Meteorcomm 54505003-01 Packet Data Radio Transceiver - Fixed or Mobile User Manual

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545C Operations Manual

Document Revision: 1.0

Document Number: 00001789-A

545C Operations Manual

02/10/2012 Prerelease DCN 00001789-A

Meteorcomm® and ITCNet® are registered trademarks of Meteorcomm LLC and may not be used without

express written permission of Meteorcomm LLC. By downloading, using, or referring to this document or any of

the information contained herein, you acknowledge and agree:

Ownership

This document and the information contained herein are the sole and exclusive property of Meteorcomm LLC

(“MCC”). Except for a limited review right, you obtain no rights in or to the document, its contents, or any

related intellectual property. MCC may, upon written notice, terminate your internal review of this document

and, upon such notice, you will return the original of this document to MCC together with the originals and all

copies of all documents in your possession or under your control that refer or relate to it.

Limited Use and Non-Disclosure

This document contains information that is considered proprietary to MCC. It is protected by copyright, trade

secret, and other applicable laws. This document may not be transmitted, distributed, duplicated, or used,

including, without limitation, the information contained herein, in whole or in part, except as agreed under

separate written agreement with MCC.

Disclaimer of Warranty

This document and all information contained herein or otherwise provided by MCC, and all intellectual property

rights therein, are provided on an “as is” basis. MCC makes no warranties of any kind with respect thereto and

expressly disclaims all warranties of any kind, whether express, implied, or statutory, including but not limited

to warranties of merchantability, fitness for a particular purpose, title, non-infringement, accuracy,

completeness, interference with quiet enjoyment, system integration, or warranties arising from course of

dealing and usage of trade practice.

Assumption of Risk

You are responsible for conducting your own independent assessment of the information contained in this

document (including without limitation schematic symbols, footprints, and layer definitions) and for confirming

its accuracy. You may not rely on the information contained herein, and you agree to validate all such

information by using your own technical experts. Accordingly, you agree to assume sole responsibility for your

review, use of, or reliance on the information contained in this document. MCC assumes no responsibility for,

and you unconditionally and irrevocably release and discharge MCC and its affiliates and their respective

officers, directors, and employees (“MCC Parties”) from, any and all loss, claim, damage, or other liability

associated with or arising from your use of any of the information contained in this document.

Limitation of Liability

In no event shall MCC or the MCC parties be liable for any indirect, incidental, exemplary, special, punitive or

treble, or consequential damages or losses, whether such liability is based on contract, warranty, tort

(including negligence), product liability, or otherwise, regardless as to whether they have notice as to any such

claims.

Hazardous Uses

None of the information contained in this document may be used in connection with the design, manufacture,

or use of any equipment or software intended for use in any fail-safe applications; or any other application

where a failure may result in loss of human life, or personal injury, property damage or have a financial impact;

or in connection with any nuclear facility or activity; or shipment or handling of any hazardous, ultra-

hazardous, or similar materials (“Hazardous Uses”). MCC disclaims all liability of every kind for any Hazardous

Uses, and you release MCC and the MCC Parties from, and shall indemnify MCC and the MCC Parties against,

any such liability, including, but not limited to, any such liability arising from MCC’s negligence.Document

Number: 00001789-A

545C Operations Manual

02/10/2012 Prerelease DCN 00001789-A

Revision History

Revision

Date Description

1.0

/2012

Legacy document formatted in 2012 template

545C Operations Manual

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Table of Contents

Acronyms ......................................................................................... viii

1. Introduction .................................................................................. 1

1.1 FleetTrak™ Network ................................................................ 3

1.2 Manual Organization ................................................................ 4

1.3 Related Documents ................................................................. 5

2. RF Safety and Regulatory Information ................................................... 5

2.1 Limiting RF Exposure ............................................................... 5

2.2 RF Interference to Residential Receivers ........................................ 6

2.3 Equipment Modifications ........................................................... 7

3. Description ................................................................................... 7

3.1 General ............................................................................... 7

3.2 Printed Circuit Board Assemblies ............................................... 11

3.2.1 Microprocessor ............................................................. 11

3.2.2 Transceiver ................................................................. 11

3.2.3 Power Amplifier ........................................................... 11

3.3 Microprocessor ..................................................................... 12

3.4 Transceiver ......................................................................... 14

3.5 Pre-Amp, Final Power Amp, and Power Control .............................. 15

3.6 Detailed Specifications ........................................................... 16

3.7 Memory Organization ............................................................. 18

3.7.1 Program Memory (PM) .................................................... 18

3.7.2 Parameter Memory (CPM) ................................................ 18

3.7.3 Data Memory (RAM) ....................................................... 18

3.8 Front Panel LEDs .................................................................. 19

4. INSTALLATION .............................................................................. 20

4.1 Site Selection ...................................................................... 20

4.1.1 External Noise/Interference ............................................. 20

4.1.2 DC Power Source .......................................................... 22

4.1.3 Horizon Angle .............................................................. 23

4.1.4 Antenna Selection ......................................................... 23

4.1.5 Antenna Height ............................................................ 25

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4.1.6 Human Exposure To Radio Frequency Electromagnetic Fields ..... 26

4.2 Equipment Installation ........................................................... 26

4.2.1 Mobile Applications ....................................................... 26

4.2.2 Data Collection Applications ............................................ 27

4.2.3 Cable Connections ........................................................ 28

4.3 Power-Up Sequence ............................................................... 34

4.3.1 Operator Terminal ........................................................ 34

4.3.2 Power Connection ......................................................... 34

4.3.3 Initialization Procedures ................................................. 35

4.4 Operational Test Procedure ..................................................... 39

4.4.1 RF Test 39

5. OPERATIONS ................................................................................ 41

5.1 Getting Started .................................................................... 41

5.1.1 XTermW Terminal Emulator ............................................. 41

5.1.2 HELP Command ............................................................ 42

5.1.3 Role-Based Operations ................................................... 42

5.1.4 Unit Identification and Factory Settings ............................... 45

5.1.5 System Time and Date ................................................... 46

5.1.6 System Memory ............................................................ 47

5.2 Station Configuration ............................................................. 49

5.2.1 Configuring the MCC-545C ............................................... 50

5.2.2 Setting frequencies ....................................................... 51

5.2.3 Remote holdoff settings .................................................. 53

5.2.4 Power turn on options .................................................... 53

5.2.5 MCC-545C command schedule list ...................................... 54

5.2.6 Setting Timeout Duration ................................................ 55

5.2.7 Script Files 56

5.2.8 CPU Power Mode .......................................................... 56

5.2.9 Network Configuration ................................................... 57

5.3 Sending and Receiving Messages ................................................ 64

5.3.1 Entering and Deleting Messages ......................................... 66

5.3.2 Editing Messages .......................................................... 68

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5.3.3 Sending Messages ......................................................... 68

5.3.4 Sending Commands ....................................................... 69

5.3.5 Sending Canned Messages ................................................ 70

5.3.6 Receiving Messages ....................................................... 71

5.3.7 Examining Message Status ............................................... 72

5.3.8 Examining and Revising Message Queues .............................. 72

5.4 GPS Position Reporting ........................................................... 73

5.4.1 Position Reporting Commands ........................................... 74

5.4.2 Differential GPS ........................................................... 75

5.4.3 GPS Report Formats ...................................................... 75

5.4.4 GPS Receiver Setup ....................................................... 77

5.4.5 Position Reporting in Subnets ........................................... 77

5.5 Supervisory Control and Data Acquisition ..................................... 78

5.5.1 Sensor Port ................................................................. 78

5.5.2 External Data Loggers .................................................... 81

5.5.3 Direct Mode Protocol ..................................................... 81

5.5.4 Defining Data Relays ...................................................... 87

5.5.5 I/O Port PASSTHRU ........................................................ 88

5.5.6 Internal Sensor Values .................................................... 89

5.5.7 Generic Data Logger ...................................................... 89

5.6 Event Programming ............................................................... 98

5.6.1 Event Programming Overview ........................................... 99

5.6.2 Event Definition .......................................................... 100

5.6.3 Action Definition ......................................................... 103

5.6.4 Programming in Real-Time ............................................. 104

5.6.5 Event Programming Command Summary ............................. 106

5.6.6 Event Programming Command Details ................................ 107

5.6.7 Action Details ............................................................. 116

5.6.8 Reading Internal Sensor Values ........................................ 118

5.6.9 Common Command Parameters ........................................ 118

5.6.10 ADC Channel Names ..................................................... 120

5.7 Command Summary .............................................................. 121

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Appendices ................................................................................ 191

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Table of Figures

Figure 1: MCC 545C Packet Data Radio ........................................ 2

Figure 2: FleetTrak™ network diagram ........................................ 3

Figure 3: MCC-545C outline drawing ........................................... 9

Figure 4:Exploded view of the MCC-545C ................................... 10

Figure 5:MCC-545C block diagram ............................................ 13

Figure 6: MCC-545C front panel LEDs ........................................ 19

Figure 7: Single dipole antenna ............................................... 24

Figure 8: 3-Element YAGI antenna ........................................... 24

Figure 9: Remote station antenna height for meteor burst .............. 25

Figure 10: Typical remote station with 3-element YAGI antenna ....... 27

Figure 11: MCC-545C cable connections ..................................... 28

Figure 12: MCC-545C power connector pins ................................ 29

Figure 13: MCC-545C I/O port cable ......................................... 30

Figure 14: Message flow and associated commands ....................... 65

Figure 15: Position report formats ........................................... 76

Figure 16: Event programming block diagram .............................. 99

Table of Tables

Table 1:MCC-545C general specifications ................................... 16

Table 2:MCC-545C receiver specifications .................................. 16

Table 3: MCC-545C transmitter specifications.............................. 17

Table 4:MCC-545C microprocessor specifications .......................... 17

Table 5: CO-AX cable loss (50 MHz) .......................................... 25

Table 6: Role-based operations ............................................... 43

Table 7: MCC-545C commands ............................................... 121

Acronyms

A/D

Analog

Digital

ACK

Acknowledgement

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ADC

Analog

Digital Converter

AUX

Auxiliary Port

AVL

Automatic Vehicle Location

BPSK

Binary Phase Shift Keying

Carriage Return

CSMA

Carrier Sense Multiple Access

DAC

Digital

Analog Converter

DMC

Data, Management and Control

DSP

Digital Signal Processing

DTA

Data Port

ELOS

Extended

Line

Sight

ETE

End

End Acknowledgement

GMSK

Gausian Minimum Shift Keying

GPS

Global Positioning System

KBPS

Kilo (1,000) bits per seconds

LED

Light Emitting Diode

LOS

Line

Sight

MBC

Meteor Burst Communication

MBCS

Meteor Burst Communication

System

MCC

Meteor Communications Corporation

MNT

Maintenance Port

NMEA

National Marine Electronic Association

Personal Computer

PCA

Printed Circuit Assembly

PCB

Printed Circuit Board

RAM

Random Access Memory

Radio Frequency

RTCM

Radio Technical

Commission for Maritime Services

Receive

SCADA

Supervisory Control and Data Acquisition

SDATA

Sensor Data

SNP

System Network Parameter

SPDT

Single Pole Double Throw

TDMA

Time Division Multiple Access

Transmit

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UPDT

Update

UTC

Universal Time

Clock

VSWR

Voltage Standing Wave Ratio

XTermW

Terminal Emulator

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1. Introduction

This manual outlines the operation of the MCC-545C Packet Data Radio

through software revision 6.87.

The MCC-545C Packet Data Radio is used in MCC’s FleetTrak™ network.

This chapter briefly describes this network application; refer also to

Appendix F for a complete discussion of MCC Network Interoperability.

In addition to information and instructions for line of sight applications,

this manual also contains information regarding meteor burst master

and remote station installation and refers to antennas used in those

installations that apply to use of the MCC-545B or other MCC models.

Please refer to the tables in the MCC-545C RF Energy Exposure Guide

for lists of antenna types suitable for use in vertically-polarized line

of sight applications of the MCC-545C.

Each MCC-545C features rugged construction and is packaged in a

stainless steel, weather-resistant enclosure that measures 10.6"L x

4.0"W x 2.42"H and weighs 3.5 pounds, as shown in Figure 1.1.

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Figure 1: MCC 545C Packet Data Radio

The MCC-545C radio is frequency synthesized and uses a GMSK

modulation scheme with selectable data rates, as shown below.

Model No.

Modulation

Data rate

MCC-545C

GMSK

9.6 kbps

The MCC-545C has an embedded 32-bit controller for managing all the

network functions associated with a packet switched data network and

for interfacing to a variety of peripheral devices. In addition, it has a

built-in test capability that automatically monitors the operating

integrity of the unit at all times. This feature also eliminates the need

for any special test equipment during the installation phase. A laptop,

palmtop, or equivalent is required to initialize and operate the MCC-

545C packet radio.

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1.1 FleetTrak™ Network

The FleetTrak™ network is used for applications that require the

position of mobile resources to be reported in real-time and at varying

update rates. The FleetTrak network is shown in Figure 1.2.

Figure 2: FleetTrak™ network diagram

The FleetTrak™ network is comprised of Base Stations, Repeaters, and

Remote Stations. The MCC-545C can be programmed to operate as any

of these three distinct station types. The FleetTrak™ network is used for

position reporting in mobile applications (AVL), fixed site data

collection (SCADA), and messaging.

The FleetTrak™ network operates line-of-sight using groundwave and

uses an LOS protocol for channel access. In an LOS network, there is

always an RF connection path between adjacent stations, and stations

transmit data whenever they have something to send. These

transmissions use CSMA (carrier sense multiple access) to gain channel

access and to prevent RF signal collisions.

The range of communication by groundwave is primarily determined by

diffraction around the curvature of the earth, atmospheric diffraction,

and tropospheric propagation. These ranges are successfully extended

by MCC from 50-100 miles through the use of robust protocols, sensitive

receivers, and short packetized messages.

CLIENT’S

OFFICES

DATA

NETWORK

DATA CENTER

HOST

CLIENT’S

OFFICES

BASE STATION

REMOTE STATION (FIXED OR MOBILE)

REPEATER STATION

M B

MMM

R B

ELOS RF NETWORK

OTHER

CLIENTS

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1.2 Manual Organization

There are 5 major sections in this manual, plus a number of appendices:

Section 2.0 RF Safety and Regulatory Information

This section provides important information regarding antenna

installations and means to safely limit exposure to RF radiation.

Section 3.0 Description

This section provides both a physical description and a functional

description of each module in an MCC-545C. The detailed technical

specifications are provided for each printed circuit board assembly

(PCA), as well as the organization of the unit’s computer memory.

Section 4.0 Installation

This section covers site selection and general installation guidelines,

including instructions for cabling, antenna and power source

connections. Power up procedures, initialization and functional test

procedures are described that should be performed prior to placing the

MCC-545C on-line within the network.

Section 5.0 Operation

This section describes all the operating procedures for the MCC-545C.

All commands and operational parameters are described for data

collection, supervisory control, messaging, and interpreting system

operational statistics. It also contains a list of all MCC-545C commands.

Appendices include:

Appendix A Command Printouts

Appendix B Factory Default Parameters

Appendix C Loading a Script File

Appendix D Programming an Event

Appendix E MCC Hardware and Sample Part Numbers

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Appendix F

1.3

Related Documents

Additional documents and application notes that may be helpful in the

operation of a MCC

-54

5C Packet Data Radio are given below

documents (and more recent updates, if available), can be obtained

from MCC or downloaded from MCC’s web site, www.meteorcomm.com.

Operation of the

XTermW

Terminal Emulation Program for

Windows, Octob

er 22, 1999

Data Monitor and Control, DMC 6.313, Users Manual, January

–

a complete list of all commands and printouts

520B/C Master Station

– Operations of the MCC-

520B/C Meteor

Burst Communications Terminal, Rev. K,

December 2002

CR10X Data Acquisition

–

Application Note: CR10X Data Acquisition,

January 25, 2000

Wireless Data

–

MCC Wireless Data Services, EDT 11039, January 2000

RF Safety and Regulatory Information

Limiting RF Exposure

Please refer to the

MCC-545C RF Energy Exposu

re Guide

information regarding safe distances that must be maintained between

personnel and energized transmitting antennas.

The information in the

MCC-5454C

RF Energy Exposure Guide

Exposure Guide”

is determine

d from FCC and Industry Canada rules that

when followed, limit human exposure to radio frequency energy to

acceptable levels.

beying these limits will provide reasonable

both employees and the general public.

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ibute.

Interoperability With Other MCC Products

Additional documents and application notes that may be helpful in the

5C Packet Data Radio are given below

. These

documents (and more recent updates, if available), can be obtained

from MCC or downloaded from MCC’s web site, www.meteorcomm.com.

Terminal Emulation Program for

Data Monitor and Control, DMC 6.313, Users Manual, January

a complete list of all commands and printouts

520B/C Meteor

Application Note: CR10X Data Acquisition,

MCC Wireless Data Services, EDT 11039, January 2000

re Guide

for specific

information regarding safe distances that must be maintained between

RF Energy Exposure Guide

“RF

d from FCC and Industry Canada rules that

when followed, limit human exposure to radio frequency energy to

beying these limits will provide reasonable

545C Operations Manual

02/10/2012

This radio

is intended for installation and use by

full knowledge of their exposure and can exercise control over their

exposure to meet FCC and IC limits. This radio device is not intended

for use by consumers or the general population.

• Table 1 i

n the RF Exposure Guide list

distances to be maintained between the general pu

operational

transmitter antenna for

applications.

•

Table 2 in the RF Exposure Guide list

distanc

es to be maintained between

transmitter antenna for two antenna types for fixed applications.

Once the authorized ERP, antenna gain and the losses from feed line,

connectors and any inline RF f

must be evaluated and if necessary,

ensure that the authorized ERP and RF exposure requirements are met.

Example ERP calculations are provided further below.

Caution:

automatically at any time when functioning as a data

radio.

beginning any service or maintenance. Remove the

antenna and connect a dummy load during testing.

2.2 RF Interference

to Residential Receivers

NOTICE TO USER: This device complies with part 15 of the FCC Rules.

Operation is subject to the condition that this device does not cause

harmful interference.

NOTE: This equipment has been tested and found to comply with the

lim

its for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment

Prerelease

DCN

is intended for installation and use by

employees who have

full knowledge of their exposure and can exercise control over their

exposure to meet FCC and IC limits. This radio device is not intended

for use by consumers or the general population.

n the RF Exposure Guide list

the calculated lateral

distances to be maintained between the general pu

blic and an

transmitter antenna for

two antenna types

applications.

Table 2 in the RF Exposure Guide list

the calculated lateral

es to be maintained between

employees and an operational

transmitter antenna for two antenna types for fixed applications.

Once the authorized ERP, antenna gain and the losses from feed line,

connectors and any inline RF f

ilters are known, the transmitter power

must be evaluated and if necessary,

attenuated

to a value that will

ensure that the authorized ERP and RF exposure requirements are met.

Example ERP calculations are provided further below.

Caution:

Be aware that

a transmitter may operate

automatically at any time when functioning as a data

radio.

Always disable the transmitter prior to

beginning any service or maintenance. Remove the

antenna and connect a dummy load during testing.

to Residential Receivers

NOTICE TO USER: This device complies with part 15 of the FCC Rules.

Operation is subject to the condition that this device does not cause

harmful interference.

NOTE: This equipment has been tested and found to comply with the

its for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment

DCN

00001789-A

Do Not Distribute.

employees who have

full knowledge of their exposure and can exercise control over their

exposure to meet FCC and IC limits. This radio device is not intended

the calculated lateral

blic and an

r mobile

the calculated lateral

employees and an operational

transmitter antenna for two antenna types for fixed applications.

Once the authorized ERP, antenna gain and the losses from feed line,

ilters are known, the transmitter power

to a value that will

ensure that the authorized ERP and RF exposure requirements are met.

a transmitter may operate

automatically at any time when functioning as a data

Always disable the transmitter prior to

beginning any service or maintenance. Remove the

antenna and connect a dummy load during testing.

NOTICE TO USER: This device complies with part 15 of the FCC Rules.

Operation is subject to the condition that this device does not cause

NOTE: This equipment has been tested and found to comply with the

its for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment

02/10/2012

generates and can radiate radio frequency energy

and used in accordance with the instructions, may cause harmful

interference to radio communications. However, there is no guarantee

that interference will not occur in a particular installation. If this

equipment does cause harmfu

reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one or

more the following measures:

•

Reorient or relocate

• Incre

ase the separation between the equipment and receiver.

•

Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

•

Consult the dealer or an experienced radio/TV technician for help.

2.3

Equipment Modifications

Description

3.1 General

The MCC-

545C Packet

communications from fixed or mobile sites to a central Host

used for data collection, position reporting, sending and receiving

messages, or other custom applications

consumption

(<1 watt) makes it ideal for operating in remote locations

where only solar power is available.

The MCC-

545C also has a built

external data logger is not required for those installations that have less

545C Operations Manual

Prerelease

hts Reserved.

Proprietary and Confidential. Do Not Distribu

generates and can radiate radio frequency energy

and, if not installed

and used in accordance with the instructions, may cause harmful

interference to radio communications. However, there is no guarantee

that interference will not occur in a particular installation. If this

equipment does cause harmfu

l interference to radio or television

reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one or

more the following measures:

Reorient or relocate

the receiving antenna.

ase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

Equipment Modifications

Caution:

Any changes or modifications to this

equipment not expressly approved by the party

responsible for compliance (in the respective country

of use) could void the user’s authority to operate the

equipment.

Description

545C Packet

Data Radio provides packet switched

communications from fixed or mobile sites to a central Host

used for data collection, position reporting, sending and receiving

messages, or other custom applications

The unit's low standby

(<1 watt) makes it ideal for operating in remote locations

where only solar power is available.

545C also has a built

in data collection capability so that an

external data logger is not required for those installations that have less

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DCN 00001789-A

ibute.

and, if not installed

and used in accordance with the instructions, may cause harmful

interference to radio communications. However, there is no guarantee

that interference will not occur in a particular installation. If this

l interference to radio or television

reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one or

ase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from

Consult the dealer or an experienced radio/TV technician for help.

Any changes or modifications to this

equipment not expressly approved by the party

responsible for compliance (in the respective country

of use) could void the user’s authority to operate the

Data Radio provides packet switched

communications from fixed or mobile sites to a central Host

. It can be

used for data collection, position reporting, sending and receiving

The unit's low standby

-power

(<1 watt) makes it ideal for operating in remote locations

in data collection capability so that an

external data logger is not required for those installations that have less

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than 10 sensors. A special break-out cable is supplied by MCC to access

the following I/O capability:

Inputs Outputs

6 analogs

0-5V

4-20 mA (with external 250 ohm resistor)

10 bit accuracy/resolution

2 Form C

SPDT Relays

4 ON/OFF, optically isolated

1 GPS, NMEA compatible

3 RS-232 Ports

An outline drawing and an exploded view of the chassis are shown in

Figures 2.1 and 2.2.

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Figure 3: MCC-545C outline drawing

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Figure 4:Exploded view of the MCC-545C

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3.2 Printed Circuit Board Assemblies

The MCC-545C contains three printed circuit board assemblies as shown

in Figure 2.2.

3.2.1 Microprocessor

The low-power 32-bit microprocessor controller performs the radio

control, link, and network protocol functions. This assembly also

contains a digital signal processor (DSP) and digital-to-analog converter

(DAC) for generating the in-phase (I) and quadrature-phase (Q) base

band signals for generating the GMSK RF signal.

3.2.2 Transceiver

The selectable-rate transceiver uses a vector phase modulator (+13DBm

output) and frequency synthesizers to produce 9.6 kbps.

3.2.3 Power Amplifier

Note: The nominal RF power amplifier rating of the MCC-545C is 100W

or 50 dBm. The output power is calibrated at the factory at the

expected operating frequency. Measured power values may vary up to 1

dB from rated power, up to 51 dBm or 125W over the frequency range

of the radio.

The multi-stage power amplifier includes a 2 watt, 2-stage preamplifier;

a 100 watt, solid-state, 2-stage power amplifier; and a power switch.

A 12-channel GPS receiver may be mounted on the processor board as

an optional subassembly.

All components are soldered in place using surface mount technology.

As an option, the boards can be conformal coated with an acrylic

encapsulate that contains a tropicalizing, anti-fungal agent to provide

additional protection against moisture and contamination.

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3.3 Microprocessor

The microprocessor is a Motorola-based, embedded processor located

on a single PCB that contains:

• 512K x 16 of non-volatile flash memory for program storage

• 512K x 16 of non-volatile flash memory for parameter storage

• 1024K x 8 of static RAM for data storage (optionally 2048K x 8)

• 3 External RS-232 I/O ports

• Internal TTL GPS port

• Transmitter communication port

• Receiver communication port

• 10-bit 11 channel A/D converter (6 channels are available for

external sensors)

• Real-time clock

• Power fail detection circuitry

• Digital Signal Processor with D/A converters

• 6 Optically isolated digital inputs

• 2 Form C Relay Outputs with a current rating of 2 amps

All I/O ports are RS-232 compatible and can be programmed to adapt to

various customer protocols. The DATA port contains full flow control

hardware lines.

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Figure 5:MCC-545C block diagram

The A/D converter measures TX forward and reverse power, battery voltage, antenna noise voltage,

transmitter board temperature, and 6 channels of 0-5V external sensor inputs. In –03 or later versions the

internal nickel metal hydride battery (3.6V) can also be read.

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An internal lithium ion battery is used to maintain the internal real time

clock and battery backed RAM. This battery operates the clock in a

power down state for a period of approximately 6 months. This battery

should be removed if the unit is stored for extended periods of time.

In -03 or later versions of the units, the lithium ion battery has been

replaced with a rechargeable nickel metal hydride battery. This battery

is located at the rear of the unit with Velcro. (You have to open the

rear lid to get access to it.) A short jumper is used to connect the

battery to the processor board. This jumper should be removed if the

unit is stored for long periods of time (longer than 2 months). The

battery must be connected before the unit will start operating.

3.4 Transceiver

The transceiver assembly contains a receiver, transmit and receive

frequency synthesizers, and a modulator. The MCC-545C receiver and

modulator support 9.6 kbps Gaussian Minimum Shift Keying (GMSK).

GMSK Receiver

• Input bandpass filter (37-50 MHz )

• RF amplifier (17 dB)

• Low pass image filter (Fc=50 MHz)

• Mixer

• IF amplifiers and filters (10.7 MHz)

• Noise blanker

• Mixer, 2nd IF filter and amplifier (100 kHz), and RSSI circuit

• Phase lock loop frequency discriminator

• GMSK bit detector and clock generator

Synthesizer (1st and 2nd local oscillator and transmit oscillator)

• Reference Oscillator (12.8 MHz +/- 2.5 PPM)

• Tx phase lock loop (74-100 MHz output, 20 kHz steps)

(86-92 MHz, 20 kHz steps in FCC ID: BIB54505003-01)

• A divide by 2 circuit (37-50 MHz output, 10 kHz steps)

(43-46 MHz, 10 kHz steps in FCC ID: BIB54505003-01)

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• Rx 1st local oscillator phase lock loop (47.7-60.7 MHz output, 10

kHz steps limited to 53.7 – 56.7 MHz in FCC ID: BIB54505003-01)

• Rx 2nd local oscillator phase lock loop (10.6 MHz)

• PIC Microcontroller

GMSK Modulator

• DSP digital baseband GMSK generator

• I and Q DACs

• I/Q Vector Phase Modulator (GMSK)

• Pre amplifier (+13 dBm output)

All components are mounted on an 8.5" by 3.5" two-sided printed circuit

board. All components are surface mounted.

3.5 Pre-Amp, Final Power Amp, and Power Control

This board contains two low-level amplifiers that amplify the +13 dBm

(10 mW) signal from the modulator to the 2 watts required by the final

power amplifier. A special power switch is used to control the rise and

fall times of the RF power output. A duty cycle limiter circuit limits the

duty cycle of the power amplifier to 16%. A temperature sensor is also

located on this board for monitoring the internal temperature of the

MCC-545C. This temperature reading may be transmitted to the Host for

maintenance purposes.

The 100 watt power amplifier is mounted inside an aluminum enclosure

to provide RF shielding between the low level phase lock loop

synthesizers and the high power output. This board contains a T/R

switch for half-duplex operation, a harmonic low pass filter, and a dual

directional coupler for power level control. The coupler measures

forward and reverse power. If the VSWR exceeds 3.0:1 the power

amplifier automatically shuts down. The power amplifier’s parameters

are also transmitted to the Host for maintenance purposes.

A switching regulator power supply provides 5.7 volts for the processor

and transceiver boards.

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3.6 Detailed Specifications

The detailed specifications for each of the printed circuit board

assemblies are given in Tables 2.1 through 2.4.

Table 1:MCC-545C general specifications

Characteristic Specification

Dimensions

10.6"L x 4.0"W x 2.42"H

Weight

3.5 lbs.

Temperature Range

to 60

C (

to 140

Power Requirements

12 V

Nominal (10

14 V

)

Standby: 80 ma (Continuous)

Transmit: 25 Amps Nominal (100 msec)

Table 2:MCC-545C receiver specifications

Characteristic Specification

Frequency

50 MHz

or 43

46 MHz

Synthesized 10 kHz steps

Frequency accuracy, calibrated: ±1ppm

Frequency stability: ±5ppm -30°to +60°C

Modulation: Type

Rate

Format

GMSK

9.6 kbps

NRZ

Noise Figure

≤

Sensitivity: Bit Error Rate < 10

at 9.6

kbps

≤

114

dBm

IF Bandwidth (3/80 dB)

13/40 kHz typical

RF Bandwidth (3 dB)

13 MHz typical

Signal Acquisition Time

< 5 ms

Order Intercept Point

4 dBm

Image Response Attenuation

> 70 dB minimum

Spurious Response Attenuation

> 70 dB minimum

SP Threshold

Adjustable from

–

115 to

–

106 dBm

Triggered by DET RF and Demodulator

Lock

Noise Blanker

> 20 dB Reduction in Impulse Noise

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I/O

MCC Standard (Refer to Section 3.2.3)

Table 3: MCC-545C transmitter specifications

Characteristic Specification

Frequency

50 MHz (FCC ID: BIB54505001

01)

43-46 MHz (FCC ID: BIB54505003-01)

Synthesized 10 kHz steps

Frequency accuracy, calibrated: ±1 ppm

Frequency stability: ±5 ppm -30 to +60C

RF Power Output, Nominal

100 Watts into 50 ohms

at 12 V

Input

Load VSWR

< 2:1 Rated Power

Harmonic and Spurious Levels

70 dB

TIA

603C

Modulation: Type

Rate

Format

GMSK

9.6 kbps

NRZ

Spurious

> 70 dB

TIA

603C

Transmit Modulation Spectrum

TIA

603C (FCC

Mask C

–

20 kHz channels)

Tx Duty Cycle Firmware limit:

Hardware limit:

10% max averaged over 5 minutes

RF PA self-limits at > 16% in one minute

T/R Switch

Solid

State

Switching Time < 100 microseconds

I/O

MCC

Standard (Refer to Section 3.2.3)

High VSWR Protection

Withstands Infinite VSWR

Table 4:MCC-545C microprocessor specifications

Characteristic Specification

Main Processor

Motorola MC68332FC 32

bit Embedded

Controller

Memory: Program Storage

Parameter Storage

Data Storage

512K x 16 non

volatile Flash memory

512K x 16 non-volatile Flash memory

1024K x 8 static RAM (optional 2048K x

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Switches: SW1

System Reset, Momentary

3.7 Memory Organization

The MCC-545C has three types of memory:

3.7.1 Program Memory (PM)

The Program memory is non-volatile Flash (512K x 16). It contains the

MBNET200 image software, bootstrap, configuration, and application

software. These programs are installed at the MCC facilities at the time

of shipment. The information stored in the Program memory is referred

to as “factory defaults”.

3.7.2 Parameter Memory (CPM)

The Parameter memory is non-volatile Flash (512K x 16). It contains the

configuration data for the unit such as the customer number, the serial

number and ID of the MCC-545C, and the authorized FCC frequencies it

may use. This information is normally programmed into the unit prior to

shipment. The Script files are also stored in Parameter memory, either

at the MCC facilities or on site.

3.7.3 Data Memory (RAM)

The Data memory is volatile RAM (1024K x 8) and has battery backup.

Date, time, executable programs, command parameters, and program

dynamic data (messages, data, position, etc.) are all stored in RAM

during normal operations. As an option, the Data memory may be

expanded to 2048K x 8.

During normal operation, the MCC-545C software uses the data and

configuration parameters stored in RAM. If the data information in RAM

is lost or corrupted, for whatever reason, the configuration parameters

can be retrieved from Parameter memory. This ensures uninterrupted

operation.

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The RAM contents will be lost under the following conditions:

• The Boot command is issued.

• The Reset button (SW1) is depressed. (Remove the rear panel to

locate SW 1.)

• The internal backup battery fails or is disconnected. (In -02 units,

remove jumper JP1 while the external power is turned off to the

unit. In -03 or later units, remove connector J1.)

• The watchdog timer initiates a restart.

The software will detect these events and will recopy the parameters

and configuration values from Parameter memory back into RAM when

operation is resumed.

If the contents of Parameter memory become invalid the unit will revert

to the factory defaults in Program memory.

3.8 Front Panel LEDs

The two LEDs on the front panel provide the operator with a quick

assessment of the unit’s operational status.

Figure 6: MCC-545C front panel LEDs

LED COLOR STATUS

Green; flashes every 5 seconds

Power is on and the processor is running

ON LED

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Yellow; flashes during

transmission

Red; flashes during transmission

Off

Transmit power is normal and VSWR is below

3.0:1

Transmit power is normal but VSWR is

greater than 3.0:1

Transmit power is off or below normal

4. INSTALLATION

Site selection and general installation guidelines are provided in this

section, including instructions for cabling, antenna and power source

connections. Power up procedures, initialization and functional test

procedures are described that should be performed prior to placing the

MCC-545C on-line within the network.

4.1 Site Selection

There are 5 important factors to consider in selecting an optimum site:

1. External noise/interference

2. DC power source

3. Horizon angle

4. Antenna type

5. Antenna height

4.1.1 External Noise/Interference

Noise and signal interference can reduce the performance of the MCC-

545C. The most common sources of noise and interference are as

follows:

• Cosmic Noise

• Power Line Noise

• Automobile Ignition Noise

• Computer-Generated Interference

• External Signal Interference

02/10/2012

Cosmic Noise

Cosmic noise is the limiting noise factor in a meteor burst system

noise is generated by star systems in the galaxy and is frequency

dependent.

The noise is approximat

and 13 dB above thermal at 50 MHz

the highest when the antennas are pointed directly at the center of the

galaxy and lowest when they are pointed at right angles to it

variations of 3 to 4 dB can be expected

one that is limited only by cosmic noise.

Power Line Noise

One of the main sources of man

Noise on these lines is generated by high voltage bre

on power line hardware such as transformers and insulators

can be seen with an oscilloscope at the Receiver IF test point as a series

of spikes that occur every 8 msec (1/60 Hz) or every 10 msec (1/50 Hz)

The level of the spik

floor.

The number of spikes can vary, depending upon the level of

interference, from one or two every 8

8-10 msec.

The impulse noise blanker in the MCC

mount of this type of noise

increase, the effectiveness of the blanker is reduced

site always, check the IF test point with a scope to determine the level

of the power line noise interference

noise be avoided for an optimum site

well away from power lines.

Note

power lines to reduce noise. Call the local utility in case of severe

noise.

Automobile Ignition Noise

Automobile ignition noise is generated by all gasoline engines and is a

result of the high voltage required to fire the spark plugs

noise is similar to power line noise, with the exception that it does not

have the regular 8

Computer-

Generated Interference

545C Operations Manual

Prerelease

hts Reserved.

Proprietary and Confidential. Do Not Distribu

Cosmic noise is the limiting noise factor in a meteor burst system

noise is generated by star systems in the galaxy and is frequency

The noise is approximat

ely 15 dB above thermal at 40 MHz

and 13 dB above thermal at 50 MHz

This noise is diurnal in nature

the highest when the antennas are pointed directly at the center of the

galaxy and lowest when they are pointed at right angles to it

variations of 3 to 4 dB can be expected

An optimal meteor burst site is

one that is limited only by cosmic noise.

Power Line Noise

One of the main sources of man

made noise is high voltage power lines

Noise on these lines is generated by high voltage bre

akdown occurring

on power line hardware such as transformers and insulators

can be seen with an oscilloscope at the Receiver IF test point as a series

of spikes that occur every 8 msec (1/60 Hz) or every 10 msec (1/50 Hz)

The level of the spik

es is much higher than the normal background noise

The number of spikes can vary, depending upon the level of

interference, from one or two every 8

10 msec to several dozen every

The impulse noise blanker in the MCC

545C removes a large

mount of this type of noise

However, as the number of spikes

increase, the effectiveness of the blanker is reduced

When setting up a

site always, check the IF test point with a scope to determine the level

of the power line noise interference

. It is mand

atory that power line

noise be avoided for an optimum site

Try to place the receiver antenna

well away from power lines.

Note

Power companies are required to properly maintain their

power lines to reduce noise. Call the local utility in case of severe

noise.

Automobile Ignition Noise

Automobile ignition noise is generated by all gasoline engines and is a

result of the high voltage required to fire the spark plugs

noise is similar to power line noise, with the exception that it does not

have the regular 8

10 msec period associated with power line noise.

Generated Interference

545C Operations Manual

DCN 00001789-A

ibute.

Cosmic noise is the limiting noise factor in a meteor burst system

. This

noise is generated by star systems in the galaxy and is frequency

ely 15 dB above thermal at 40 MHz

This noise is diurnal in nature

. It is

the highest when the antennas are pointed directly at the center of the

galaxy and lowest when they are pointed at right angles to it

. Daily

An optimal meteor burst site is

made noise is high voltage power lines

akdown occurring

on power line hardware such as transformers and insulators

. This noise

can be seen with an oscilloscope at the Receiver IF test point as a series

of spikes that occur every 8 msec (1/60 Hz) or every 10 msec (1/50 Hz)

es is much higher than the normal background noise

The number of spikes can vary, depending upon the level of

10 msec to several dozen every

545C removes a large

However, as the number of spikes

When setting up a

site always, check the IF test point with a scope to determine the level

atory that power line

Try to place the receiver antenna

Power companies are required to properly maintain their

power lines to reduce noise. Call the local utility in case of severe

Automobile ignition noise is generated by all gasoline engines and is a

Auto ignition

noise is similar to power line noise, with the exception that it does not

10 msec period associated with power line noise.

545C Operations Manual

02/10/2012

All computers and printers contain high

spurious signals throughout the 37

if any of these signals couple into the antenna at the MCC

frequency.

To minimize this type of interference, try to keep the

antenna away from computers by at least 100

noise blanker does not suppress computer

External Signal Interference

This type of interference occurs whenever another transmitter produces

harmonics at the receiver center frequency of the MCC

lling and spatial separation can be used to reduce this type on

interference.

Note:

With XTermW installed (see Section 3.3), the STAT

command can be used to determine the site antenna noise levels.

Ideally, the background noise levels should be less than

4.1.2

DC Power Source

The MCC-

545C requires a 12 VDC power source

current is about 80 mA

amps for 100 msec

the average current requ

without GPS option) when operating at a normal duty cycle of 10%

automobile battery provides an excellent power source.

If there is no AC power available, a solar panel can be used to charge

the battery. The

size of the solar panel is determined by the solar

radiation available at the location of the site

USA, a 30 watt solar panel will suffice

winter temperatures are below freezing, a larger panel will ha

used.

Consult MCC or contact the solar panel manufacturer to perform

this calculation for you and make a recommendation.

The power cable between the battery and the MCC

shorter than 10 feet and rated at #14 AWG or lower

3.2.3.1 for more details.)

Prerelease

DCN

All computers and printers contain high

speed circuits that generat

spurious signals throughout the 37

-50 MHz band.

Interference can result

if any of these signals couple into the antenna at the MCC

545C receive

To minimize this type of interference, try to keep the

antenna away from computers by at least 100

feet. The MCC

noise blanker does not suppress computer

generated interference.

External Signal Interference

This type of interference occurs whenever another transmitter produces

harmonics at the receiver center frequency of the MCC

-545C

lling and spatial separation can be used to reduce this type on

With XTermW installed (see Section 3.3), the STAT

command can be used to determine the site antenna noise levels.

Ideally, the background noise levels should be less than

DC Power Source

545C requires a 12 VDC power source

The average standby

current is about 80 mA

When the unit transmits it requires about 25

amps for 100 msec

For normal operation, including transmission time,

the average current requ

irement will be approximately 125 mA (80 mA

without GPS option) when operating at a normal duty cycle of 10%

automobile battery provides an excellent power source.

If there is no AC power available, a solar panel can be used to charge

size of the solar panel is determined by the solar

radiation available at the location of the site

In most locations in the

USA, a 30 watt solar panel will suffice

At higher elevations, where

winter temperatures are below freezing, a larger panel will ha

Consult MCC or contact the solar panel manufacturer to perform

this calculation for you and make a recommendation.

The power cable between the battery and the MCC

545C should be kept

shorter than 10 feet and rated at #14 AWG or lower

. (See S

ection

3.2.3.1 for more details.)

DCN

00001789-A

Do Not Distribute.

speed circuits that generat

Interference can result

545C receive

To minimize this type of interference, try to keep the

545C’s

generated interference.

This type of interference occurs whenever another transmitter produces

Antenna

lling and spatial separation can be used to reduce this type on

With XTermW installed (see Section 3.3), the STAT

command can be used to determine the site antenna noise levels.

Ideally, the background noise levels should be less than

–115 dBm.

The average standby

When the unit transmits it requires about 25

For normal operation, including transmission time,

irement will be approximately 125 mA (80 mA

without GPS option) when operating at a normal duty cycle of 10%

. An

If there is no AC power available, a solar panel can be used to charge

size of the solar panel is determined by the solar

In most locations in the

At higher elevations, where

winter temperatures are below freezing, a larger panel will ha

ve to be

Consult MCC or contact the solar panel manufacturer to perform

545C should be kept

ection

02/10/2012

Caution

consideration should be given to installing an external fuse

between the battery and MCC

4.1.3

Horizon Angle

To obtain maximum performance, the Remote Station

on level, flat ground to provide a good ground plane

ground plane can reduce link performance by a factor of two

Furthermore, the terrain in front of the antenna must be free of

buildings, bridges, and other obstructions

times the height of the antenna

present a problem if they are kept at least 20 feet (6 meters) from any

of the antenna elements.

The antenna generally does not require a tilt angle and can be mou

parallel to the ground

and obstructions exceeding 5

advantageous

recommendations.

4.1.4

Antenna Selection

Ante

nna selection depends on the type of network in which the MCC

545C is operating.

Vertical polarization is used in the FleetTrak

omnidirectional coverage to all adjacent nodes in the network

choice for a base station antenna is

two sides of a triangular tower

a data collection site.

Horizontal polarization is normally used in a Meteor Burst network

simplest antenna to use is a dipole, as shown in Figure

Yagi antenna (Figure 3.2) can provide an improvement in performance

by a factor from 2 to 4, depending on the number of elements used.

545C Operations Manual

Prerelease

hts Reserved.

Proprietary and Confidential. Do Not Distribu

Caution

: The MCC-

545C does not have an internal fuse and

consideration should be given to installing an external fuse

between the battery and MCC

-545C.

Horizon Angle

To obtain maximum performance, the Remote Station

must be installed

on level, flat ground to provide a good ground plane

Lack of a good

ground plane can reduce link performance by a factor of two

Furthermore, the terrain in front of the antenna must be free of

buildings, bridges, and other obstructions

for a distance at least 30

times the height of the antenna

Trees and other shrubbery do not

present a problem if they are kept at least 20 feet (6 meters) from any

of the antenna elements.

The antenna generally does not require a tilt angle and can be mou

parallel to the ground

In the case of very short ranges (200

and obstructions exceeding 5

 from horizontal, a tilt angle may be

Please consult MCC’s engineering department for specific

recommendations.

Antenna Selection

nna selection depends on the type of network in which the MCC

545C is operating.

Vertical polarization is used in the FleetTrak

network to provide

omnidirectional coverage to all adjacent nodes in the network

choice for a base station antenna is

dual-

stacked dipoles mounted on

two sides of a triangular tower

A 10' whip is a good antenna choice for

a data collection site.

Horizontal polarization is normally used in a Meteor Burst network

simplest antenna to use is a dipole, as shown in Figure

3.1; however, a

Yagi antenna (Figure 3.2) can provide an improvement in performance

by a factor from 2 to 4, depending on the number of elements used.

545C Operations Manual

DCN 00001789-A

ibute.

545C does not have an internal fuse and

consideration should be given to installing an external fuse

must be installed

Lack of a good

ground plane can reduce link performance by a factor of two

Furthermore, the terrain in front of the antenna must be free of

for a distance at least 30

Trees and other shrubbery do not

present a problem if they are kept at least 20 feet (6 meters) from any

The antenna generally does not require a tilt angle and can be mou

nted

In the case of very short ranges (200

-300 miles),

 from horizontal, a tilt angle may be

Please consult MCC’s engineering department for specific

nna selection depends on the type of network in which the MCC

network to provide

omnidirectional coverage to all adjacent nodes in the network

. A good

stacked dipoles mounted on

A 10' whip is a good antenna choice for

Horizontal polarization is normally used in a Meteor Burst network

. The

3.1; however, a

Yagi antenna (Figure 3.2) can provide an improvement in performance

by a factor from 2 to 4, depending on the number of elements used.

545C Operations Manual

02/10/2012

Figure 7

: Single dipole antenna

Figure 8: 3-

Element YAGI antenna

The information bandwidth of the system is less than 25 kHz, therefore,

a very narrow bandwidth antenna may be used when operating on a

single frequency.

In a two

antenna

must be wide enough to accommodate both frequencies

antenna must provide a 50 ohm load

frequencies are used: TX = 45.90 MHz and RX = 44.20 MHz

Bandwidth of the antenna used is 1.7 MHz.

Always consult with MCC’s en

any questions arise with respect to antenna selection.

Assembly instructions are included with each antenna

these for proper assembly for all antenna elements.

Prerelease

DCN

: Single dipole antenna

Element YAGI antenna

The information bandwidth of the system is less than 25 kHz, therefore,

a very narrow bandwidth antenna may be used when operating on a

In a two

frequency network the bandwidth of the

must be wide enough to accommodate both frequencies

antenna must provide a 50 ohm load

In the U.S. CONUS Network, two

frequencies are used: TX = 45.90 MHz and RX = 44.20 MHz

The

Bandwidth of the antenna used is 1.7 MHz.

Always consult with MCC’s en

gineering department for assistance when

any questions arise with respect to antenna selection.

Assembly instructions are included with each antenna

Please refer to

these for proper assembly for all antenna elements.

DCN

00001789-A

Do Not Distribute.

The information bandwidth of the system is less than 25 kHz, therefore,

a very narrow bandwidth antenna may be used when operating on a

frequency network the bandwidth of the

must be wide enough to accommodate both frequencies

. The

In the U.S. CONUS Network, two

The

gineering department for assistance when

Please refer to

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4.1.5 Antenna Height

The height of the antenna should be optimized as a function of the

distance between the Remote Station and the Master Station. A plot of

optimum antenna height versus range is shown in Figure 3.3.

Figure 9: Remote station antenna height for meteor burst

The antenna cable length must be kept as short as possible to minimize

line losses. Try to maintain a line loss between the antenna and the

MCC-545C to less than 2 dB.

A table of cable loss (at 50 MHz) for various types of co-ax cables is

given in Table 3.1 for reference.

Table 5: CO-AX cable loss (50 MHz)

Cable Type Loss/100 feet

(dB)

Diameter

(Inches)

Weight/100 feet

(lbs.)

RG 223, RG 58

3.0

.211

3.4

RG 214, RG 8

1.8

.425

12.6

RG 17

1.2

.870

20.1

LDF4A-50 1/2 inch heliax

.48

.500

15.0

LDF5A-50 7/8 inch heliax

.26

.875

33.0

100

150

200

250

300

350

400

450

500

550

600

650

700

750

800

850

900

950

1000

Antenna Height (ft)

RANGE (mi)

Best Antenna Height

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4.1.6 Human Exposure To Radio Frequency Electromagnetic Fields

For fixed applications, antenna gains and mounting techniques can vary

depending on the application. Antennas suitable for use with the MCC-

545C are listed in the MCC-545C RF Energy Exposure Guide. It includes

details on the human to antenna separation requirements for specific

fixed and mobile antennas with various gains.

Always disable the transmitter when working on the antenna and/or co-

ax cable.

4.2 Equipment Installation

The MCC-545C operates over a temperature range from -30°C to +60°C

and is housed in a stainless steel enclosure that can be used in a wide

range of applications.

4.2.1 Mobile Applications

Mobile applications can include vehicles, aircraft, vessels, and

locomotives. Each application may require a different type of antenna.

For example, a 3' base-loaded ¼-wave whip is generally a good solution

for vehicles. Low profile antennas, vertically polarized, are required for

locomotives. 10' ¼-wave whips are generally used for vessels; these

antennas should be designed for operation in maritime environments.

Refer to the MCC-545C RF Energy Exposure Guide for more antenna

information and means to limit RF exposure. MCC’s engineering services

department can be contacted for specific recommendations.

For vehicle installations, the MCC-545C may be mounted in any

convenient location (e.g., in the trunk, under the seat, or in the engine

compartment).

Refer to Appendix E for a list of example equipment components

required for an MCC-545C used in a typical mobile application.

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4.2.2 Data Collection Applications

The case of the MCC-545C itself is not waterproof, and a NEMA

waterproof enclosure is recommended for outdoor installations. To

ensure proper operation, shielded cable is recommended for all

connectors. Also, use adequate strain relief on all cables and a

weatherproof seal at the entry point of the enclosure.

A typical Remote Station data collection installation is shown in Figure

3.4.

Refer to Appendix E for a list of example equipment components

required for an MCC-545C used in a typical data collection application.

Figure 10: Typical remote station with 3-element YAGI antenna

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4.2.3 Cable Connections

There are a maximum of four cable connections to be made to the MCC-

545C, as shown in Figure 3.5. These connections are used for both

mobile and fixed site applications.

Figure 11: MCC-545C cable connections

DC Power

The MCC-545C requires a power source that can deliver up to 25 amps

of pulsed power (100 msec) out of a +12 VDC to +14VDC power source.

The 25 amp power demand will cause a voltage drop to occur at the

transmitter input, resulting in reduced transmit power, unless the

power cable to the source is sized appropriately. MCC recommends

using two #16 AWG wires for both the power and ground, with a cable

length that does not exceed 10 feet. If a longer cable is required use

#14 AWG. MCC provides a standard 6-foot power cable with lugs for

connecting to a 3/8" battery post.

The power connector pins are shown in Figure 3.6:

02/10/2012

Figure 12: MCC

The voltage at pins 1 and 4 should not drop by more than 2VDC during

transmission.

VHF Antenna

Connect the antenna cable to the BNC RF connector

used for cable lengths under 50 feet

214) for cable lengths up to 100 feet

cable length.

GPS Antenna (Opt

An external GPS antenna is required when the internal GPS receiver is

used.

Connect the GPS antenna cable to the SMA connector on the front

panel.

I/O Port

The 44 pin I/O connector on the front panel includes three RS

and one Sensor port

out these four ports as shown in Figure

545C Operations Manual

Prerelease

hts Reserved.

Proprietary and Confidential. Do Not Distribu

545C power connector pins

The voltage at pins 1 and 4 should not drop by more than 2VDC during

Connect the antenna cable to the BNC RF connector

. RG-

223 may be

used for cable lengths under 50 feet

Use a large diameter cable (RG

214) for cable lengths up to 100 feet

Refer to Section 3.1.5 for proper

GPS Antenna (Opt

ional)

An external GPS antenna is required when the internal GPS receiver is

Connect the GPS antenna cable to the SMA connector on the front

The 44 pin I/O connector on the front panel includes three RS

and one Sensor port

MCC provides a standard cable harness that breaks

out these four ports as shown in Figure

13:

545C Operations Manual

DCN 00001789-A

ibute.

The voltage at pins 1 and 4 should not drop by more than 2VDC during

223 may be

Use a large diameter cable (RG

Refer to Section 3.1.5 for proper

An external GPS antenna is required when the internal GPS receiver is

Connect the GPS antenna cable to the SMA connector on the front

The 44 pin I/O connector on the front panel includes three RS

-232 ports

MCC provides a standard cable harness that breaks

545C Operations Manual

02/10/2012 Prerelease DCN 00001789-A

Figure 13: MCC-545C I/O port cable

Operator Port

The Operator Port is normally connected to a local operator terminal.

Use a standard RS-232 cable with a 9-pin male D connector. Normally,

only 3 wires (pins 2, 3 and 5) are required when connecting to the

operator port. The port is wired to support handshaking where required

such as when using a modem.

Data Port

The Data Port may be used for connecting to a data logger, GPS

receiver or other serial input device. Use a standard RS-232 cable with a

9-pin male D connector. Refer to Section 4.5 for more information on

interfacing to data loggers or other serial input devices.

02/10/2012

Auxiliary Port (AUX)

The Auxiliary Port may be connected to any serial input device

standard RS-

232 cable with a 9

used for interfacing to MCC test equipment (pins 6, 8, and 9).

Important

and 9) whose signals do not conform to the RS

are for MCC test purposes. These pins will NOT interfere with a

normal 3

Sensor Port

The Sensor port is used as a gener

Data Acquisition (SCADA) interface requiring limited I/O in lieu of a full

data logging capability

connector for access to the various functions

cable may be

routed to a terminal block for interfacing to the various

sensors and other external devices.

545C Operations Manual

Prerelease

hts Reserved.

Proprietary and Confidential. Do Not Distribu

The Auxiliary Port may be connected to any serial input device

232 cable with a 9

-pin male D connector.

This port is also

used for interfacing to MCC test equipment (pins 6, 8, and 9).

Important

: The AUX port connector has t

hree extra pins (pins 6, 8,

and 9) whose signals do not conform to the RS

232 standard. These

are for MCC test purposes. These pins will NOT interfere with a

normal 3

-wire RS-

232 connector (pins 2, 3, and 5).

The Sensor port is used as a gener

al purpose Supervisory Control and

Data Acquisition (SCADA) interface requiring limited I/O in lieu of a full

data logging capability

. Use a mating cable with a 25-

pin male D

connector for access to the various functions

For convenience, this

routed to a terminal block for interfacing to the various

sensors and other external devices.

545C Operations Manual

DCN 00001789-A

ibute.

The Auxiliary Port may be connected to any serial input device

. Use a

This port is also

used for interfacing to MCC test equipment (pins 6, 8, and 9).

hree extra pins (pins 6, 8,

232 standard. These

are for MCC test purposes. These pins will NOT interfere with a

232 connector (pins 2, 3, and 5).

al purpose Supervisory Control and

Data Acquisition (SCADA) interface requiring limited I/O in lieu of a full

pin male D

For convenience, this

routed to a terminal block for interfacing to the various

545C Operations Manual

02/10/2012

SENSOR PORT

Pin Signal

Optocoupled input #1 positive

( 500 ohm resistor)

Optocoupled input #1 return

Optocoupled input #2 positive

( 500 ohm

resistor)

Optocoupled input #2 return

Optocoupled input #3 positive

( 500 ohm resistor)

Optocoupled input #3 return

Optocoupled input #4 positive

( 500 ohm resistor)

Optocoupled input #4 return

Ground

Relay Output #1 Normally Open

(2 Amp rating)

Relay Output #1 Common

Relay Output #1 Normally Closed

(2 Amp rating)

Relay Output #2 Normally Open

(2 Amp rating)

Relay Output #2 Common

Relay Output #2 Normally Closed

(2 Amp

rating)

Switched +12V (battery)

Analog Input #1 ( 0 to 5 V)

Analog Input #2 ( 0 to 5 V)

Analog Input #3 ( 0 to 5 V)

Analog Input #4 ( 0 to 5 V)

Analog Input #5 ( 0 to 5 V)

Analog Input #6 ( 0 to 5 V)

+5V Ref (10mA for sensor excitation)

+12V (0.5A maximum)

Detected RF Test Point

Note: In -

03 series or later radios, the sensor connector pin #16 has been

changed from ground to a switched +12 volt

volt can be used to drive sensors. The total current load on the +12 volt and

switched +12 volt must not exceed 500mA. Use EVENT programming (Section

4.6) to control the +12 volt switched output.

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DCN

Optocoupled input #1 positive

( 500 ohm resistor)

Optocoupled input #1 return

Optocoupled input #2 positive

resistor)

Optocoupled input #2 return

Optocoupled input #3 positive

( 500 ohm resistor)

Optocoupled input #3 return

Optocoupled input #4 positive

( 500 ohm resistor)

Optocoupled input #4 return

Relay Output #1 Normally Open

(2 Amp rating)

Relay Output #1 Common

Relay Output #1 Normally Closed

(2 Amp rating)

Relay Output #2 Normally Open

(2 Amp rating)

Relay Output #2 Common

Relay Output #2 Normally Closed

rating)

Switched +12V (battery)

Analog Input #1 ( 0 to 5 V)

±0.5%

Analog Input #2 ( 0 to 5 V)

±0.5%

Analog Input #3 ( 0 to 5 V)

±0.5%

Analog Input #4 ( 0 to 5 V)

±0.5%

Analog Input #5 ( 0 to 5 V)

±0.5%

Analog Input #6 ( 0 to 5 V)

±0.5%

+5V Ref (10mA for sensor excitation)

+12V (0.5A maximum)

Detected RF Test Point

03 series or later radios, the sensor connector pin #16 has been

changed from ground to a switched +12 volt

(battery). This switched +12

volt can be used to drive sensors. The total current load on the +12 volt and

switched +12 volt must not exceed 500mA. Use EVENT programming (Section

4.6) to control the +12 volt switched output.

DCN

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03 series or later radios, the sensor connector pin #16 has been

(battery). This switched +12

volt can be used to drive sensors. The total current load on the +12 volt and

switched +12 volt must not exceed 500mA. Use EVENT programming (Section

545C Operations Manual

02/10/2012 Prerelease DCN 00001789-A

For reference, the pin-outs of the 44 pin I/O connector are shown

below:

545C Operations Manual

02/10/2012

4.3 Power-

Up Sequence

Important:

Before applying power to the MCC

between the MCC-

545C and the external equipment (power, antenna,

operator terminal, and data logger). Refer to Section

instructions.

Caution

3.3 have been completed.

4.3.1

Operator Terminal

Connect a laptop or an operator terminal, with

the Operator Port

emulation program designed for interfacing with MCC products

operator terminal must be programmed with the same configuration

parameters as the Operator Port.

The Operator Port of the MCC

factory default configuration at the time of shipment:

Baud rate

9600

Parity

Data bits

Protocol

Stop bit

Flow control

4.3.2

Power Connection

Power up the MCC

Note:

When the unit

review Section 3.2.3.1 for proper cabling to the power source. The voltage

drop at the input connector during transmission should be less than 2 VDC

for proper operation of the unit. Verify this during the

Procedure in Section 3.4.

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DCN

Up Sequence

Before applying power to the MCC

545C, check all connections

545C and the external equipment (power, antenna,

operator terminal, and data logger). Refer to Section

3.2.3 for cabling

Disconnect the antenna cable until all steps in Section

3.3 have been completed.

Operator Terminal

Connect a laptop or an operator terminal, with

XTermW

installed, to

XTermW is an MCC windows-

based terminal

emulation program designed for interfacing with MCC products

operator terminal must be programmed with the same configuration

parameters as the Operator Port.

The Operator Port of the MCC

545C is programmed with the f

factory default configuration at the time of shipment:

Parity

Protocol

ASCII

Flow control

none

Power Connection

545C by applying +12VDC to the power connector.

When the unit

transmits, it will draw up to 20 amps; therefore,

review Section 3.2.3.1 for proper cabling to the power source. The voltage

drop at the input connector during transmission should be less than 2 VDC

for proper operation of the unit. Verify this during the

Operational Test

Procedure in Section 3.4.

DCN

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545C, check all connections

545C and the external equipment (power, antenna,

3.2.3 for cabling

Disconnect the antenna cable until all steps in Section

installed, to

based terminal

emulation program designed for interfacing with MCC products

. The

operator terminal must be programmed with the same configuration

545C is programmed with the f

ollowing

545C by applying +12VDC to the power connector.

transmits, it will draw up to 20 amps; therefore,

review Section 3.2.3.1 for proper cabling to the power source. The voltage

drop at the input connector during transmission should be less than 2 VDC

Operational Test

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When power applied is initially applied to the MCC-545C, or after a

software boot or hardware reset, the following message will be

displayed:

545C PACKET DATA RADIO

S/W Part Number* P1079-00-00 Version* 6.87 09/29/05

* Part Number, Version Number, and date vary according to a particular

radio’s firmware.

At this time all configuration data is loaded from Program Memory into

RAM. This data will remain in RAM and on all subsequent power-cycle

sequences the following message will be displayed:

01/23/04 16:54:10 POWER SHUTDOWN/FAIL OCCURRED.

02/02/04 12:54:44 POWER HAS BEEN RESTORED... RESUMING OPERATION.

This is the type of message that should be displayed when you first

apply power to the unit during a field installation, and for each

subsequent power cycle of the radio.

If the greeting message is not displayed, then the RAM contents may

have been lost under one of the conditions described in Section 2.4 and

the proper script file must be re-entered into the MCC-545C using

XTermW. (Refer to Sections 3.3.3.5 and 4.2.7 and Appendix C for more

information on using script files.)

4.3.3 Initialization Procedures

The following initialization procedures should now be performed in the

order they are given below.

Verify Device Type

The MCC-545C must be programmed to operate as a particular device

type, such as Remote Station, Repeater, or Base, depending on your

network configuration. The device type is normally set at the factory

prior to shipment to ensure proper integration with your network.

545C Operations Manual

02/10/2012

Use the following command to display what device type the unit is

configured as:

DEVICE [ENTER]

Always check with your System Administrator to determine which device

type

your unit should be configured as.

For example, if the device should be a Remote Station and it is not

currently configured properly, you can change the device type, as

follows:

DEVICE,REMOTE [ENTER]

SAVE [ENTER]

Caution:

Do not change the device type u

Administrator. Changing the device type can make your unit cease operating

and can impact communications throughout the entire network.

Verify ID Number

Every MCC unit is programmed at the factory with a 16

display the unit ID number on the operator terminal, enter:

ID [ENTER]

Contact your System Administrator to make sure this ID is registered in

the network configuration database

may have to be changed on

locked.

Caution:

ID changes must be coordinated with both MCC and your System

Administrator. Failure to do so may result in data or messages being

misrouted or lost. Refer to Section 4.1.4.1 for more information on unit ID

settings.

Verify Frequency

The MCC-

545C is programmed at the factory with the authorized

frequencies to be used in your network

Parameter memory and cannot be changed

frequency is configured by enter

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Use the following command to display what device type the unit is

Always check with your System Administrator to determine which device

your unit should be configured as.

For example, if the device should be a Remote Station and it is not

currently configured properly, you can change the device type, as

DEVICE,REMOTE [ENTER]

Do not change the device type u

nless told to do so by your System

Administrator. Changing the device type can make your unit cease operating

and can impact communications throughout the entire network.

Every MCC unit is programmed at the factory with a 16

bit unit ID

display the unit ID number on the operator terminal, enter:

Contact your System Administrator to make sure this ID is registered in

the network configuration database

Under some circumstances the ID

may have to be changed on

-site. This can o

nly be done if the ID is not

ID changes must be coordinated with both MCC and your System

Administrator. Failure to do so may result in data or messages being

misrouted or lost. Refer to Section 4.1.4.1 for more information on unit ID

545C is programmed at the factory with the authorized

frequencies to be used in your network

These frequencies are stored in

Parameter memory and cannot be changed

Verify that the correct

frequency is configured by enter

ing the command:

DCN

00001789-A

Do Not Distribute.

Use the following command to display what device type the unit is

Always check with your System Administrator to determine which device

For example, if the device should be a Remote Station and it is not

currently configured properly, you can change the device type, as

nless told to do so by your System

Administrator. Changing the device type can make your unit cease operating

and can impact communications throughout the entire network.

bit unit ID

. To

Contact your System Administrator to make sure this ID is registered in

Under some circumstances the ID

nly be done if the ID is not

ID changes must be coordinated with both MCC and your System

Administrator. Failure to do so may result in data or messages being

misrouted or lost. Refer to Section 4.1.4.1 for more information on unit ID

545C is programmed at the factory with the authorized

These frequencies are stored in

Verify that the correct

02/10/2012

FREQUENCIES [ENTER]

FREQ [ENTER]

This shows you the active or “primary” TX and RX frequency pair, plus

up to 9 additional frequency pairs for channels that may be

programmed at the factory.

For example, the following

+freq 05/18/04 08:53:50 Primary TX 044.58 MHz RX 044.58 MHz

Frequency Table

Channel

>00*

Caution:

Do not change the frequency pair unless told to do so by your

System Administrator. Changing the frequency pair can

communicating with the network.

Once the frequencies are verified, confirm that the synthesizer is “ON”

and locked by entering the following command:

SYNTHESIZER [ENTER]

SYNTH [ENTER]

The unit responds with:

SYNTH

,ON,LOCKED (or UNLOCKED)

If the synthesizer returns an unlocked response, ensure that the proper

frequency pair is selected.

545C Operations Manual

Prerelease

hts Reserved.

Proprietary and Confidential. Do Not Distribu

FREQUENCIES [ENTER]

FREQ [ENTER]

for short cut

This shows you the active or “primary” TX and RX frequency pair, plus

up to 9 additional frequency pairs for channels that may be

programmed at the factory.

For example, the following

table could be displayed:

+freq 05/18/04 08:53:50 Primary TX 044.58 MHz RX 044.58 MHz

Frequency Table

TX RX

044.58 MHz

045.90 MHz

044.20 MHz

000.00 MHz

Do not change the frequency pair unless told to do so by your

System Administrator. Changing the frequency pair can

make your unit stop

communicating with the network.

Once the frequencies are verified, confirm that the synthesizer is “ON”

and locked by entering the following command:

SYNTHESIZER [ENTER]

SYNTH [ENTER]

for short cut

The unit responds with:

,ON,LOCKED (or UNLOCKED)

If the synthesizer returns an unlocked response, ensure that the proper

frequency pair is selected.

545C Operations Manual

DCN 00001789-A

ibute.

This shows you the active or “primary” TX and RX frequency pair, plus

up to 9 additional frequency pairs for channels that may be

+freq 05/18/04 08:53:50 Primary TX 044.58 MHz RX 044.58 MHz

044.58 MHz

044.20 MHz

000.00 MHz

Do not change the frequency pair unless told to do so by your

make your unit stop

Once the frequencies are verified, confirm that the synthesizer is “ON”

If the synthesizer returns an unlocked response, ensure that the proper

545C Operations Manual

02/10/2012

Note: The MCC-

545C will not transmit if the synthesizer is not locked.

Select Site Name

A descriptive name may be given to the s

being installed.

The selected site name must be coordinated with your

System Administrator

SITE NAME, nnnnnn [ENTER]

where: nnnnnn = maximum of 32 alpha

Caution: Please

double

spacing. Data from a site with an incorrect site name will be mishandled or

misrouted by the Host. An incorrect site name can result in significant effort

to recover misrouted data.

Enter Script Files

The appropriate Script File is usually programmed into the MCC

the factory prior to shipment

not been entered, a new file can be loaded from your operator terminal

using XTermW

software

the MCC-

545C to operate as either a Base, Repeater, or Remote Station

Other Script Files define any application programs that are performed

by the station. For example, the application for a Remote Station may

be as a

mobile unit reporting position data or as a fixed site reporting

sensor data.

The procedure for loading the Script File is described below:

Install the MCC

Script File on it into your operator terminal, and load t

File into your

2. Start

XTermW

and COM port (typically COM1, 9600 baud)

are defaults.

3. Type

factory,default,init

into the MCC

Prerelease

DCN

545C will not transmit if the synthesizer is not locked.

A descriptive name may be given to the s

ite where the MCC-

545C is

The selected site name must be coordinated with your

System Administrator

To enter a site name use the following command:

SITE NAME, nnnnnn [ENTER]

where: nnnnnn = maximum of 32 alpha

-characters

double

check the site name entry for correct spelling and

spacing. Data from a site with an incorrect site name will be mishandled or

misrouted by the Host. An incorrect site name can result in significant effort

to recover misrouted data.

The appropriate Script File is usually programmed into the MCC

the factory prior to shipment

If the appropriate Script File has already

not been entered, a new file can be loaded from your operator terminal

software

. There is on

e Script File that uniquely programs

545C to operate as either a Base, Repeater, or Remote Station

Other Script Files define any application programs that are performed

by the station. For example, the application for a Remote Station may

mobile unit reporting position data or as a fixed site reporting

The procedure for loading the Script File is described below:

Install the MCC

-545C Meteorcomm

CD (or diskette), with the

Script File on it into your operator terminal, and load t

File into your

XTermW subdirectory.

XTermW

and open a connection at the correct baud rate

and COM port (typically COM1, 9600 baud)

All other parameters

are defaults.

factory,default,init

to load the default parameters

into the MCC

-545C.

DCN

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Do Not Distribute.

545C will not transmit if the synthesizer is not locked.

545C is

The selected site name must be coordinated with your

To enter a site name use the following command:

check the site name entry for correct spelling and

spacing. Data from a site with an incorrect site name will be mishandled or

misrouted by the Host. An incorrect site name can result in significant effort

The appropriate Script File is usually programmed into the MCC

-545C at

If the appropriate Script File has already

not been entered, a new file can be loaded from your operator terminal

e Script File that uniquely programs

545C to operate as either a Base, Repeater, or Remote Station

Other Script Files define any application programs that are performed

by the station. For example, the application for a Remote Station may

mobile unit reporting position data or as a fixed site reporting

CD (or diskette), with the

Script File on it into your operator terminal, and load t

he Script

and open a connection at the correct baud rate

All other parameters

to load the default parameters

02/10/2012

From the

Script.

Select the appropriate Script File in the

Double-

click the file name to start execution.

The commands in the Script File are executed one at a time until the

end of

the file is reached

review the command responses

COMMAND, BAD PARAMETER, or a similar message, the Script File may

have an error in it

MCC or your System Administrator for a replacement.

You may verify that the correct configuration file has been loaded by

entering the three commands:

THIS COMPLETES THE INTIALIZATION PROCEDURE

4.4

Operational Test Procedure

Note:

Be sure to connect the antenna if it was disconnected per the

CAUTION note of Section 3.3.

4.4.1 RF Test

A very thorough RF test can be made by entering the command TEST

[ENTER].

TEST causes the processor to turn the transmitter ON and

measures the

forward and reverse RF power that is being transmitted

also measures the battery voltage under load and the antenna noise

voltage.

545C Operations Manual

Prerelease

hts Reserved.

Proprietary and Confidential. Do Not Distribu

From the

Scripts pull-down menu in XTermW

, choose Execute

Select the appropriate Script File in the

XTermW

subdirectory

click the file name to start execution.

The commands in the Script File are executed one at a time until the

the file is reached

Press the “up arrow” key to scroll up and

review the command responses

If any commands result in BAD

COMMAND, BAD PARAMETER, or a similar message, the Script File may

have an error in it

If so, the script file needs to be corrected

MCC or your System Administrator for a replacement.

You may verify that the correct configuration file has been loaded by

entering the three commands:

ASSIGN, SNP, and CONFIG

THIS COMPLETES THE INTIALIZATION PROCEDURE

Operational Test Procedure

Be sure to connect the antenna if it was disconnected per the

CAUTION note of Section 3.3.

A very thorough RF test can be made by entering the command TEST

TEST causes the processor to turn the transmitter ON and

forward and reverse RF power that is being transmitted

also measures the battery voltage under load and the antenna noise

545C Operations Manual

DCN 00001789-A

ibute.

, choose Execute

subdirectory

The commands in the Script File are executed one at a time until the

Press the “up arrow” key to scroll up and

If any commands result in BAD

COMMAND, BAD PARAMETER, or a similar message, the Script File may

If so, the script file needs to be corrected

. Contact

You may verify that the correct configuration file has been loaded by

THIS COMPLETES THE INTIALIZATION PROCEDURE

Be sure to connect the antenna if it was disconnected per the

A very thorough RF test can be made by entering the command TEST

TEST causes the processor to turn the transmitter ON and

forward and reverse RF power that is being transmitted

. It

also measures the battery voltage under load and the antenna noise

545C Operations Manual

02/10/2012

The following response will be displayed on the operator terminal:

syncs xmits acks pwr

xxxx yyyy zzzz aaaa bbbb ccc ddd eee

where: xxxx =

# of sync patterns received from the master station.

yyyy =

# of transmissions made by the MCC

zzzz =

# of acknowledgements received from the Master

aaaa =

Forward power in watts

bbbb =

Reflected power in watts

ccc =

Battery voltage under load (while transmitting)

greater than 10.6

ddd =

Received signal strength in

noise level at the antenna and should read about

eee =

Number of times the radio has rebooted.

Note:

The forward RF power should be at least 80 watts if the battery

voltage

is normal. If it is lower than 80 watts check for proper cabling to

the power source. (See Section 3.2.2.1.)

If the reverse RF power is greater than 5 watts check the antenna and

coaxial cabling for proper installation.

If both the forward and reverse pow

automatically shutting down due to an antenna VSWR greater than 3:1.

Check the antenna and coaxial cabling for proper installation.

If the DET RF is greater than

will still perfo

rm properly but the latency time of the link will be increased.

Refer to Section 3.1 for reducing site noise conditions.

An overall figure of merit for the link performance is the XMIT to ACK ratio.

If this ratio is 3:1 or lower, the overall performance wi

This completes the initialization and power

The unit is now ready for operation.

Refer to Chapter 4 for detailed operating instructions.

Prerelease

DCN

The following response will be displayed on the operator terminal:

syncs xmits acks pwr

-fwd pwr-rev v-bat det-

rf resets

xxxx yyyy zzzz aaaa bbbb ccc ddd eee

# of sync patterns received from the master station.

# of transmissions made by the MCC

-545C.

# of acknowledgements received from the Master

Station.

Forward power in watts

This should be greater than 80 watts.

Reflected power in watts

This should be less than 5 watts.

Battery voltage under load (while transmitting)

This should be

greater than 10.6

Received signal strength in

dBm.

This will normally be the

noise level at the antenna and should read about

–

120.

Number of times the radio has rebooted.

The forward RF power should be at least 80 watts if the battery

is normal. If it is lower than 80 watts check for proper cabling to

the power source. (See Section 3.2.2.1.)

If the reverse RF power is greater than 5 watts check the antenna and

coaxial cabling for proper installation.

If both the forward and reverse pow

er are low, the transmitter may be

automatically shutting down due to an antenna VSWR greater than 3:1.

Check the antenna and coaxial cabling for proper installation.

If the DET RF is greater than

–115 dBm (for example, -

110 dBm), the unit

rm properly but the latency time of the link will be increased.

Refer to Section 3.1 for reducing site noise conditions.

An overall figure of merit for the link performance is the XMIT to ACK ratio.

If this ratio is 3:1 or lower, the overall performance wi

ll be very good.

This completes the initialization and power

up sequence of the MCC

The unit is now ready for operation.

Refer to Chapter 4 for detailed operating instructions.

DCN

00001789-A

Do Not Distribute.

The following response will be displayed on the operator terminal:

rf resets

xxxx yyyy zzzz aaaa bbbb ccc ddd eee

Station.

This should be greater than 80 watts.

This should be less than 5 watts.

This should be

This will normally be the

120.

The forward RF power should be at least 80 watts if the battery

is normal. If it is lower than 80 watts check for proper cabling to

If the reverse RF power is greater than 5 watts check the antenna and

er are low, the transmitter may be

automatically shutting down due to an antenna VSWR greater than 3:1.

110 dBm), the unit

rm properly but the latency time of the link will be increased.

An overall figure of merit for the link performance is the XMIT to ACK ratio.

ll be very good.

up sequence of the MCC

-545C.

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5. OPERATIONS

This chapter covers the basic operating procedures for the MCC-545C as

it is used in the FleetTrak™ network. The MCC-545C is programmed

through the use of Script Files that contain the specific system

parameters for operating in various modes. A script file is loaded into

the MCC-545C at the MCC facilities prior to shipment. Script files may

also be loaded and/or modified at the customer’s site. (Refer to Section

4.2.7 and Appendix C for more information on Script Files.)

The last section of this chapter provides a summary of all MCC-545C

commands; printouts from frequently-used commands are included in

Appendix A.

It is assumed at this point that the appropriate script file has already

been loaded into the unit, as part of the installation procedures

outlined in Section 3.3, and that the unit is configured properly and

operational within its network. This chapter describes the various

commands that are available to the operator for modifying the station

configuration parameters to accommodate specific applications, sending

and receiving messages, and interfacing to peripheral devices for

position reporting and data collection.

5.1 Getting Started

5.1.1 XTermW Terminal Emulator

XTermW is a windows-based terminal emulation program supplied by

MCC. It is designed for interfacing with a wide variety of MCC products.

All commands, script files, etc., can be entered into the MCC-545C

using XTermW. The last section in this chapter contains a list of all valid

MCC-545C commands.

XTermW can also be used to create log files of MCC-545C operations.

Refer to the XTermW documentation supplied with the program.

Whether using XTermW, another terminal emulator, or a hardware

terminal, you must program the operator terminal to use the same

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configuration parameters as the MCC-545C Operator Port. The Operator

Port of the MCC-545C has the following factory default configuration:

Baud rate

9600

Data bits

Stop bit

Parity

Protocol

ASCII

Flow control

none

5.1.2 HELP Command

Entering HELP [ENTER] displays all of the commands used in the

operation and maintenance of the MCC-545C. To obtain descriptive

information about a particular command and how it is used by the MCC-

545C, enter the command type. For example: HELP, ASSIGN [ENTER].

Refer to the last section of this chapter for a complete list of MCC-545C

commands.

5.1.3 Role-Based Operations

The role that the MCC-545C plays in a communications network

determines how it should be configured. There are three basic roles

that an MCC-545C can be used in, depending on the network type:

• LOS Network consisting of Base and Repeater Stations, and

Remote/Mobile units; Base Stations do not communicate with each

other in this type of network. This is a typical FleetTrak™ network.

• LOS Network consisting of one or more Master Stations and Remote

Stations (either fixed position or mobile units); Master Stations can

communicate with each other in this type of network. This is a

typical DataNet network.

• Meteor Burst network consisting of a single Master Station

communicating with Remote Stations in fixed positions; Remote

Stations do not communicate with each other in this type of

network. This is a typical Meteor Burst network.

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Table 4.1 shows the roles for which an MCC-545C can be configured; this is just an overview of the general commands

needed for each role. The MCC-545C is not normally used in a Meteor Burst-only type of network.

Appendix F contains a description of the interoperability of all three types of MCC networks.

Table 6: Role-based operations

LOS Network

Base and Repeater Stations

Remote/Mobile units

LOS Network

Multiple Master Stations

Remote Stations (fixed or mobile)

Meteor Burst Network

Single Master Station

Remote Stations (fixed)

ROLE,LOS ROLE,LOS ROLE,TRANSPOND

DEVICE,BASE

DEVICE,REPEATER,id (which Base or

Repeater to report to)

DEVICE,REMOTE

DEVICE,MASTER

DEVICE,REMOTE

For Base/Repeaters:

ID,master id

For Remotes:

ID,remote id, master

id,AUTO

For Masters:

ID,master id

For Remotes:

ID,remote id, master id

For Masters:

ID,master id

For Remotes (single Master):

ID,remote id, master id

For Remotes (multiple Masters):

ID,remote id,1,MULTI,INIT

P,t

(idle probe rate – typically t=20

seconds for Base and Repeaters; set

t=OFF for Remotes in an LOS network)

P,t

(idle probe rate

–

typically

seconds for Base and Repeaters; set

t=OFF for Remotes in an LOS network)

P,OFF

(for Remotes)

BASE,low id,hi id (typically 2-230 –

used as a switch that turns the

Base/Repeater mode on)

BASE,OFF

(BASE command not used in a Meteor

Burst network)

CONNECT, master id1, master id2

(limits which Master(s) a Remote Station

can communicate with)

CONNECT, master id1, master id2

(limits which Master(s) a Remote Station

or Master Station can communicate with)

(CONNECT command not used in a Meteor

Burst network)

SNP,NDOWN,2,10 (Remotes switch to SNP,NDOWN,120,10

(Remotes switch to

(Single Master Station networks use

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LOS Network

Base and Repeater Stations

Remote/Mobile units

LOS Network

Multiple Master Stations

Remote Stations (fixed or mobile)

Meteor Burst Network

Single Master Station

Remote Stations (fixed)

another Base Station or Repeater after 2

minutes without communications or after

10 failed tries; if only one Base Station,

Remote goes into position (POS)

broadcast mode )

another

Master Station after 120 minutes

without communications or after 10

failed tries; if only one Base Station,

Remote goes into position (POS)

broadcast mode )

default SNP parameters)

POS,15 (sets up GPS; typically 15

seconds, or 120 seconds depending on

requirements)

CR10X

(displays data logger

configuration parameters; can be

changed as needed)

CR10X

(displays data logger

configuration parameters; can be

changed as needed)

ASSIGN,POS,2,GPS (sets up RS-232

port)

ASSIGN,DTA,1,type

(select data

logger type for DTA port)

ASSIGN,DTA,1,type

(select data

logger type for DTA port)

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5.1.4 Unit Identification and Factory Settings

Unit ID

Every MCC unit is programmed at the factory with a 16-bit unit ID. This

allows up to 65,536 unique ID numbers per network. Type the command ID

and press [ENTER] to display the unit ID number on the operator terminal.

In some cases this number will be “locked” and cannot be changed in the

field; you can type LOCK to determine if the ID is locked or not.

Under some circumstances the ID may have to be changed on-site. It can

only be done if the ID is not locked. In that event, this action must be

coordinated with both MCC and your System Administrator. Failure to do so

may result in data or messages being misrouted or lost. In addition, the

network topography and statistics will receive incorrect data that will

impair network performance.

To change the ID, enter the following command:

ID,nnnnn,mmmm{,aaaaa},INIT

where:nnnnnn = unit ID

mmmm = Master Station assignment

aaaaa = Master select mode: PREF, AUTO, MULTI, or FIXED

Obtain the proper Master Station assignment and select mode from your

System Administrator. The MCC-545C will save this ID and will use it

whenever the unit is powered up or reset.

Mode Description

PREF

Unit connects to the

mmmm

Master Station for the

NDOWN

period (set with

SNP command). After NDOWN period unit connects to the Master Station

that it has received the most syncs from. In this mode the unit can

communicate with only one Master at a time.

AUTO

Unit connects to the

mmmm

Master Station, if it is not successful it

switches to another Master Station. It will stay with that Master Station as

long as it can communicate with it. In this mode the unit can

communicate with only one Master at a time. This is the standard

mode for FleetTrak™ networks.

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Mode Description

FIXED

Connectivity will be fixed to the

unit can communicate with only one Master Station at a time

the

standard mode for networks with a single Master Station.

MULTI

In this mode the unit can connect to multiple Master Stations

standard mode for Meteor Burst networks with more than one Master

Station.

The format for this mode is:

ID,nnnnn,1,M

ULTI,INIT

You can also change just the mode for the ID by typing:

ID,aaaaa

Customer ID

The MCC-

545C may also be assigned a unique customer ID number that can

correspond to a customer

number, or other

identifier as needed.

Factory Default Parameters

When you type FACTORY,DEFAULT,INIT, the unit restores the factory

default parameters. Refer to Appendix B for more details regarding the

factory default parameters.

Note:

If the ID and the CONFIG are not

FACTORY,DEFAULT,INIT, the unit’s ID will remain the same, but the ID mode

will be set to be the fixed mode . The frequency synthesizer will get

unlocked (Both TX and RX frequencies will be set to 99.99 MHz.). In this

case, you need to

set your frequencies again, in addition to other

parameters, using the script file (refer to Section 4.2.7).

5.1.5

System Time and Date

The MCC-

545C has its own internal clock

its clock to the nearest second either with its ass

own internal GPS receiver (if available)

TIMESYNC,source

Prerelease

DCN

Connectivity will be fixed to the

mmmm

Master Station

In this mode the

unit can communicate with only one Master Station at a time

standard mode for networks with a single Master Station.

In this mode the unit can connect to multiple Master Stations

standard mode for Meteor Burst networks with more than one Master

The format for this mode is:

ULTI,INIT

You can also change just the mode for the ID by typing:

545C may also be assigned a unique customer ID number that can

correspond to a customer

specific network or system ID, an asset tracking

identifier as needed.

When you type FACTORY,DEFAULT,INIT, the unit restores the factory

default parameters. Refer to Appendix B for more details regarding the

factory default parameters.

If the ID and the CONFIG are not

LOCKED before typing

FACTORY,DEFAULT,INIT, the unit’s ID will remain the same, but the ID mode

will be set to be the fixed mode . The frequency synthesizer will get

unlocked (Both TX and RX frequencies will be set to 99.99 MHz.). In this

set your frequencies again, in addition to other

parameters, using the script file (refer to Section 4.2.7).

System Time and Date

545C has its own internal clock

–

periodically it can synchronize

its clock to the nearest second either with its ass

igned Master Station or its

own internal GPS receiver (if available)

Enter the following command:

TIMESYNC,source

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In this mode the

unit can communicate with only one Master Station at a time

. This is

standard mode for networks with a single Master Station.

In this mode the unit can connect to multiple Master Stations

This is the

standard mode for Meteor Burst networks with more than one Master

545C may also be assigned a unique customer ID number that can

specific network or system ID, an asset tracking

When you type FACTORY,DEFAULT,INIT, the unit restores the factory

default parameters. Refer to Appendix B for more details regarding the

FACTORY,DEFAULT,INIT, the unit’s ID will remain the same, but the ID mode

will be set to be the fixed mode . The frequency synthesizer will get

unlocked (Both TX and RX frequencies will be set to 99.99 MHz.). In this

set your frequencies again, in addition to other

periodically it can synchronize

igned Master Station or its

Enter the following command:

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where: source = ON (sync with Master Station)

= GPS (sync using internal GPS)

= OFF (uses internal clock only)

If required, the MCC-545C’s internal date and time can be initialized by

entering the following commands:

DATE, mm/dd/yy

TIME, hh:mm{:ss}

The Master Station receives the correct date and time from either its Host

or an RTCM broadcast. The Master Station then periodically broadcasts this

date and time information to all Remotes for synchronizing their internal

clocks.

The date and time of day maintained in the MCC-520B Master Station is

transmitted to all Remote Stations between the times of 00:10:00 and

00:50:00 of each day, time keeping all units in a network on the same time

reference. If the time of day received at a Remote Station differs by more

than two minutes from the internal Remote clock, the Remote will set its

clock to the received time of day.

To properly manage time, each Master Station and Remote Station must

know how its own time zone relates to UTC and the system time. This

relationship is established by relating its time zone to known reference

points. UTC is always referenced to GMT; however, system time can be

referenced to any desired time zone.

The time zone offset is defined with the following command:

TIME ZONE, UTC offset, local time offset

Always set “UTC offset” to 0; the “local time offset” should be set to the

Remote Station’s time zone offset (+/- TZ) from the Master Station time

zone.

5.1.6 System Memory

The MCC-545C is designed to operate unattended in a variety of

environments where power may be applied continuously or intermittently.

The goal is for the unit to continue to operate without loss of messages,

data, or configuration, even if power is randomly turned on and off.

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Therefore the software is designed to operate continuously, to save all

operational information when power is off, and to resume operation from

that point when power is restored.

To support this design, the MCC-545C has three types of memory:

1. Program Memory (PM)

2. Random Access Memory (RAM)

3. Configuration Parameter (CPM)

The PM is non-volatile flash memory that has been programmed with the

MCC-545C’s operational software. This software contains the initial values

of all operational parameters. The values are referred to as the “factory

defaults” because they are programmed into the MCC-545C operating

system software at the factory. The PM can only be modified by replacing

the operating system using the flash download. (Consult XTermW manual to

learn how to download a new flash into the PM.)

The RAM contains all the dynamic data for the MCC-545C. All data logger

data, positional data, and messages entered into the MCC-545C are stored

in RAM. Also, all command parameters are stored in RAM. But RAM is

volatile and can only retain information while power is applied. Turning off

or disconnecting power will cause all RAM information to be lost. To

prevent this, a small internal NiCad or Ni Metal Hydride battery (internal to

the unit) is used to maintain power to the RAM when external power is off.

During normal operation, the MCC-545C software operates from the data

and the parameters that are stored in RAM. Unfortunately, there are

always situations when the RAM data may be lost or corrupted due to total

discharge of the battery, software crash or operator error. Since we do not

want to lose our configuration data during these situations, we have a third

type of memory.

The third type of memory, CPM, is also nonvolatile flash memory and

retains data even when power is removed. The MCC-545C retains a copy of

all the programmed configuration parameters in CPM. The MCC-545C will

write configuration parameters, that have been entered from the operator

port, into CPM when the SAVE command is entered. Only values that have

changed are written into CPM. Whenever the unit radio ID is changed the

MCC-545C will automatically SAVE the configuration. A validation checksum

02/10/2012

is used by the MCC

checksum is invalid, the unit will revert to factory defaults.

The only configuration parameter that is not stored in CPM is the CR10X

pointer.

This parameter, together with the date and time, is stored in

clock chip battery backed up RAM

is discharged or removed from the unit

FACTORY,DEFAULT,INIT command is used to change the configuration back

to the factory defaults.

When the MCC-

545C ships from the factory it is programmed with the

following default configuration: the Operator Port (port 0) is set for 9600

baud, 8 data bits, 1 stop bit, no parity, ASCII protocol and no flow control

This provides a known starting point for commun

terminal or computer

unit ID and other operational parameters and then use the SAVE command

to write them to CPM

effect.

Caution:

Once the software is rebooted or is restarted due to a crash or

failure of the battery backup RAM, all changes will be lost unless they were

previously saved in CPM.

5.2

Station Configuration

The station configuration parameters are usually entered b

configuration script file as described in Section 3.3.3.5

enter these commands one at a time from the operator port

describes some of the key commands

chapter for a comple

In order for the MCC

properly configured

to application, therefore refer to your systems manual or consult your

systems manage

r for correct settings.

545C Operations Manual

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DCN

Proprietary and Confidential. Do Not Distribute.

is used by the MCC

-545C to verify the data in CPM is correct

checksum is invalid, the unit will revert to factory defaults.

The only configuration parameter that is not stored in CPM is the CR10X

This parameter, together with the date and time, is stored in

clock chip battery backed up RAM

These will be lost if the internal battery

is discharged or removed from the unit

It will not be lost if the

FACTORY,DEFAULT,INIT command is used to change the configuration back

to the factory defaults.

545C ships from the factory it is programmed with the

following default configuration: the Operator Port (port 0) is set for 9600

baud, 8 data bits, 1 stop bit, no parity, ASCII protocol and no flow control

This provides a known starting point for commun

icating to the unit from a

terminal or computer

From this starting point, the user can program the

unit ID and other operational parameters and then use the SAVE command

to write them to CPM

As soon as the parameters are entered they take

Once the software is rebooted or is restarted due to a crash or

failure of the battery backup RAM, all changes will be lost unless they were

previously saved in CPM.

Station Configuration

The station configuration parameters are usually entered b

y loading a

configuration script file as described in Section 3.3.3.5

It is also possible to

enter these commands one at a time from the operator port

describes some of the key commands

Refer to the last section of this

chapter for a comple

te list of commands.

In order for the MCC

545C to operate correctly in your network, it must be

properly configured

Configuration requirements will vary from application

to application, therefore refer to your systems manual or consult your

r for correct settings.

545C Operations Manual

DCN

00001789-A

If the

The only configuration parameter that is not stored in CPM is the CR10X

This parameter, together with the date and time, is stored in

the

These will be lost if the internal battery

It will not be lost if the

FACTORY,DEFAULT,INIT command is used to change the configuration back

545C ships from the factory it is programmed with the

following default configuration: the Operator Port (port 0) is set for 9600

baud, 8 data bits, 1 stop bit, no parity, ASCII protocol and no flow control

icating to the unit from a

From this starting point, the user can program the

unit ID and other operational parameters and then use the SAVE command

As soon as the parameters are entered they take

Once the software is rebooted or is restarted due to a crash or

failure of the battery backup RAM, all changes will be lost unless they were

y loading a

It is also possible to

This section

Refer to the last section of this

545C to operate correctly in your network, it must be

Configuration requirements will vary from application

to application, therefore refer to your systems manual or consult your

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5.2.1 Configuring the MCC-545C

Configuration parameters include the unit ID, the Master Station

assignment, I/O port functions and baud rates, transmit and receive

parameters and network parameters. Parameters or operational states set

by these commands are retained and will determine the way in which the

MCC-545C will interact with other equipment at the site and with the

communications network.

Most configuration parameters can be viewed with the CONFIG, ASSIGN,

SNP, and CR10X commands. You should use these commands to verify that

the configuration is correct. If it is not correct, use the appropriate

command(s) to correct the configuration, and then enter the SAVE

command to write the configuration parameters into the Configuration

Parameter Memory (CPM) for non-volatile storage.

The software normally executes using the data and parameters stored in

RAM. When the unit is turned off, or power is disconnected, the RAM

information will be maintained by battery backup. When main power is

restored the unit continues operation from RAM. When this happens, you

will see the following message on the Operator Port. (See Section 3.3 for

details.)

POWER SHUTDOWN/FAIL OCCURRED

POWER HAS BEEN RESTORED... RESUMING OPERATION

The RAM contents will be lost under the following conditions:

• The boot command is issued.

• The Reset button (SW1) is pressed.

• The internal battery backup is disconnected.

• The internal battery fails or is discharged.

• The software crashes and restarts.

The software will detect these events and will then recopy the

configuration values from CPM back into RAM when operation is resumed.

The software will revert to the factory settings contained in the PM if the

contents of the CPM become invalid.

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The user should beware that it is possible to “get in trouble” using the

configuration process. For example, assume you accidentally set the

protocol for the operator port to MSC. If you do not have the ability to

interface using MSC protocol you will immediately lose contact with the

MCC-545C. You will no longer be able to issue commands. Power cycling

will not help either because your change will be retained in RAM, even

through power cycling. However, you can always recover by removing the

lid on the MCC-545C and pressing the Reset button (SW1). This will reboot

and restore the CPM settings.

Alternatively, assume you want to change the operator port to MSC. You

connect in ASCII protocol, command the change to MSC protocol, then

switch your PC to also use MSC protocol. Operation resumes and all is well.

But do not forget to do a SAVE. If the software ever reboots, it will revert

back to ASCII. And remember, once you do the SAVE you are committed to

MSC protocol. The Reset button now reboots to MSC and there is no easy

way back to the factory default settings. You will need an MSC capability to

command a change back to ASCII.

5.2.2 Setting frequencies

The MCC-545C is programmed at the factory with the authorized

frequencies to be used in your network. These frequencies are stored in

Parameter memory and cannot be changed.

You can display TX and RX frequencies by entering the following command:

FREQUENCIES

This shows you the active or “primary” TX and RX frequency pair, plus up

to 9 additional frequency pairs for channels that may be programmed at

the factory.

545C Operations Manual

02/10/2012

+freq 05/18/04 08:53:50 Primary TX 044.58 MHz RX 044.58 MHz

Frequency Table

Channel

>00*

044.58 MHz

045.90 MHz

000.00 MHz

You can select any frequency pair from the frequency table by entering the

command:

FREQUENCIES, n

where: n

= desired channel number

To set the

frequencies manually, enter the following command:

FREQUENCIES,aaaa,bbbb,xx

where: aaaa

= Tx Frequency (e.g., 4053 for 40.53 MHz)

bbbb

= Rx Frequency (e.g., 4153 for 41.53 MHz)

= Frequency Channel Number in the Frequency Table (0 thru 10)

This ent

ers the above frequencies into “xx” channel number in the

frequency table.

Now select the desired channel number to make that pair

of frequencies active or the “primary” frequency pair.

Important:

If the synthesizer is unable to establish phase

command is entered, the MCC

request and turn off the TX key. It will try once a minute thereafter to

establish phase-

lock. If it fails, the message

be displayed; if it succeeds, the MCC

the TX key.

Prerelease

DCN

+freq 05/18/04 08:53:50 Primary TX 044.58 MHz RX 044.58 MHz

044.58 MHz

045.90 MHz

044.20 MHz

000.00 MHz

You can select any frequency pair from the frequency table by entering the

= desired channel number

frequencies manually, enter the following command:

FREQUENCIES,aaaa,bbbb,xx

= Tx Frequency (e.g., 4053 for 40.53 MHz)

= Rx Frequency (e.g., 4153 for 41.53 MHz)

= Frequency Channel Number in the Frequency Table (0 thru 10)

ers the above frequencies into “xx” channel number in the

Now select the desired channel number to make that pair

of frequencies active or the “primary” frequency pair.

If the synthesizer is unable to establish phase

lock when

command is entered, the MCC

-545C will respond

ON, UNLOCKED

request and turn off the TX key. It will try once a minute thereafter to

lock. If it fails, the message

SYNTHESIZER UNLOCKED

be displayed; if it succeeds, the MCC

-545C will respond

LOCKED

DCN

00001789-A

+freq 05/18/04 08:53:50 Primary TX 044.58 MHz RX 044.58 MHz

You can select any frequency pair from the frequency table by entering the

frequencies manually, enter the following command:

= Frequency Channel Number in the Frequency Table (0 thru 10)

ers the above frequencies into “xx” channel number in the

Now select the desired channel number to make that pair

lock when

the

ON, UNLOCKED

to the

request and turn off the TX key. It will try once a minute thereafter to

SYNTHESIZER UNLOCKED

will

LOCKED

and turn on

02/10/2012

5.2.3 Remote

holdoff set

The HOLDOFF command allows a Remote Station to hold off selecting a

Master Station for a given period of time (in seconds) whenever it does a

neighbor-down.

(Neighbor

from its assigned Master within a set period of time

2 minutes.) This lets the Remote pick a Remote Relay Station for the set

holdoff time in conditions where a Remote can hear

Base cannot hear the Remote

5.2.4 Power

turn on option

Note:

This option is only available on MCC

MCC-545C-

03 or later radios have Jumper JP4 installed on shipment

jumper ensures that the radio will

applied to the power connector.

There is also the ability for the radio to be powered up from an external

control signal (e.g., car ignition, data logger, etc.), connected to the I/O

port.

This can be used to turn the r

purposes of reducing standby operating current

allow this feature

This external signal (+4 to 12VDC voltage) is applied to the optical isolated

port 2, available on the 25 pin connector (I/O Por

500 ohm resistor to limit the current

apply +V to IN2+ (Pin 3 on DB

on DB-

25 connector).

This external control signal allows for the radio to be tu

a predefined time interval

Remove Jumper JP4

Connect control signal to IN2 .

Set Power Time Out (PTO) in seconds to turn the radio off after the

IN2 is removed.

545C Operations Manual

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Proprietary and Confidential. Do Not Distribute.

holdoff set

tings

The HOLDOFF command allows a Remote Station to hold off selecting a

Master Station for a given period of time (in seconds) whenever it does a

(Neighbor

down is when a Remote Station doesn’t hear

from its assigned Master within a set period of time

–

the default setting is

2 minutes.) This lets the Remote pick a Remote Relay Station for the set

holdoff time in conditions where a Remote can hear

a Base Station, but the

Base cannot hear the Remote

turn on option

This option is only available on MCC

-545C-

03 or later units.

03 or later radios have Jumper JP4 installed on shipment

jumper ensures that the radio will

power up when the battery voltage is

applied to the power connector.

There is also the ability for the radio to be powered up from an external

control signal (e.g., car ignition, data logger, etc.), connected to the I/O

This can be used to turn the r

adio off under electronic control for

purposes of reducing standby operating current

JP4 must be removed to

This external signal (+4 to 12VDC voltage) is applied to the optical isolated

port 2, available on the 25 pin connector (I/O Por

t).

There is an internal

500 ohm resistor to limit the current

To connect the control signal to IN2,

apply +V to IN2+ (Pin 3 on DB

-25 connector) and –

V (ground) to IN2

25 connector).

This external control signal allows for the radio to be tu

rned on/off within

a predefined time interval

. To enable this feature:

Remove Jumper JP4

Connect control signal to IN2 .

Set Power Time Out (PTO) in seconds to turn the radio off after the

IN2 is removed.

545C Operations Manual

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00001789-A

The HOLDOFF command allows a Remote Station to hold off selecting a

Master Station for a given period of time (in seconds) whenever it does a

down is when a Remote Station doesn’t hear

the default setting is

2 minutes.) This lets the Remote pick a Remote Relay Station for the set

a Base Station, but the

03 or later units.

03 or later radios have Jumper JP4 installed on shipment

. This

power up when the battery voltage is

There is also the ability for the radio to be powered up from an external

control signal (e.g., car ignition, data logger, etc.), connected to the I/O

adio off under electronic control for

JP4 must be removed to

This external signal (+4 to 12VDC voltage) is applied to the optical isolated

There is an internal

To connect the control signal to IN2,

V (ground) to IN2

- (Pin 4

rned on/off within

Set Power Time Out (PTO) in seconds to turn the radio off after the

545C Operations Manual

02/10/2012

To set the Power Time Out (in seconds), enter the

PTO,xxx

Note:

The PTO command must not be used (i.e., set to PTO,0) if JP4 is

installed.

5.2.5 MCC-545C

command schedule list

The SCHED command allows you to schedule the automated execution of

commands.

A schedule list simply consists of

a trigger time.

When the MCC

time, the scheduler invokes the command as though you had entered it

from the MCC-

545C’s operator terminal.

Note:

The command schedule list created by the

different than programming MCC

Appendix D for more information on programming events.

Two different types of time trigger options are provided for command

scheduling: INTERVAL and TIME

schedule a command to be invoked at periodic intervals within a 24

time period; the TIME trigger allows you to schedule a command to be

invoked only once at a specified point within a 24 hour time period

command schedule list

midnight.

To display the current schedule list, enter:

SCHED

To add a new command to the schedule list, enter:

SCHED,type,time{OFFSET,hh:mm:ss},command

where: type

time

OFFSET

,hh:mm:ss

command

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To set the Power Time Out (in seconds), enter the

following command:

The PTO command must not be used (i.e., set to PTO,0) if JP4 is

command schedule list

The SCHED command allows you to schedule the automated execution of

A schedule list simply consists of

giving one or more commands

When the MCC

-545C’s real-

time clock reaches the trigger

time, the scheduler invokes the command as though you had entered it

545C’s operator terminal.

The command schedule list created by the

SCHED command is

different than programming MCC

-545C “events” –

see Section 4.6 and

Appendix D for more information on programming events.

Two different types of time trigger options are provided for command

scheduling: INTERVAL and TIME

. The INTERVAL tr

igger allows you to

schedule a command to be invoked at periodic intervals within a 24

time period; the TIME trigger allows you to schedule a command to be

invoked only once at a specified point within a 24 hour time period

command schedule list

is restarted each time the real-

time clock reaches

To display the current schedule list, enter:

To add a new command to the schedule list, enter:

SCHED,type,time{OFFSET,hh:mm:ss},command

= INTERVAL or TIME

= hours:minutes:seconds

,hh:mm:ss

= time offset from specified

timeframe

= any MCC-

545C command (with parameters)

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following command:

The PTO command must not be used (i.e., set to PTO,0) if JP4 is

The SCHED command allows you to schedule the automated execution of

giving one or more commands

time clock reaches the trigger

time, the scheduler invokes the command as though you had entered it

SCHED command is

see Section 4.6 and

Two different types of time trigger options are provided for command

igger allows you to

schedule a command to be invoked at periodic intervals within a 24

-hour

time period; the TIME trigger allows you to schedule a command to be

invoked only once at a specified point within a 24 hour time period

. The

time clock reaches

timeframe

(optional)

545C command (with parameters)

02/10/2012

Note:

The scheduler ignores certain commands due to their interactive

nature. The MESSAGE command is currently the

To remove command(s) from the schedule list, enter:

SCHED,DEL,xxx

where:

xxx

command

Important:

The MCC

The schedule list will be erased if the system software re

confused with power failure recovery, which will preserve the schedule

list).

You can schedule several commands to trigger at the same time;

you cannot force one command to execute before or after another

assigning commands to the schedule, the order of commands displayed in

the schedule list is the order in which the commands will trigger for any

given trigger time (i.e., a com

before an command with a higher schedule number).

5.2.6

Setting Timeout Duration

There is one programmable time limit for the I/O port input on the MCC

545C.

Use the Set Teleprinter Timeout (

for characters at the maintenance terminal, as follows:

STT,secs

where:

secs

MCC recommends using the pre

You can choose to change the timeout limit by entering the num

seconds, or you can enter a 0 to turn off the time limit.

545C Operations Manual

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The scheduler ignores certain commands due to their interactive

nature. The MESSAGE command is currently the

only one ignored.

To remove command(s) from the schedule list, enter:

SCHED,DEL,xxx

xxx

= ALL (erases entire schedule)

= schedule list number (removes single scheduled

command

from the schedule list)

The MCC

-545C currently

supports up to 50 scheduled commands.

The schedule list will be erased if the system software re

boots (not to be

confused with power failure recovery, which will preserve the schedule

You can schedule several commands to trigger at the same time;

you cannot force one command to execute before or after another

assigning commands to the schedule, the order of commands displayed in

the schedule list is the order in which the commands will trigger for any

given trigger time (i.e., a com

mand with a low schedule number occurs

before an command with a higher schedule number).

Setting Timeout Duration

There is one programmable time limit for the I/O port input on the MCC

Use the Set Teleprinter Timeout (

STT

) command to set the time lim

for characters at the maintenance terminal, as follows:

secs

= 0 to 32767

seconds (default is 60 seconds)

MCC recommends using the pre

programmed default timeout parameter

You can choose to change the timeout limit by entering the num

seconds, or you can enter a 0 to turn off the time limit.

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The scheduler ignores certain commands due to their interactive

only one ignored.

= schedule list number (removes single scheduled

supports up to 50 scheduled commands.

boots (not to be

confused with power failure recovery, which will preserve the schedule

You can schedule several commands to trigger at the same time;

however,

you cannot force one command to execute before or after another

. After

assigning commands to the schedule, the order of commands displayed in

the schedule list is the order in which the commands will trigger for any

mand with a low schedule number occurs

There is one programmable time limit for the I/O port input on the MCC

) command to set the time lim

seconds (default is 60 seconds)

programmed default timeout parameter

You can choose to change the timeout limit by entering the num

ber of

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5.2.7 Script Files

The MCC-

545C must be programmed with the parameters that “fit” the

network that it is being used in, whether as a Base Station, Repeater, or

Remote Station.

This programming is

from the operator terminal into the MCC

A Script File can also be downloaded into a Remote Station via RF from the

Master Station.

The appropriate Script File is usually programmed int

factory prior to shipment

been entered, a new file can be loaded from your operator terminal using

XTermW software

545C to operat

e as a Remote Station in your specific network.

Other Script Files define application programs that are performed by the

station.

For example, the application for a Remote Station may be as a

mobile unit reporting position data or as a fixed site reporting

New Script Files may be entered into MCC

outlined in Section 3.3.3.5 and Appendix C

already loaded in the unit’s Parameter Memory (also called CPM), may be

made using the Station Con

5.2.8

CPU Power Mode

The CPU of the MCC

mode.

Use the _LPSTP command to select the CPU power mode

low-

power mode, the CPU uses a “hibernate” mode to conserve batter

power.

The _LPSTP command is displayed as a Factory Default Parameter.

To select low-

power mode, enter:

_LPSTP,ON

To select low-

power mode, enter:

_LPSTP,OFF

Important:

Using the CPU in high

545C Remote Station t

System Administrator to make certain whether the network configuration

Prerelease

DCN

545C must be programmed with the parameters that “fit” the

network that it is being used in, whether as a Base Station, Repeater, or

This programming is

accomplished by loading a Script File

from the operator terminal into the MCC

545C via the Operator (MNT) port

A Script File can also be downloaded into a Remote Station via RF from the

The appropriate Script File is usually programmed int

o the MCC

factory prior to shipment

If the appropriate Script File has already not

been entered, a new file can be loaded from your operator terminal using

There is one Script File that uniquely programs the MCC

e as a Remote Station in your specific network.

Other Script Files define application programs that are performed by the

For example, the application for a Remote Station may be as a

mobile unit reporting position data or as a fixed site reporting

New Script Files may be entered into MCC

545C using the procedures

outlined in Section 3.3.3.5 and Appendix C

Changes to a Script File that is

already loaded in the unit’s Parameter Memory (also called CPM), may be

made using the Station Con

figuration commands listed previously.

CPU Power Mode

The CPU of the MCC

-545C also runs in either high-

power or low

Use the _LPSTP command to select the CPU power mode

power mode, the CPU uses a “hibernate” mode to conserve batter

The _LPSTP command is displayed as a Factory Default Parameter.

power mode, enter:

Using the CPU in high

power mode causes that particular MCC

545C Remote Station t

o use higher power consumption. Check with your

System Administrator to make certain whether the network configuration

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545C must be programmed with the parameters that “fit” the

network that it is being used in, whether as a Base Station, Repeater, or

accomplished by loading a Script File

545C via the Operator (MNT) port

A Script File can also be downloaded into a Remote Station via RF from the

o the MCC

-545C at the

If the appropriate Script File has already not

been entered, a new file can be loaded from your operator terminal using

There is one Script File that uniquely programs the MCC

e as a Remote Station in your specific network.

Other Script Files define application programs that are performed by the

For example, the application for a Remote Station may be as a

mobile unit reporting position data or as a fixed site reporting

sensor data.

545C using the procedures

Changes to a Script File that is

already loaded in the unit’s Parameter Memory (also called CPM), may be

figuration commands listed previously.

power or low

-power

Use the _LPSTP command to select the CPU power mode

. While in

power mode, the CPU uses a “hibernate” mode to conserve batter

The _LPSTP command is displayed as a Factory Default Parameter.

power mode causes that particular MCC

o use higher power consumption. Check with your

System Administrator to make certain whether the network configuration

02/10/2012

requires the Remote to use low

5.2.9

Network Configuration

Selecting MCC-

545C Remote/Master Operation

The MCC-

545C can

Station.

Use the DEVICE command to select the mode you require.

For normal MCC-

545C Remote Station operation, enter:

DEVICE,REMOTE

For MCC-

545C operation as a Master Station, enter:

DEVICE,MASTER

Note:

Additional MCC

is selected. If you attempt to enter a Master Station command during

Remote Station operation, you will see the error “CMD not used for this

device type.”

Selecting Network Parameters

The

Selecting Network Parameters (

FleetTrak™ and Meteor Burst networks; however, the timing parameters

need to have a much higher range (longer periods of time) for meteor burst

communication systems than in line

MCC recommends using the given default network parameters (values that

are set on power-

up or after reset)

parameters, first review the discussion in this section, then use the

following commands to change to the desir

SNP

{,pname,value}

where “pname” is the network parameter and “value” is a limit dependent

on “pname”.

The “pname” parameters are as follows:

TTL – Time-to-

live in minutes (default is 120 minutes); this is the time limit

for a message to reach

545C Operations Manual

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requires the Remote to use low

power mode or not.

Network Configuration

545C Remote/Master Operation

545C can

operate as either a Remote Station or as a Master

Use the DEVICE command to select the mode you require.

545C Remote Station operation, enter:

DEVICE,REMOTE

545C operation as a Master Station, enter:

DEVICE,MASTER

Additional MCC

-545C commands are available when

DEVICE,MASTER

is selected. If you attempt to enter a Master Station command during

Remote Station operation, you will see the error “CMD not used for this

Selecting Network Parameters (

SNP

) command is used in both

FleetTrak™ and Meteor Burst networks; however, the timing parameters

need to have a much higher range (longer periods of time) for meteor burst

communication systems than in line

-of-sight operations.

MCC recommends using the given default network parameters (values that

up or after reset)

Before you choose to change these

parameters, first review the discussion in this section, then use the

following commands to change to the desir

ed settings:

{,pname,value}

where “pname” is the network parameter and “value” is a limit dependent

The “pname” parameters are as follows:

live in minutes (default is 120 minutes); this is the time limit

for a message to reach

its destination before it is deleted from the queue.

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operate as either a Remote Station or as a Master

Use the DEVICE command to select the mode you require.

DEVICE,MASTER

is selected. If you attempt to enter a Master Station command during

Remote Station operation, you will see the error “CMD not used for this

) command is used in both

FleetTrak™ and Meteor Burst networks; however, the timing parameters

need to have a much higher range (longer periods of time) for meteor burst

MCC recommends using the given default network parameters (values that

Before you choose to change these

parameters, first review the discussion in this section, then use the

where “pname” is the network parameter and “value” is a limit dependent

live in minutes (default is 120 minutes); this is the time limit

its destination before it is deleted from the queue.

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The time-to-live parameter input is truncated to a 10-minute boun¬da¬ry.

If you enter 60 through 69, the TTL for the next message will be 60

minutes. A resultant value of 0 (parameter range 0 – 9) means the message

will never time out.

TTR – Time-to-retransmit in minutes (default is 30 minutes); i.e., the

message is retransmitted if it has not reached its destination within this

time frame.

NUP – Neighbor-up threshold (default is 2 acquisitions); the number of times

a Station must hear from another Station within a one minute time interval

before it becomes a neighbor.

NDOWN,xx,yy – Neighbor-down threshold in “xx” minutes (default is 120

minutes), and “yy” is the number of times a Station attempts to

communicate with a neighbor before attempting to talk to another Station;

if there is no communication with a neighboring Station within the set

time, the route to that neighbor is ignored. Setting NDOWN to 0 maintains

the routing to the neighbor indefinitely.

RDOWN – Remote-down threshold in minutes (default is 2 minutes); if there

is no communication with a Remote Station within the set time, the

Remote is declared down and is removed from the Remote table. Setting

RDOWN to 0 keeps a Remote defined indefinitely.

OTL – Outstanding text limit (default is 20 texts); the number of messages a

Station is allowed to send to another Station without an end-to-end

acknowledgment.

CONNP (Master Station operation only) – Connectivity message precedence

(default is 1 precedence); information on changes in the connectivity table

is given highest precedence (automatic feature).

ETEAP – End-to-end ACK message precedence (default is 2 precedence);

the acknowledgment of a message when it reaches its final destination is

given highest precedence.

HTO – History file timeout in minutes (default is 5 minutes); maintains

information for duplicate filtering.

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TEXTL (Master Station operation only) – Text message packet size in

segments (default is 32 segments).

FLOODP (Master Station operation only) – Partial “flooding” precedence

level (default is A precedence). Messages of this precedence level and

above are transmitted over all routes of minimum length; messages below

this precedence are not sent over all minimum length routes, but are sent

only over the routes where the shortest transmit queues exist.

MBHOP – meteor burst link hop weight (default is 1 hop). Defines the

number of network hops to associate with a meteor burst Master Station

link when determining the minimum path to use in routing a message.

MBHOP should be set high enough to prevent a meteor burst Master Station

link to be chosen over a line-of-sight Remote to Remote link in a network

that is predominantly line-of-sight.

INF (Master Station operation only) – Infinity hop count (default is 8 hops).

Defines the width of the network in hops plus one to determine when

connectivity to a node is broken. Should be as low as possible to minimize

auto-connectivity traffic in the network, but large enough to not

erroneously flag nodes as being offline.

RELAY (Master Station operation only) – Relay function specification

(default is ON). Specifies whether the MCC-545C should act like a Remote

Station in terms of relay functionality (i.e., does not share connectivity

table with other Master Stations).

DATAP – Priority of data reports initiated at the MCC-545C (default is Y

precedence). When used in any data collection network, this setting

defines the precedence of data reports generated asynchronously by the

equipment itself. Typically, it should be lower than operator entered

messages and commands.

Message Accountability

SNP,TTL Message time-to-live

SNP,TTR Message time-to-retry

SNP,TEXTL Message packet size

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Message accountability guarantees that text messages get delivered to

their proper destinations within an allotted time. Data reports, position

reports, and remote commands/responses donot get this guarantee. They

get only one chance to get through the network.

Networks can have units go offline for various reasons; local noise can

interfere with RF links, congestion can slow throughput to a crawl, RF link

bit errors can cause segments of a message to get lost, etc. The more

complex a network is, the more chances there are to be problems.

Messages entered at each source unit specify a time-to-live (TTL); this time

is the maximum time to attempt to deliver it. If it is not delivered in this

time, the operator at the source unit is informed so something can be done

about it. The time-to-retry (TTR) is the number of minutes between

attempts to deliver the message. Once a message is sent, it goes through

the network one hop at a time and can get blocked at some point if the

connectivity changes suddenly. The retry attempts are separated to allow

network changes to settle out and establish alternate routes. When a

message is received by a destination, an end-to-end-acknowledgement

(ETE) is sent from the destination back to the source to stop any more

retries and let the operator know the message was received.

The maximum message size is determined by the text length (TEXTL)

setting. A message packet can consist of up to 3570 characters and is

further subdivided into segments. Each message is uniquely identified so it

can be tracked through the network and the ETE can be sent for each

individual message. The message ID consists of the originator ID (16 bits)

and message serial number (8 bits). Serial numbers range from 1 to 255 and

are assigned in round-robin order. Each message is then split into 14-byte

segments which are in sequence from 0 to 255. The segments allow the

message to be transmitted a little at a time over short meteor bursts. The

segment sequence numbers are used by the RF link software to identify

which ones are acknowledged and to indicate where to resume on each

burst.

The first segment (sequence number 0) is the message header and contains

all the network overhead (originator ID, message serial number, priority,

I/O port entered on, message type, number of destinations, number of

segments, time to live, retry count, multi-packet message serial number,

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packet sequence number, total number of packets and first destination ID

code). If the message has only one destination, segment 1 is the start of

the actual text. If there are multiple destinations, segment(s) 1, . . . n

contain the remaining destination codes, 7 destination codes per segment.

The text starts on the next segment after the last destination code.

Network Connectivity Tables

SNP,NUP Number of receptions for neighbor-up

SNP,NDOWN Number of minutes for Master neighbor down

SNP,RDOWN Number of minutes for Remote neighbor down

Network connectivity tables are automatically created and updated each

time a Master detects a new neighbor unit or times out an existing unit.

The NUP parameter gives the number of transmissions that must be

received in one minute to declare a new neighbor. The NDOWN parameter

gives the number of minutes with no receptions to time out a Master

neighbor. The RDOWN parameter gives the number of minutes to time out

a Remote neighbor. Setting NDOWN or RDOWN to “0” disables the feature

(i.e., never declare neighbors down). The NDOWN parameter can also be

set for the number of times a Station attempts to communicate with a

neighbor before attempting to talk to another Station.

Congestion Control

SNP,OTL Outstanding text limit

The OTL parameter specifies the maximum number of messages that will

be transmitted while waiting for ETEs. Limiting messages, as cars are

limited to entering the freeway at rush hour, tends to reduce congestion

and memory buffer usage in the network and reduce the number of retries

that happen as a result. Sending messages one at a time does not take

advantage of the overlap caused by the ETE needing to come back through

the network and does not take advantage of an occasional large burst that

can significantly improve throughput.

Network Control Messages

SNP,CONNP Priority for connectivity messages

SNP,ETEAP Priority for end-to-end-ack messages

SNP,FLOODP Priority level to initiate “flood-routing”

SNP,DATAP Priority for data reports

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The priority of network control messages should be set higher than the

data traffic. This setting makes sense if you realize that messages can not

get delivered as fast if the network connectivity is incorrect. Certain

applications may have reasons for altering these values but any revision to

the default priority scheme should be implemented carefully.

History Timeout

SNP,HTO History timeout for duplicate filtering

As each message is received by a unit, the originator ID and message serial

number are retained in a history table. The HTO parameter specifies how

long to retain each entry. Each received message ID is compared to this

table and if the message was previously received and has not timed out, it

is considered a duplicate message. The ETE is sent to the originator if it is a

text message type but the duplicates are not output to the I/O ports.

Duplicates happen due to network connectivity changes and retries.

Hop Count

SNP,INF Infinity hop count

The INF parameter specifies the maximum width of a network in hops + 1.

If this parameter is set lower that the actual network width, units will be

declared offline when they are not. If the number is set too high, extra

connectivity packets are exchanged when a unit goes offline and the

system looks for alternate routes.

SNP,MBHOP Meteor burst link hop weight

The MBHOP parameter defines the number of network hops to associate

with a meteor burst Master Station link when determining the minimum

path to use in routing a message. This parameter should be set high enough

to prevent a meteor burst Master Station link to be picked over a line-of-

sight Remote to Remote link in a generally line-of-sight network.

Message Relay

SNP,RELAY Enable/disable Master’s ability to relay messages for

other destinations

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The MCC-545C, when configured as a Master Station, reports all of its

neighbor connectivity to its neighbors when SNP,RELAY is set to ON. If it is

set to OFF, it does not report any neighbor connectivity. The OFF setting

keeps neighbor units from finding alternate network paths through that

node. This option should be left ON unless there is a very good reason to

have it OFF for some specific customer requirement.

Selecting the Burst Monitor

The MCC-545C has a unique meteor burst monitoring capability that allows

monitoring the number of characters received, the RF signal level and

other parameters on each reception.

To turn on the burst monitor and to record statistics on a meteor burst

link, type:

MON{,d{,r}}

The two optional parameters are designed to limit the printout. The burst

monitor generates two or three lines of printout for every burst. This could

conceivably create hundreds of pages of printout a day in a network

environment. The first parameter is the duration character count limit.

Only meteors lasting long enough to deliver “d” characters will be

monitored. The second parameter is the received character count limit; if

at least “r” characters are received on the burst, a monitor line will be

generated. The default values are 100 for “d” and 1 for “r”. For example,

to limit the printout, but still receive some maintenance benefit from the

monitor, enter:

MON,500,100

This will limit the printout to meteors that have a duration character count

greater than 500, or a received character count greater than 100. These

parameters may be adjusted as desired.

The command MONOFF turns off the burst monitor.

Controlling the Hourly Statistics Report

By default, an hourly statistics report is generated on the maintenance

terminal port on the hour. This report consists of the same statistic reports

generated by the BINS, MEM, and STAT commands.

The hourly report can be disabled by entering the command:

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HOURLIES,OFF

The hourly report can be re-enabled by entering the command:

HOURLIES,ON

5.3 Sending and Receiving Messages

The MCC-545C is a packet data radio and therefore enables an operator to

send and receive messages to all units within the FleetTrak™ network.

The messages may be entered from an operator terminal that is connected

to the OPERATOR PORT of the MCC-545C. There are three basic message

types:

1. Free-form text messages

2. Canned messages

3. Commands

The general format for all messages is shown below:

MESSAGE,p,dest1,dest2,...dest n

where: p = any priority level from A (highest) to Z (lowest).

dest n = numerical ID of the station(s) to which the

message will be routed.

The message text is then entered and edited in the Text Edit Buffer. They

are then transferred to one or more Tx Queue buffers for transmission to

the designated destinations.

Figure 14 depicts the general flow of messages within the MCC-545C

software and the various commands associated with each step in the

process.

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Figure 14: Message flow and associated commands

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The following operations are explained in this section:

Section Operations

4.3.1

Entering and Deleting Messages

4.3.2

Editing Messages

4.3.3

Sending Messages

4.3.4

Sending Commands

4.3.5

Sending Canned Messages

4.3.6

Receiving Messages

4.3.7

Examining Message Status

4.3.8

Examining and Revising Message Queues

5.3.1 Entering and Deleting Messages

All messages are composed and edited in the Text Edit Buffer. Messages

may be up to 3,570 characters in length. When composing the message you

must press [ENTER] at the end of each 80 character line.

There is a default destination programmed into the MCC-545C during the

installation and initialization of the unit when it is first brought on-line in

the network. If a message is not given a specific destination it will be sent

to the default destination only.

To enter a message:

1. Type MESSAGE. The operator terminal responds with ENTER TEXT.

The MCC-545C will now be in Compose-and-Edit mode (as opposed to

normal Command-Line Entry mode).

2. Enter a message up to 3,570 characters in length, pressing [ENTER]

at the end of each 80 character line.

3. Press the [ESC] key. The message is transferred to a Transmit queue

and will be automatically transmitted to the default destination at a

priority level R.

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The following message is displayed on the operator terminal:

hh:mm:ss

Message No:

hh:mm:ss

ROUTING name :

If you wish to send a message to multiple destinations, and at a different

priority level, type:

MESSAGE

,p,dest1,dest2,...dest n

where: p

dest n

Note:

If you also want to send the

must enter its station numerical ID as one of the destination parameters

(“dest1”, “dest2”, etc.) as specified above.

There are three other special editing functions that may be used:

To Retransmit the Previously E

To retransmit a previously entered message, simply press the [ESC] key

after the operator terminal prints

pressed.

The previous message entered into the Text Edit Buffer is then

sent to the destination

command.

To Revise the Previously Entered Message

To revise a previously entered message, press [CTRL]

TEXT

prompt to revise a previously entered message or to recover from an

aborted session.

The

at the end of the message

To Delete a Message

To delete a message after it has been placed in the Tx Queue, type:

DELMSG,ID:sss

where:

sss

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Proprietary and Confidential. Do Not Distribute.

The following message is displayed on the operator terminal:

Message No:

name:ss,nnnn chars, nnn segments

ROUTING name :

sss TXT sss/nn TO: name

If you wish to send a message to multiple destinations, and at a different

priority level, type:

,p,dest1,dest2,...dest n

= any priority level from A (highest) to Z (lowest).

= numerical

ID of the stations to which the

message is routed.

If you also want to send the

message to your default destination, you

must enter its station numerical ID as one of the destination parameters

(“dest1”, “dest2”, etc.) as specified above.

There are three other special editing functions that may be used:

To Retransmit the Previously E

ntered Message

To retransmit a previously entered message, simply press the [ESC] key

after the operator terminal prints

ENTER TEXT

and before any other key is

The previous message entered into the Text Edit Buffer is then

sent to the destination

s that are now designated in the

MESSAGE

To Revise the Previously Entered Message

To revise a previously entered message, press [CTRL]

after the

prompt to revise a previously entered message or to recover from an

The

previous message is displayed, with the cursor placed

at the end of the message

You may now resume editing the message.

To Delete a Message

To delete a message after it has been placed in the Tx Queue, type:

= numerical station ID

sss

= message serial number

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The following message is displayed on the operator terminal:

If you wish to send a message to multiple destinations, and at a different

= any priority level from A (highest) to Z (lowest).

ID of the stations to which the

message to your default destination, you

must enter its station numerical ID as one of the destination parameters

There are three other special editing functions that may be used:

To retransmit a previously entered message, simply press the [ESC] key

and before any other key is

The previous message entered into the Text Edit Buffer is then

MESSAGE

after the

ENTER

prompt to revise a previously entered message or to recover from an

previous message is displayed, with the cursor placed

You may now resume editing the message.

To delete a message after it has been placed in the Tx Queue, type:

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The operator terminal displays the date and time, followed by MESSAGE

DELETED.

5.3.2 Editing Messages

The following editing functions may be used from the keyboard while the

message is in the Text Edit Buffer.

Key Function

[DEL]

Dele

tes the last character entered.

[CTRL]R

Prints the current line of text on the next line down.

[CTRL]I

Performs a fixed tab function

Removes the current line from the edit buffer.

[ENTER]

Performs a carriage return and line feed.

[LF]

Performs a

carriage return and line feed.

[CTRL]X

Removes the current line from the edit buffer and places

the cursor at the end of the previous line.

[CTRL]T

Prints the contents of the edit buffer & puts cursor at the

end of text.

[CTRL]D

Erases the entire

contents of the edit buffer.

[CTRK]A

Aborts the edit mode and returns to the command mode.

A “+” indicates the command mode.

[ESC]

Leaves text edit mode and queues the message for

transmission.

5.3.3 Sending Messages

Messages are automatically stored for transmission with the [ESC] key. Each

message is placed in the Tx Queue according to its assigned priority.

Messages of equal priority are placed in the Tx Queue in the order received

from the Text Edit Buffer.

The following display appears on the operator terminal as the MCC-545C

stores and routes a message:

hh:mm:ss Message No: name:ss,nnnn chars, nnn segments

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hh:mm:ss ROUTING name :sss TXT sss/nn TO: name

Messages are transmitted in packets and are routed to their destination in a

Store-and-Forward manner, using the most efficient routing within the

packet switched network. The originating station receives an

acknowledgement (ACK) if the message has been received successfully by

the first routing station.

mm/dd/yy hh:mm:ss TXTMSG ACK name:sss, xxxx CHARS FROM name

When the entire message has been delivered to its final destination, the

operator terminal displays an end-to-end acknowledgement:

hh:mm:ss END-TO-END ACK OF name:sss FROM name

If the end-to-end ACK is not received within the specified time-to-live

limit, the MCC-545C purges the message from the Tx Queue and displays

the following message:

hh:mm:ss MESSAGE TIME-TO-LIVE EXPIRED, MSG.NO:sss, DESTN: name

You must then re-enter the message. Continued failure to successfully

transmit a message indicates that something may be wrong with the

equipment or the link (e.g., excessive noise interference).

5.3.4 Sending Commands

Commands may be sent to any station within the network. The entry of a

command is similar to the MESSAGE command described in Section 4.3.1.

REMCMD,R,dest1,dest2,...destn

where: R = priority level

dest = numerical ID of destination station(s)

The operator is then prompted to enter the text of the command using the

message editor. Once the command is entered, press the [ESC] key to send

the command. The operator terminal will display:

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A response is received from the destination station(s) if the command was

successfully received.

5.3.5

Sending Canned Messages

Important:

Do not use Canned Message mode except for laboratory test

The number of canned messages generated can quickly bring network

throughput to a stand

network. Canned messages displace data capacity, and may prevent

network users and stations from sending anythin

command to clear canned message queue(s).

The MCC-

545C may be placed into a canned message mode for automatic

transmission of a repetitive message to an assigned neighboring station

the canned message mode no more than 25

the Tx Queue at one time

message that is generated from the alphabet.

To enter a canned message generated from the alphabet, enter:

CANMSG

,id,mmmm{,qq}{,nnnn}

where:

mmmm

nnnn

The default queue depth is 5

automatically injected if the number of canned messages in the queue falls

below the minimum queue depth.

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A response is received from the destination station(s) if the command was

successfully received.

Sending Canned Messages

Do not use Canned Message mode except for laboratory test

The number of canned messages generated can quickly bring network

throughput to a stand

still in an operational FleetTrak™ or Meteor Burst

network. Canned messages displace data capacity, and may prevent

network users and stations from sending anythin

g out. Use the

command to clear canned message queue(s).

545C may be placed into a canned message mode for automatic

transmission of a repetitive message to an assigned neighboring station

the canned message mode no more than 25

messages may be placed into

the Tx Queue at one time

You may either send an edited text message or a

message that is generated from the alphabet.

To enter a canned message generated from the alphabet, enter:

,id,mmmm{,qq}{,nnnn}

= neighboring station ID

= message length from 1 to 3000 characters

= minimum queue depth from 1 to 25

nnnn

= total number of canned messages to generate

(maximum of 10,000)

The default queue depth is 5

Additional canned messages are

automatically injected if the number of canned messages in the queue falls

below the minimum queue depth.

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A response is received from the destination station(s) if the command was

Do not use Canned Message mode except for laboratory test

ing!

The number of canned messages generated can quickly bring network

still in an operational FleetTrak™ or Meteor Burst

network. Canned messages displace data capacity, and may prevent

g out. Use the

CANMSGOFF

545C may be placed into a canned message mode for automatic

transmission of a repetitive message to an assigned neighboring station

. In

messages may be placed into

You may either send an edited text message or a

To enter a canned message generated from the alphabet, enter:

= message length from 1 to 3000 characters

= total number of canned messages to generate

Additional canned messages are

automatically injected if the number of canned messages in the queue falls

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If the Total parameter was entered, the canned message mode stops when

the desired number of messages has been transmitted.

To enter an edited canned message, enter:

CANMSG,id

where “id” is the neighboring station’s ID. After composing your message

press the [ESC] key. The MCC-545C automatically routes up to 25 copies of

the canned message to the destination station.

Each canned message is acknowledged by the selected neighboring station.

No end-to-end acknowledgements are received for canned messages.

To manually terminate the mode, enter:

CANMSG OFF,id

Canned messages are normally not printed at the destination station. To

print canned messages as they are received, enter:

CANMSG MODE,PRINT

To turn off the print mode, enter:

CANMSG MODE,NO PRINT

5.3.6 Receiving Messages

When a new message is received, it is announced by the following display:

hh:mm:ss RECEIVING name:sss TXT sss/nn FROM name ROUTED TO: name

The MCC-545C then generates an acknowledgement of the message packet

and transmits the ACK to the neighbor from whom the message was

received:

hh:mm:ss TXTMSG ACK name:sss, nnnn CHARS FROM name

When the destination MCC-545C receives a complete message, it displays

the following message:

hh:mm:ss MSG RECEIVED name:sss, xxxx CHARS

text..................

**end-of-message**

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where “name:sss

” is the message serial number.

Messages are deleted as they are displayed

forwarded to further destinations.

5.3.7

Examining Message Status

The status of all messages may be examined while they are still in the Tx

Queue.

To examine the status messages destined for a particular station,

enter:

SMS{,id}

where:

Note: Once an end-

deleted from the queue.

5.3.8

Examining and Revising Message Queues

There are two types of queues for transmitting and receiving messages:

Queue name

Description

TXQ

(Transmit

Queue)

This queue is used for transmitting all messages. There is a separate

transmit queue for each neighboring station in the network. For

example, if you enter a message for DEST1, that message is placed in

DEST1’s transmit qu

RXQ

(Receive

Queue)

This queue is used for all received messages. There is a separate

receive queue for each neighboring station in the network. For

example, to examine message statistics from NODE5, examine the

receive queue from NODE5.

To examine

the contents of either queue, type:

SHOW TXQ

,id

You must specify the queue by entering the station ID

TXQ,006

displays statistics for all messages being transmitted to station

006.

You can only examine the receive and

stations in the network.

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” is the message serial number.

Messages are deleted as they are displayed

or printed unless they are being

forwarded to further destinations.

Examining Message Status

The status of all messages may be examined while they are still in the Tx

To examine the status messages destined for a particular station,

= station ID

end acknowledgement is received for a message, it is

deleted from the queue.

Examining and Revising Message Queues

There are two types of queues for transmitting and receiving messages:

Description

This queue is used for transmitting all messages. There is a separate

transmit queue for each neighboring station in the network. For

example, if you enter a message for DEST1, that message is placed in

DEST1’s transmit qu

eue.

This queue is used for all received messages. There is a separate

receive queue for each neighboring station in the network. For

example, to examine message statistics from NODE5, examine the

receive queue from NODE5.

the contents of either queue, type:

,id

or SHOW RXQ,id

You must specify the queue by entering the station ID

For example,

displays statistics for all messages being transmitted to station

You can only examine the receive and

transmit queues for neighbor

stations in the network.

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or printed unless they are being

The status of all messages may be examined while they are still in the Tx

To examine the status messages destined for a particular station,

end acknowledgement is received for a message, it is

There are two types of queues for transmitting and receiving messages:

This queue is used for transmitting all messages. There is a separate

transmit queue for each neighboring station in the network. For

example, if you enter a message for DEST1, that message is placed in

This queue is used for all received messages. There is a separate

receive queue for each neighboring station in the network. For

example, to examine message statistics from NODE5, examine the

For example,

SHOW

displays statistics for all messages being transmitted to station

transmit queues for neighbor

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To delete the contents of the transmit and receive queues, you must

specify the exact queue by entering a station name:

FLUSH TXQ,id or FLUSH RXQ,id

For each message deleted, the terminal displays:

id:sss unlinked {and deleted}

The “and deleted” text appears only if the message is not present in

another queue. When all messages have been deleted, the terminal

displays:

queue flushed

To delete a specific message, enter:

DEL MSG,id:sss

The terminal displays:

Message deleted

To delete all messages from all queues, enter:

FLUSH MSG

For each message deleted, the terminal displays:

id:sss deleted

Entering the FLUSH MSG command deletes all messages in all queues for

every node of the network, including connectivity and end-to-end

acknowledgment messages.

5.4 GPS Position Reporting

The MCC-545C automatically transmits position reports derived from either

an external GPS receiver or from its own internal GPS receiver. The

appropriate script file must be loaded into the MCC-545C that allows it to

interface to the protocol used by a particular GPS. The NMEA 0183 Version

2.0 protocol is used in this section for descriptive purposes only. Please

consult MCC regarding script files for other protocols.

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The MCC-545C will accept either a TTL or an RS-232 input from a GPS

receiver. The internal GPS uses the TTL interface and its output is

internally routed to the processor board assembly. If an external GPS is

used it may be connected to either the AUX port or the Data port using the

RS-232 interface.

5.4.1 Position Reporting Commands

The following commands are normally in a script file and are used for

configuring the MCC-545C for position reporting.

Command Description

ASSIGN,POS,p,GPS

Port selection for transmission of GPS

data.

p = Selects the desired port:

2 = External AUX, RS-232

3 = Internal TTL

SETBAUD,POS,4800,N,8,1

Set up parameters for the selected port

For example:

4800 = Baud rate

N = Parity

8 = Data Bits

1 = Stop Bit

POS,nn,TEXT,NMEA nn

Transmit interval in seconds of a position

report to the system host.

TEXT = Binary Text

NEMA = Protocol type

Note: Each time a report is transmitted to the Host it

may also be sent to one of the local ports.

POS,LOCAL,nn nn

The time interval

in seconds between reports

sent to a local port.

Note: This feature is used when more frequent position

reports are desired on a local operator terminal than

are being sent to the Host.

POSRPT,ON ON

Used to display position reports from other

remotes on a local operator terminal.

OFF = Disable

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5.4.2 Differential GPS

MBNET200 (ELOS protocol) may be used to broadcast differential correction

data to all Remote Stations in the network. This eliminates the need for

having a differential GPS receiver at each MCC-545C mobile unit.

Differential beacon receivers are installed at base or repeater stations

only. The base stations then transmit the RTCM correction data at periodic

intervals to all repeaters and mobiles.

The ASSIGN and SETBAUD commands are used to configure the base stations

to use a beacon receiver.

Command Description

ASSIGN,POS,p,RTCM,nn

Port selection for transmission of RTCM data.

P = Port number, normally AUX port (2)

is used.

Nn = The interval, in seconds, that the

RTCM error correction data is

transmitted. A value of 20 seconds

provides reasonable accuracy.

SETBAUD,POS,4800,N,8,1

Set up parameters for the selected port

For example:

4800 = Baud rate

N = Parity

8 = Data Bits

1 = Stop Bit

A remote station will automatically receive and process the RTCM

correction data. No other configuration commands are required.

5.4.3 GPS Report Formats

There are two position report formats used. The POS format is the basic

report and has latitude, longitude, speed, heading and altitude. The POSS

format includes all the information above but also has a 16-bit status word

and an 8-bit code for appending canned messages. An example of each type

of format is shown in Figure 4.2.

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Figure 15: Position report formats

The Status bit field is application dependent and is normally defined by the

user. For non-maritime applications speed is converted from knots to MPH

on the operator’s display.

The GPS status bits define if the GPS receiver is locked and the accuracy of

the data.

GPS not locked; position data is not valid.

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GPS locked without differential correction.

GPS locked with differential correction.

Standard V1 accuracy will be about ±10 meters. V2 accuracy will normally

be ±2 meters and is dependent on the RTCM broadcast rate and the

distance between the mobile and the nearest base station.

5.4.4 GPS Receiver Setup

The setup procedure for a GPS receiver is generally different for each

manufacturer’s type. Connect a laptop or PC to the GPS receiver for

entering the desired sentences and update interval. A NMEA type GPS must

be configured as follows:

Type of sentence

Update interval

Status

GPRMC 1 second

Required

GPGGA 1 second

Required

GPVTG 1 second

Optional

The TRACE command may be used to verify correct GPS operation:

TRACE,ON,GPS

All characters received will be displayed on the Operator Port, including

sentence types. Verification that the position report is being transmitted at

the desired POS,nn interval may also be observed.

To disable the display output, enter:

TRACE,OFF

5.4.5 Position Reporting in Subnets

The SUBNET command assigns a subnet code number from 1-255. The code

number is maintained in the locked configuration parameter list along with

the serial number, customer number and frequency table. The command

formats are:

SUBNET

Display current subnet setting

SUBNET,OFF

Turn off the subnet number (must be unlocked)

SUBNET,nnn

Define a subnet number (must be unlocked)

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After entering a subnet number and all the other configuration items, ent

LOCK,CONFIG

to lock the current setting.

The SUBNET

command is used in conjunction with the

command to limit the position reports that can be received to only those

transmitted by other units with the same subnet code or any Base or

Repeater. If

SUBNET

The default setting is

Messages and remote commands are

sent to or received from any other unit.

Important: The

$PENTM,ON

format reports, which will include the 16

(The SUBNET ID

replaces the MCC

SUBNET and

$PENTM,ON

5.5

Supervisory Control and Data Acquisition

The MCC-

545C is designed to perform a supervisory control and data

acquisition (SCADA) function using one of three modes

Sensor I/O Port

External Data Loggers

Direct Mode Protocol

This section covers these three m

operations, including defining Data Relays, the

to read the MCC-

545C’s internal sensor values, and details on the

data logger device drivers.

5.5.1 Sensor Port

A limited SCADA capability is built in fo

logger capability is not required

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After entering a subnet number and all the other configuration items, ent

to lock the current setting.

command is used in conjunction with the

$PENTM,ON

command to limit the position reports that can be received to only those

transmitted by other units with the same subnet code or any Base or

SUBNET

is OFF

, then the unit can receive all position reports.

The default setting is

OFF.

Messages and remote commands are

not

limited to the subnet and can be

sent to or received from any other unit.

$PENTM,ON

command must be entered to enable the POSS

format reports, which will include the 16

-bit status and 8-bit

SUBNET ID

replaces the MCC

545C’s “normal” canned message.) Using

$PENTM,ON

precludes the use of canned message mode.

Supervisory Control and Data Acquisition

545C is designed to perform a supervisory control and data

acquisition (SCADA) function using one of three modes

External Data Loggers

Direct Mode Protocol

This section covers these three m

odes, plus more advanced SCADA

operations, including defining Data Relays, the

PASSTHRU

command, how

545C’s internal sensor values, and details on the

data logger device drivers.

A limited SCADA capability is built in fo

r those applications when a full data

logger capability is not required

The following capability is provided:

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After entering a subnet number and all the other configuration items, ent

$PENTM,ON

command to limit the position reports that can be received to only those

transmitted by other units with the same subnet code or any Base or

, then the unit can receive all position reports.

limited to the subnet and can be

command must be entered to enable the POSS

SUBNET ID

545C’s “normal” canned message.) Using

precludes the use of canned message mode.

545C is designed to perform a supervisory control and data

odes, plus more advanced SCADA

command, how

545C’s internal sensor values, and details on the

GENERIC

r those applications when a full data

The following capability is provided:

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• 4 optically isolated inputs for discrete ON/OFF functions

• 6 analog voltage inputs (0 to 5V)

• 2 SPDT Form C relay outputs

In addition,±12VDC is supplied for sensor power and a +5V reference

voltage for sensor excitation is available.

The Sensor port interface is a 25-pin male D connector. The connector

pinouts and their respective functions are shown below.

The analog voltages are routed to a 10-bit analog-to-digital converter (ADC)

which provides a resolution of +/-.1% and an accuracy over temperature of

±0.5%.

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SENSOR PORT

Pin Signal

Optocoupled input #1 positive

(500 ohm resistor)

Optocoupled input #1 return

Optocoupled

input #2 positive

(500 ohm resistor)

Optocoupled input #2 return

Optocoupled input #3 positive

(500 ohm resistor)

6 Optocoupled input #3 return

Optocoupled input #4 positive

(500 ohm resistor)

Optocoupled input #4 return

Ground

Relay Output #1 Normally Open

(2 Amp rating)

Relay Output #1 Common

Relay Output #1 Normally Closed

(2 Amp rating)

Relay Output #2 Normally Open

(2 Amp rating)

Relay Output #2 Common

Relay Output #2 Normally Closed

(2 Amp rating)

Switched +12V (battery)

Analog Input #1 ( 0 to 5 V)

Analog Input #2 ( 0 to 5 V)

Analog Input #3 ( 0 to 5 V)

Analog Input #4 ( 0 to 5 V)

Analog Input #5 ( 0 to 5 V)

Analog Input #6 ( 0 to 5 V)

+5V Reference

(10mA for sensor excitation)

+12V (0.5A maximum)

Detected RF Test Point

A 25-pin terminal block is a convenient means for interfacing to the various

sensors and control points.

02/10/2012

Note: In -

03 series or later radios, the Sensor I/O connector pin #16 has

been changed from ground to a switched +12 volt (battery). This switched

+12 volt can be used to drive sensors. The total current load on the +12 volt

and switched +12 volt must not exceed

control the +12 volt switched output (see Section 4.6)

5.5.2

External Data Loggers

Any data logger that MCC supports and has an RS

connected to any one of the 3 ports on the MCC

AUX Port is used

connector:

Function

TX Data

RX Data

Ground

Three commands are required to configure the Data Port for proper

operation with the particular data logger being used:

ASSIGN

,DTA,OFF

ASSIGN,DTA,1,

SETBAUD,DTA,9600

The first command clears any previous assignments that still may be in

effect for the DTA Port

data logger and protocol to the DTA Port

rate for the DTA Port

may be obtained from MCC or your System Administrator.

5.5.3

Direct Mode Protocol

The DIRECT MODE

a peripheral device conne

anywhere within the FleetTrak

directly through the MCC

data to its destination in the same format as it was entered at the sou

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Proprietary and Confidential. Do Not Distribute.

03 series or later radios, the Sensor I/O connector pin #16 has

been changed from ground to a switched +12 volt (battery). This switched

+12 volt can be used to drive sensors. The total current load on the +12 volt

and switched +12 volt must not exceed

500mA. Use EVENT

programming to

control the +12 volt switched output (see Section 4.6)

External Data Loggers

Any data logger that MCC supports and has an RS

232 interface may be

connected to any one of the 3 ports on the MCC

-545C.

Normally, the Data

AUX Port is used

You may connect to either port using a 9

Three commands are required to configure the Data Port for proper

operation with the particular data logger being used:

,DTA,OFF

ASSIGN,DTA,1,

type

SETBAUD,DTA,9600

The first command clears any previous assignments that still may be in

effect for the DTA Port

The second command assigns a specific type of

data logger and protocol to the DTA Port

The third command sets the

rate for the DTA Port

The specific type of data loggers that MCC supports

may be obtained from MCC or your System Administrator.

Direct Mode Protocol

DIRECT MODE

protocol is used for the transmission of binary data from

a peripheral device conne

cted to one of the MCC-

545C’s serial ports t

anywhere within the FleetTrak

network.

The serial data stream passes

directly through the MCC

545C in a “transparent” mode, delivering the

data to its destination in the same format as it was entered at the sou

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00001789-A

03 series or later radios, the Sensor I/O connector pin #16 has

been changed from ground to a switched +12 volt (battery). This switched

+12 volt can be used to drive sensors. The total current load on the +12 volt

programming to

232 interface may be

Normally, the Data

You may connect to either port using a 9

-pin “D” type

Three commands are required to configure the Data Port for proper

The first command clears any previous assignments that still may be in

The second command assigns a specific type of

The third command sets the

baud

The specific type of data loggers that MCC supports

protocol is used for the transmission of binary data from

545C’s serial ports t

The serial data stream passes

545C in a “transparent” mode, delivering the

data to its destination in the same format as it was entered at the sou

rce.

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The serial data stream may originate from a data logger, message device,

or any peripheral that has an RS

Note: The

DIRECT MODE

networks, especially with external data loggers.

DIRECT MODE

operation is similar to a “terminal server” on PC Ethernet

Networks.

The MCC

on one of its ports (Operator, Data, or AUX), packetizes the data into

message segments and transmits it to one or more dest

the CSMA mode.

The throughput rate will be dependent on channel

availability at the time of transmission.

The DIRECT

protocol is general in nature and allows the connecting

equipment at the source and destination to manage all error co

FleetTrak

 message acknowledgement protocol can also be used as an

option to ensure reliability of message delivery

selected using the

ASSIGN,DTA,1,DIRECT,30

This command would s

with a 30 second time out connection

independently and operate simultaneously.

Connection Management

A connection between the external equipment and the MCC

ing a “connect string.” The transfer then begins and continues until the

connection is terminated

assumed to exist and the data is then automatically routed through the

network to the destination equipment

connection: a permanent connection or an ad hoc connection.

Permanent Connection

The permanent connection is made by setting the connect string

keeps the port open at all times and all characters received will

tomatically be transmitted

port and the connection does not terminate

received from the destination will be routed to the local port for printing.

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The serial data stream may originate from a data logger, message device,

or any peripheral that has an RS

-232 interface.

DIRECT MODE

protocol can also be used in Meteor Burst

networks, especially with external data loggers.

operation is similar to a “terminal server” on PC Ethernet

The MCC

545C will accept any stream of unformatted characters

on one of its ports (Operator, Data, or AUX), packetizes the data into

message segments and transmits it to one or more dest

ination addresses in

The throughput rate will be dependent on channel

availability at the time of transmission.

protocol is general in nature and allows the connecting

equipment at the source and destination to manage all error co

 message acknowledgement protocol can also be used as an

option to ensure reliability of message delivery

. The DIRECT

selected using the

ASSIGN

command, as shown in this example:

ASSIGN,DTA,1,DIRECT,30

This command would s

et up DATA port 1 to use the DIRECT

protocol mode

with a 30 second time out connection

Any, or all, ports can be set up

independently and operate simultaneously.

A connection between the external equipment and the MCC

545C is made

ing a “connect string.” The transfer then begins and continues until the

connection is terminated

The proper connections at the destination are

assumed to exist and the data is then automatically routed through the

network to the destination equipment

. T

here are two ways to establish a

connection: a permanent connection or an ad hoc connection.

The permanent connection is made by setting the connect string

keeps the port open at all times and all characters received will

tomatically be transmitted

A connect string is not required to open the

port and the connection does not terminate

Likewise, all characters

received from the destination will be routed to the local port for printing.

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00001789-A

The serial data stream may originate from a data logger, message device,

protocol can also be used in Meteor Burst

operation is similar to a “terminal server” on PC Ethernet

545C will accept any stream of unformatted characters

on one of its ports (Operator, Data, or AUX), packetizes the data into

ination addresses in

The throughput rate will be dependent on channel

protocol is general in nature and allows the connecting

equipment at the source and destination to manage all error co

ntrol. The

 message acknowledgement protocol can also be used as an

protocol is

command, as shown in this example:

protocol mode

Any, or all, ports can be set up

545C is made

ing a “connect string.” The transfer then begins and continues until the

The proper connections at the destination are

assumed to exist and the data is then automatically routed through the

here are two ways to establish a

connection: a permanent connection or an ad hoc connection.

The permanent connection is made by setting the connect string

OFF. This

keeps the port open at all times and all characters received will

A connect string is not required to open the

Likewise, all characters

received from the destination will be routed to the local port for printing.

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Ad Hoc Connection

A connect string from 1 to 19 characters is used to open a connection on an

ad hoc basis. The connection will remain open for as long as characters are

being received or the connection times-out, whichever occurs first. Once

the connection times-out it must be reestablished.

If the connect string is unknown, the command ANY will open the

connection for any string of characters.

Connect Response

A connect response string may be enabled so that the peripheral device

initiating the message will receive confirmation that the connection has

been made. If the connect response string is turned OFF then no response

will be sent when the connection is made.

Message Management

A message may be as long as 3,500 characters. Each message is assigned a

sequence number and is broken up into a number of packets. A message

header is inserted into each message ahead of the first data character.

$DIR,p,m,s,n

where: p = the assigned port to which the message is directed.

m = the message sequence number from 1-2554

s = the packet sequence number in a multi-packet message

n = total number of packets in a message

A message will be appended with either a terminator character or a

maximum character count. The message will be terminated by either one

of these characters or the “time-out” whichever occurs first.

Shorter messages are normally contained in a single packet with the s,n

parameters set for 1,1. Longer messages will have several packets

contained within the same message number “m”. The “s” parameter for

each packet will be incremented but the “n” parameter will be set to 0.

The true “n” value is only transmitted with the last packet in the message.

For example, for a 3 packet message the s,n and m parameters will be as

follows:

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$DIR, p, m, s, n

Packet 1 1 1 0

Packet 2 1 2 0

Packet 3 1 3 3

Messages may be transmitted from one to four destinations. When a

DIRECT message is received at the destination MCC-545C, it will be routed

to the assigned port(s) (Operator, Data or AUX). There are two types of

connections that may be used: point-to-point and multi-point-to-single-

point.

Point-to-Point

In the point-to-point mode the destination MCC-545C must also be pre-

programmed in the DIRECT mode. When the message is received at the

destinations, the $DIR,p,m,s,n header will be removed from the message

and the message will be routed to the same port that was used at the

source. That is, messages that were originated on Port 1 must also be

routed to Port 1 at the destination.

The destination unit can respond with its own character stream back to the

source. This provides a direct point-to-point, bi-directional channel

between the two stations. The embedded ETE acknowledgement in the

ELOS protocol may be used for ensuring message delivery.

Multi-Point-to-Single-Point

Many remotes can be set up to operate in the DIRECT mode, all routing

their data to a common destination (base station or Host). The destination

station does not have to be pre-programmed in the DIRECT mode as in the

point-to-point case. The destination station will treat the message as it

would for any other text message, using one of the many available port

protocols. The message header, $DIR,p,m,s,n, is retained with the message

so that the destination station will know how to format a return message to

the source station. In this manner, the Host can send response packets to

all sources by appropriately formatting the message header.

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Messaging Options and Commands

Various options may be set up in the MCC-545C using the command DIRECT

with the parameters shown in the following list. Each command is briefly

described below:

Command List:

DIRECT

DIRECT, p, CONNECT STRING, OFF

DIRECT, p, CONNECT STRING, ANY

DIRECT, p, CONNECT STRING, connect-text-string

DIRECT, p, CONNECT RESPONSE, OFF

DIRECT, p, CONNECT RESPONSE, response-text-string

DIRECT, p, PACKET TIMEOUT, decimal-timeout-ticks

DIRECT, p, PACKET TERMINATOR, OFF

DIRECT, p, PACKET TERMINATOR, decimal-char-code

DIRECT, p, MAX PACKET, length

DIRECT, p, ETE, ON

DIRECT, p, ETE, OFF

Command Detailed Descriptions:

DIRECT

When used without any parameters the current port settings will be

displayed

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DIRECT, p, CONNECT STRING, OFF

Disables the connect string option. The MCC-545C will not expect a

connect string and will stay connected all the time.

DIRECT, p, CONNECT STRING, connect-text-string

Defines a text string of up to 19 characters that is output by the external

equipment to establish a connection with the MCC-545C DIRECT port

task. The MCC-545C will receive the connect string and output the

connect response string if one is defined.

DIRECT, p, CONNECT STRING, ANY

Defines that any unspecified text string will be acceptable to establish a

connection.

DIRECT, p, CONNECT RESPONSE, OFF

Disables the response string option.

DIRECT, p, CONNECT RESPONSE, response-text-string

Defines a text string to be output by the MCC-545C to the external

equipment to confirm a connection has been established.

DIRECT, p, PACKET TIMEOUT, decimal-timeout-ticks

Defines the timeout period in 1/16 second clock increments that marks

the end of a packet. After each character of the packet is received the

timer is reset. After the last character has been received and the

timeout passed, the characters received will be placed in a message and

queued for transmission.

DIRECT, p, PACKET TERMINATOR, OFF

Disables packet termination using a specified character code.

DIRECT, p, PACKET TERMINATOR, decimal-char-code

Enables packet termination when the given character code is received.

For example, using a carriage return to terminate each packet will

transmit each line of input as a separate message. The decimal code for

carriage return is 13. The decimal code for linefeed is 10.

DIRECT, p, MAX PACKET, length

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Defines the maximum length of a message. As characters are received

they are filled into a buffer and when the maximum size is reached a

new message is transmitted. The longest message that can be used by

the MCC-545C is 3,500 characters.

DIRECT, p, ETE, ON

Defines the “reliable” type of message delivery. The source unit will

retain each transmitted message and periodically retry them until the

destination unit receives them and sends an end-to-end-

acknowledgement for each message. It is possible for messages to be

delivered out of sequence when a retry has occurred causing duplicate

messages. These duplicate messages will be filtered out.

DIRECT, p, ETE, OFF

Disables the “reliable” type of message delivery. The source unit will

not retain each transmitted message for retries. Each message will be

deleted as soon as transmitted. It will be the responsibility of any

receiving equipment to manage the message reliability. If any message

gets lost in the RF network, then all characters in that message will be

lost.

5.5.4 Defining Data Relays

The ambient noise conditions at a remote station site may sometimes be

excessive and a poor communication path to the Master Station will result

particularly if the remote station is operating in a meteor burst mode. To

overcome this problem, another MCC-545C may be placed in a nearby quiet

location and used as relay station between the MCC-545C at the noisy site

and its master station. When used as a relay, the MCC-545C will

concentrate the data reports it receives from one or more neighboring

remote sites and forwards the data to the Master Station.

When used in the relay mode, the MCC-545C must be defined as a Master

Station. The relay will then receive MCC-550C sensor data GROUP reports

(see MCC-550C Operations Manual), repackage them and forward them to

the Master Station. A relay can handle a total of sixteen GROUP reports.

These reports can be in any combination; i.e., four groups from each of

four Remote units, one group from each of sixteen Remote units or any

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combination in between. Substitution tables must be established in both

the relay unit and also at the Master Station to manage the relay function.

When a designated GROUP report is received at the relay, it will substitute

its own ID and group number in the report as defined in its substitution

table and forward the data to a MCC-520B Master Station using the MCC-

550C RF format rather than the standard MCC-545C message format. When

the relayed data is received at the MCC-520B it reconstructs the original

data report based on its own substitution table and route the report as

required.

The following command is used to define the entries in the substitution

table for a relay unit:

SUBST,relay_id,relay_group,remote_id,remote_group

where: relay_id = relay unit’s ID

relay_group = data group report number at the relay

remote_id = originating Remote unit’s ID

remote_group = data group report number at the

originating Remote unit

5.5.5 I/O Port PASSTHRU

The PASSTHRU command allows a bi-directional connection to be made

between the different I/O ports of the MCC-545C. This will allow the

operator to configure one port to be connected to another port in a direct

ASCII mode where any characters coming in on one port will go out on the

other port, and vise-versa. For example: the command PASSTHRU,1,2

allows characters entered on port 1 to go out port 2, and characters

received on port 2 will go out port 1. There can be from 0 to 2 different

pass-through connections defined at any time. All ports given in a pass-

through connection must be assigned to some protocol and baud rate

before entering the PASSTHRU command. An error will be displayed if they

are not.

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Data coming in from a passed-through port will not be passed to the

assigned protocol driver and will be sent out the “other” port of the

connection.

The connection can be turned off by entering PASSTHRU,OFF,n where “n”

is either port in the connection. In addition either port in a pass-through

connection can output the string PASSTHRU,OFF to close its own

connection. The first method can be used from the operator port to close a

connection of other ports. The second method is used by the operator port

if it is one of the ports in the pass-through connection.

If port 1 is assigned to a CR10X driver, and port 0 is the operator port, then

the command PASSTHRU,0,1 allows the operator port to be connected

directly to the CR10X. One can then use XTermW or PC208 to talk to the

CR10X via the operator port without re-connecting cables.

5.5.6 Internal Sensor Values

The new MCC-545C -03 and later radios have the capability to read a

number of internal sensor values. These include:

• Internal temperature of the MCC-545C unit

• Internal rechargeable battery level

• External battery levels (loaded and unloaded)

These sensor values can be read using the EVENT command – refer to

Section 4.6.8 for details on how to program the MCC-545C to read these

values.

5.5.7 Generic Data Logger

The MCC-545 family of RF Modems includes a set of device drivers for its

serial ports. These have been customized for various external devices,

depending on the device requirements. The SDATA command allows a

simple text-based interface to send data groups to the MCC-545C for

transmission to the master. Any customer who can configure their data

report to meet this format can interface their data logger with no change

in the MCC-545C software. From 1 to 16 groups can be input, and there can

be from 1 to 16 sensors per group. Each sensor data value is formatted into

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a 16-bit binary value for transmission, then converted to engineering units

by the Data Center or Host software.

Some date loggers have a complex and non-configurable interface protocol,

and cannot meet any of the currently implemented protocols, but they can

output data reports on a serial port as if it were connected to a line

printer. The GENERIC data logger driver has been created for this type of

interface. Some things can be setup by user commands to configure the

report parsing, within a limited set of constraints, and allow the MCC-545C

to create SDATA type messages from the ASCII text reports.

The following sections describe what can be done to adapt the MCC-545C

to a variety of report formats.

Typical Report Formats

A typical report printed by a data logger has one line, or a set of lines for

each report. There are usually two types, single-line reports, and multiple-

line reports. An example of each type would be as shown below:

Single line report examples:

123.4 19.8 33 99 -1089.45 ...<cr><lf>

10/14/02 09:15:00 +123.4 +19.8 +33 +99 -1089.45 ...<cr><lf>

Note that the report ends with carriage return and linefeed characters, and

may or may not display a date and/or time. The data fields are usually

separated by blanks, and the data values may or may not contain a sign or

decimal point. The line is usually output by the data logger as the report is

placed into the devices' memory in real-time. There is no provision for

error checking, but if the serial port cable is wired correctly with shielding,

etc., it may be reliable enough.

Multiple line report examples:

No Time Tag With Time Tag With Sensor Labels

123.4<cr><lf>

10/14/02 09:15:00<cr><lf>

Date/Time: 10/14/02 09:15:00<cr><lf>

19.8<cr><lf>

+123.4<cr><lf>

AC Voltage

+123.4<cr><lf>

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33<cr><lf>

+19.8<cr><lf>

DC Voltage

+19.8<cr><lf>

99<cr><lf>

+33<cr><lf>

Pulse Count

+33.0<cr><lf>

1089.45<cr><lf>

+99<cr><lf>

Error Code

+99.0<cr><lf>

1089.45<cr><lf>

Pressure

1089.45<cr><lf>

If the generic device driver software is set up to “poll” for data by

outputting a command string, then the data report may need to be

processed as a multiple line report even when the data logger outputs only

one line. This can happen if the data logger “echoes” the polling command.

The generic device driver will “see” the echoed command as part of the

data report response.

Setup and Configuration

The MCC-545C generic data logger driver can configure the following:

• Report type (single-line, multi-line)

• Group ID Number (Auto generated, Location in report, Fixed)

• Date (Auto generated, Location in report, Format of date characters)

• Time (Auto generated, Location in report, format of time characters)

• Sensor Values (Auto free-format, Location in report)

• Poll command definition

• Start-of-report definition

• Remote Commands

Each operator command begins with the command name and port number

as shown in the following command. Example: GENERIC,1,TYPE,AUTO.

Selecting the Generic Protocol for a Port

The ASSIGN command is used to define the device driver to use on a port.

As an example, the command ASSIGN,DTA,1,GENERIC,5 will assign the DTA

function to use port 1 (the DATA port), and run the GENERIC data logger

device driver with a 5 second timeout. Use the SETBAUD,DTA,9600

command to specify a baud rate for the port. Any port (0-3) can be used,

and multiple ports can select the generic device driver at the same time.

Port 0 is usually reserved for a operator terminal, and port 3 is an internal

GPS port. That means ports 1 and 2 are open for external devices.

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Viewing the generic device driver setup

Enter the GENERIC command with no parameters to display the current

setup for all active ports. The following example response shows a typical

setup with only port 2 set up for generic operation.

+generic 12/11/01 10:54:32

Rpt Group................... Date......... Time......... Sensor.......

P Type Type N L# S E Scale Type L# S E Type L# S E Type L# S E

= ==== ===== == == == == ===== ==== == == == ==== == == == ==== == == ==

2 LINE FIXED 02 00 00 00 0.058 LINE 01 10 16 LINE 01 18 25 LINE 02 22 32

Report:DATE/TIME: Date:YY/MM/DD Time:HH:MM:SS

From the report one can see that only port 2 is configured, and the other

ports have a report type of OFF. The Group section has 5 fields: Type,

Number, Line number, Start column, End column, and Scale factor. This

line shows the group is fixed at group number 2. The Date, Time and Sensor

sections each have 4 fields: Type, Line number, Start column, End column.

The date is on line 1 between columns 10 and 16. The time is on line 1

between columns 18 and 25. The first sensor value is on line 2 between

columns 22 and 23, and the remaining lines of the report will each contain

1 sensor value between columns 22 and 23. The sensor values can be scaled

by the multiplying factor shown in the Scale column. (The default scale is

“1”.)

The line following the port 2 line shows additional options for that port.

Shown here are the start-of-report string, the date format, and the time

format. Only options selected will be shown on this line. All of the settings

in this generic driver table are saved in the non-volatile memory of the

MCC-545C.

Report Type: GENERIC,P,TYPE,{AUTO,LINE,OFF}

This command selects whether the report is in a single-line format or

multiple-line format. AUTO specifies single-line with free format, and LINE

specifies the multiple-line format. The OFF option is provided to turn off a

previously set-up port.

Reports are parsed from sets (bursts) of characters read into a 1024 byte

buffer. The end of the data set will be signaled by a timeout period with no

more characters being received. The timeout is taken from the ASSIGN

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command described earlier. When each set is finished being processed, the

input buffer is cleared to wait for the next set of characters.

AUTO Format

For the simplest AUTO report type, with no group number, date or time

stamp, each line will be parsed from left to right using blanks and commas

as delimiters between data values. The carriage return and line feed

characters are also ignored. The first group report will take up to 16 data

values, then the next 16 go into group 2, the next 16 into group 3, and so

on until the last character has been reached.

For example, consider the following set of characters:

1 2 3 4 5 6 7 8 9 10<cr><lf>

11 12 13 14 15 16 17 18 19 20<cr><lf>

21 22 23 24 25 26 27 28<cr><lf>...timeout

This character set will create two groups where the values 1-16 will go into

group 1, and the values 17-28 will go into group 2. Each report will be time

and date stamped using the current time of the MCC-545C. Up to 256 data

values can be parsed into 16 groups using this format as long as the total

number of characters in each set does not exceed the buffer size (including

all delimiters).

An Example of an AUTO format with a date and time stamp is:

10/15/01 12:00:00<cr><lf>

1 2 3 4 5 6 7 8 9 10<cr><lf>

11 12 13 14 15 16 17 18 19 20<cr><lf>

21 22 23 24 25 26 27 28<cr><lf>...timeout

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Another example:

10/15/01 12:00:00 1 2 3 4 5 6 7<cr><lf>

8 9 10 11 12 13 14 15 16 17<cr><lf>

18 19 20 21 22 23 24 25 26 27<cr><lf>

28<cr><lf>...timeout

For these two formats with date and time above, the port should be setup

for an AUTO report type, then select a date and time option that locates

the date and time fields on line 1. Use the sensor setup command to

indicate that t he 1st sensor is located either on line 2 as in the 1st

example or on line 1 as in the second example. The AUTO formatting will

use the first two “fields” found as the date and time, then use the

remaining fields as the sensor data.

MULTI-LINE Format

For the LINE (multi-line) report type, the first “line” includes all the bytes

from the beginning of the buffer to the first carriage return. Any line feed

characters are ignored. The second line is all the bytes from one past the

carriage return to the next carriage return and so forth to the end of the

set of characters. The report ends with the last character received prior to

the timeout period with no more bytes being received. This example shows

that each line holds only one sensor value. Reports with both labels and

data that have multiple values per line are not yet supported by the

generic driver, but it is possible to report multiple sensors per line when

there are no line labels present on each line.

One example of a multi-line report from the AANDERAA 3660 data logger is

shown below:

Date/Time: 1.12.11 18:57:50

00 Battery Voltage 12.7 Volt

01 Reference 699

02 Wind speed 79.4 m/s

03 Wind gust 79.4 m/s

04 Wind direction 359.6 Deg.M

05 Air temperature 48.8 Deg.C

06 Relative humidity 101.6 % RH

07 Air pressure (QNH) 1089.6 hPa

08 Visibility 3002.9 m

09 Sunshine duration 1023.0 min

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10 Net atm. radiation 2120.4 W/sqm

11 Rainfall 204.6 mm

From the above report one can see that the date is on line 1 in columns 12-

19, and is in year-month-day format. The time is also on line 1 in columns

21-28. Sensor data then starts on line 2 and repeats on subsequent lines in

columns 25-30. The label fields are ignored.

Group Number: GENERIC, P, GROUP, AUTO

GENERIC, P, GROUP, LINE, line number, start, end

GENERIC, P, GROUP, FIXED, line number

The AUTO group numbering will start at group number 1 and increment by

1 for each 16 sensor values. The LINE option allows the group number to be

within the data at the given line number and between the given start and

end column numbers. The FIXED option will use the “line number”

parameter as the first group number then increment by 1 for each 16

sensor values.

Date: GENERIC, P, DATE, AUTO

GENERIC, P, DATE, LINE, line number, start, end,{FORMAT}

The AUTO date option will use the MCC-545C internal Date. The LINE

option allows the date to be within the data at the given line number and

between the given start and end column numbers. The FORMAT is optional,

and shows a “template” of the date format. It can be “mm/dd/yy”,

“yy/mm/dd”, “mmddyy”, “yymmdd”. If the format is not given it will

default to the “mm/dd/yy” format.

Time: GENERIC, P, TIME, AUTO

GENERIC, P, TIME, LINE, line number, start, end,{FORMAT}

The AUTO time option will use the MCC-545C internal time. The LINE

option allows the time to be within the data at the given line number and

between the given start and end column numbers. The FORMAT is optional,

and shows a “template” of the time format. It can be “hh:mm:ss”,

“hh:mm”, “hhmmss”, “hhmm”. If the format is not given it will default to

the “hh:mm:ss” format. The MCC-545C SDATA reports are only time-tagged

with month-day-hour-minute. Year and seconds are not transmitted.

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Sensor Values: GENERIC, P, SENSOR, AUTO

GENERIC, P, SENSOR, AUTO, line number, start

GENERIC, P, SENSOR, LINE, line number, start, end

In AUTO mode, sensor values are delimited by blanks or commas and there

may be several per line. If the line number parameter is not given

(example 1 above) then data is assumed to start on the first line of the

report. If the line number is given, data can start on other than the first

line. In addition, if the “start” parameter is given, data can begin in a

column other than the first column. For example you may have a report

such as the following:

10/14/02 09:15:00 +123.4 +19.8 +33 +99 -1089.45...<cr><lf>

Notice it has a date, time, then data values on the same line. In this case

you would use a GROUP,P,SENSOR,AUTO,1,18 command to locate the

start of the sensor data, and use the AUTO method of locating the rest of

the data.

In LINE mode, sensor values will start on the given line number and start-

end columns, then will repeat, either in free format, or one value per line,

depending on the report type.

Polling: GENERIC, P, POLL, poll string, interval

The polling feature can be used for data loggers that do not print a data

report unsolicited, but require some command string to be sent to request

the next report. The poll string can be any printable ASCII characters up to

20 bytes in length. The “interval” parameter is given in decimal and is the

number of seconds between outputting the poll string. If a poll is output,

the response string from the data logger will be parsed in the same manner

as when there is no poll string required. If the data logger echoes the poll

string, this will look like part of the report and must be accounted for in

the setup. To handle data loggers that need to wake up from a low-power

mode, the poll string will be preceded by a carriage return and line feed,

and the poll string will be followed by another carriage return and line

feed.

Polling using binary (non-printable-ASCII) characters is not yet supported.

Start of Report: GENERIC, P, REPORT, Report String

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The report string allows the definition a fixed string of printable ASCII

characters that is at the beginning of each new set of report characters.

This is useful for ignoring bursts of non-report text. Each report is started

with the report string and ends with the timeout parameter. If the cable

between the data logger and MCC-545C is connected part way through the

output of one report, and the report string text is “missed”, then a partial

report will not be created.

Remote Commands: GENERIC, P, COMMAND, command string

Some support for remotely commanding and configuring a generic data

logger is provided using this command format. If the data logger can accept

commands as a single line of text (no embedded <cr><lf>) without having

to be locally present at the data logger to type keys into a menu, then this

capability may be just the ticket. When a remote command is received by

the MCC-545C, it will output the Command String bytes to the data logger

preceded and followed by a carriage return and line feed. The response

text, up to 1024 bytes, will be captured and returned to the originating

modem as a remote command response message.

Example Script:

generic,1,type,auto

generic,1,group,auto

generic,2,type,line

generic,2,group,fixed,2

generic,2,sensor,line,2,22,32

generic,2,date,line,1,12,19,YY/MM/DD

generic,2,time,line,1,20,29,HH:MM:SS

generic,2,poll,off

generic,2,report,Date/Time:

generic,3,type,off

generic,0,type,off

assign,dta,off

assign,alt,off

assign,dta,2,generic,5

setbaud,2,9600

assign,alt,1,generic,2

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setbaud,1,9600

generic

save

5.6 Event Programming

The MCC-545C supports customer-programmed event logic. Discrete and

analog inputs can be monitored by the event program to detect “events”

which then perform a defined “action.” Actions may include the

controlling of discrete output signals, incrementing counters, setting

timers, transmission of canned messages, and issuance of various reports.

This means that customers are somewhat independent of factory

reprogramming from MCC and that MCC-545C behavior can be readily

modified in the field. It also means that operators now have limited power

to make the MCC-545C react to various field-programmable conditions.

The operator sets up the event program when installing the MCC-545C or

during maintenance and operation. Because the event program is

implemented via operator commands, it can be entered not only at a local

maintenance console, but also via the remote command capability. The

event programs are stored within a non-volatile table in the MCC-545C

battery-backed-up RAM. They are not lost due to external power failure.

When the external power is restored, they will be enabled to respond to

events again.

Refer to Figure 16 for a block diagram of event programming inputs and

outputs. Programming is usually done by creating a “script file” of the

required event commands, and loading these into the MCC-545C using

XTermW or any other terminal emulator software.

Several input/output lines are available directly from the processor card of

the MCC-545C modems. These differ between the A, B, and C variations of

the MCC-545. In addition, an optional I/O expander card (XIO) uses 3 lines

to implement a high-speed serial link for accessing the signals of the

expander card.

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Figure 16: Event programming block diagram

5.6.1 Event Programming Overview

Event programs are composed of signal test and action commands stored in

a non-volatile event table. The MCC-545A stores the event table in battery-

backed-up-RAM. The MCC-545B and MCC-545C store the event table in

FLASH memory.

The operator enters these event commands into the MCC-545C. The MCC-

545C scans the event table at power-up/reset, and then at every 1/16

second clock interval. It looks for the occurrence of defined events. When

a defined event occurs, the MCC-545C invokes the corresponding action

commands. The capability includes:

• Testing discrete input lines

• Setting or clearing a discrete output line

• Testing Analog input values

• Transmitting brief text messages

• Execute a local command of up to 40 characters

• Transmitting vehicle position reports

• Transmitting marker drop reports

MCC-545 Rf Modem EVENT SCRIPT

FILE TEXT EDITOR

XIO

$HT

TEXT

MESSAGES REMOTE

COMMANDS

DISCRETE

INPUTS

DISCRETE

OUTPUTS

ANALOG

INPUTS

DISCRETE

INPUTS

DISCRETE

OUTPUTS

ANALOG

INPUTS

RF LINK

SERIAL

PORT

MCLK

MDIR

MSET

POS TEXT

MSG

SDATA

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• Transmitting vehicle collision reports

• Transmitting canned message reports.

• Defining sensor data (SDATA) groups

• Transmitting sensor data (SDATA) reports

• Setting or clearing the MDP Status Bits

• Setting or clearing and testing 5 timers

• Testing GPS status as a discrete input

• Testing Network status as a discrete input

• Setting or clearing and testing counters

• Setting or clearing and testing 2 high-speed counters

• Outputting pulses and square waves (pulse modulation)

• Reading and counting pulse inputs

• Max, Min, Average or other real-time signal computations

The position, marker drop, collision and canned message reports created

conform to the FleetTrak standard. In addition other status bits can be set

or cleared individually. Up to 16 data report groups can be defined for

SDATA formatted data report generation.

The MCC-545C event monitor reads discrete and analog inputs and

evaluates them with respect to event definitions in the event table. It can

look for discrete input signals going persistently high or low, and for analog

signals persistently exceeding or under running thresholds.

5.6.2 Event Definition

An “event” occurs when some input signal or timer changes its state. You

can think of a state as being “on” or “off”, “1” or “0”, “true” or “false”.

When the state changes, an “action” can then be taken. Once the signal

has changed state and the action performed, it will not take further action

until the state changes again to prevent a continuous string of actions. For

example, if a switch is turned “on”, the lights come on and stay on. They

don’t continually go on,on,on… Once the switch is turned off, the lights

can go off, and then they are ready to be turned on again, etc.

There are three classes of events: Reset, Immediate and Scanned. Scanned

events subdivide into discrete I/O events and analog input events. These

are defined in the following paragraphs.

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Reset Event

A reset event occurs only once when the MCC-545C powered up or reset,

when the event monitor task is started for the first time, or is stopped -

then restarted. It is a well-defined event that does not need to scan

anything in order to determine whether or not a reset has occurred. It

occurs once on each power up or monitor-start. There is also no

corresponding end to this event. The logical end of this event would be

power failure or shutdown, but either such event makes the MCC-545C

unable to respond to anything. An action taken on a reset event command

will remain as defined in the command until the MCC-545C is reset again or

powered off, or until some other event changes the action. Stopping the

event monitor will not clear the reset event definitions.

Command Event

An immediate action can be triggered by entering a local event command

from any port, or by remote command sent over the RF link. This type of

action does not get stored in the event table and will not be re-issued on

power-up or restart. In this way, the operator has the ability to manually

override or control conditions in the field. The event state is considered to

be “true” as soon as the command is entered or received. Once the action

is completed, the event state is set to “false” again.

Scanned Event

Scanned events are tested on a periodic basis by the monitor task. An input

signal that would trigger a scanned event must be repeatedly tested to see

if the signal persists at a trigger level before an event is started. A scanned

event is started when a signal remains at (or above or below) the trigger

level for a defined settling duration. When an event is detected by its input

condition persisting at its high state for a settling duration, that event's

associated action is triggered and the monitor task begins looking for the

end of the event. The end of an event occurs when the event remains at a

low state for a defined hold-off duration. After the hold-off duration with

the input condition at its low state, the event is enabled to scan for the

next event.

For example, if an event is testing the battery voltage to be above 5.0

volts, the action will be triggered when the voltage is first detected to be

at or above 5.0 volts for the entire settling period. When the voltage goes

below 5.0 volts for the hold-off period, it will re-arm the event to trigger

the next time the voltage goes to or above 5.0 volts. The event action is

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not triggered when the voltage crosses the 5.0 level in the downward

direction, only the upward direction. If one wants to detect both voltage

crossings, there should be two events defined, one to detect the positive

change (ADCHI), and one to detect the negative change (ADCLOW).

The settling and hold-off durations are programmable for each scanned

event. They are specified in clock-tick counts where each tick is 62.5

milliseconds, or 1/16 second. Because these durations are programmable,

scanned event hysteresis is fully controllable. Given the 62.5 millisecond

sampling rate, events are limited to those that persist longer than 62.5

milliseconds but shorter than about an hour duration. Similarly, hold-off

times between events must also persist longer than 62.5 milliseconds.

Attempting to program events that are briefer than 62.5 milliseconds will

prove unreliable. It is important to remember that a scanned event must

change slow enough that the event monitor can sample the input line

reliably.

The external I/O expander (XIO) has its own processor to scan its event

definition table. Its internal “clock-tick” will be set to one millisecond per

increment. The MCC-545C will configure the XIO when event commands are

processed from the script file. The XIO will monitor its own events and send

changes to the MCC-545C using a serial interface.

Discrete Event

A discrete event is determined by whether or not a discrete input signal

remains either high or low for the given settling duration. “high” or “low”

is a part of the event definition set by the operator. The end of a discrete

event occurs when the signal has persistently returned to its previous low

or high state for the hold-off duration. For RS-232 signals, “high” is

considered the ON state and “low” the OFF state. “high” is also known as

SET; “low” as CLR.

The high/low convention follows the voltage level of the input signal. For

TTL signals, “high” is a +5 volt level, and “low” is zero volts. For the RS-

232 modem-control signals, “high” is +10 volts and “low” in -10 volts. For

the GPS input, a “high” is when the GPS is at “V1” or “V2” status, and

“low” is when there is no GPS characters being received at the RS-232 port

or when the GPS is at the “V0” status. The NET input is “high” when the RF

modem is online to a Base or Repeater that is connected to a host system.

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The NET “low” input indicates the RF modem is offline to a Base or

Repeater.

Analog Event

An analog event is determined by whether or not an analog input signal

remains above or below a threshold for the given settling duration.

“Above” or “below” and the threshold level are also given in the event

definition. The end of an analog event occurs when the signal has

persistently returned to the non-event side of the threshold for the hold-off

duration.

5.6.3 Action Definition

An “action” can be assigned to each event defined in the event table.

When the event condition is detected, the action is initiated. Available

actions are defined in the following sections. Multiple actions are

supported by defining multiple events that test the same input, but take

different action, or multiple actions can be defined using a special

“continue” event. The “continue” event does not test the input condition

again, but will trigger the action when the event it is connected to detects

the event.

Any action can be forced on a timed basis by several methods. One method

is to use the MCC-545C scheduler (SCHED command) to trigger the desired

immediate action. For example, the UPDT action can be specified by the

insertion of the EVENT,UPDT, group-number command into the MCC-545C

scheduler to produce reports on a timed basis. See the SCHED command for

this capability. Another example would be to pulse an output line by

placing two commands in the scheduled event list that would first SET then

CLR the signal. The duration of the pulse would be controlled by the offset

value in the SCHED command. Yet another method is to use an event timer

(counter) to facilitate scheduling of actions. Special timer registers are

provided for this purpose, and will automatically count down from a non-

zero value to zero at a rate of 1/16 seconds per count. An event command

can monitor the timer register, and when it reaches zero, the action can be

taken, and the timer reset to the next desired time count.

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5.6.4 Programming in Real-Time

Events are programmed via operator commands, one event per command

line. It is a multi-step process. Because of this, each event being entered

will be a fragment until all event definitions are complete. If the event

monitor is allowed to execute a fragment of an event, strange and possibly

adverse actions will occur. Therefore, the operator should stop the event

monitor when adding events and actions to the event table. The event

monitor task can be stopped and started by operator command. The best

way to do this is to use a script file containing the stop ;l,m command, a

command to delete all prior definitions, the desired event definitions, and

a start command.

Some examples are given below, following these, a detailed description of

each event command and action is given.

Example 1: A Scanned Event - Vehicle Tip-Over Detection

Suppose the MCC-545C is wired to detect a vehicle tip-over using the CTS

and DTR signals and a gravity switch that closes if it does not remain mostly

upright. The CTS output is used to enable tip-over detection. The DTR

input is the signal on which tip-over event is detected. Normally open, the

switch prevents DTR from receiving the CTS signal. If CTS is enabled and

the vehicle tips over such that the switch closes, the CTS signal is

presented to DTR.

MCC

-545 RF Modem

CTS

DTR

Gravity

Switch

CTS is set to 5V on power-up, DTR is low if switch is open

DTR will go high when the switch is closed

To make the tip-over detection mechanism function, the CTS signal must

be enabled so that it can be detected at DTR should the switch close. A

good time to enable CTS – set CTS to high – may be when the MCC-545C is

powered up. The command EVENT,RESET,SET,CTS will do this. The event is

RESET. The action is SET,CTS. The “ignition” bit should also be set in the

status word. The bits of the status register are numbered from low order to

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high order, BIT0 through BIT15. The COLLISION bit is the same as BIT0, and

the action “COLLISION” is used instead of “SET,BIT0” for clarity.

The command EVENT,DIOHI,DTR,16,160,COLLISION defines an event that

creates a vehicle collision report if the DTR signal is high for 1 second (16

sixteenths of a second). Collision is defined as the vehicle being tipped

over. The event will clear and be ready for another event if the signal is

low for 10 seconds (160 sixteenths of a second). DIOHI means “discrete I/O

high” and DTR specifies the DTR discrete input. The parameters

DIOHI,DTR,16,160 define the event. The parameter COLLISION defines the

action.

The User will create the event table with the following commands:

Example 2: A Scanned Event - Marker-Drop

Suppose the MCC-545C is wired to detect a marker-drop pushbutton using

the CTS and DTR signals wired to a pushbutton switch mounted somewhere

in a vehicle or aircraft. The CTS output is used to enable switch detection.

The DTR input is the input signal on which marker-drop is detected.

Normally open, the switch prevents DTR from receiving the CTS signal. If

CTS is enabled and the marker-drop button pressed such that the switch

closes, the CTS signal is presented to DTR.

MCC-545 RF Modem

CTS

DTR

Marker-Drop

Switch

CTS is set on reset in order to have a signal to detect on DTR

DTR is scanned every 1/16 second for the high condition

EVENT,STOP

EVENT,DEL,ALL

EVENT,RESET,SET,CTS

EVENT,RESET,SET,BIT2

EVENT,DIOHI,DTR,16,160,COLLISION

EVENT,START

SAVE

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To make the marker-drop mechanism function, the CTS signal must be

enabled so that it can be detected at DTR should the switch close. A good

time to enable CTS – set CTS to high – may be when the MCC-545C is

powered up. The command EVENT,RESET,SET,CTS will do this. The event

is RESET. The action is SET,CTS. The “ignition” bit should also be set in

the status word, the command EVENT,RESET,SET,BIT2 will set the ignition

bit. The bits of the status register are numbered from low order to high

order, BIT0 through BIT15. The MARK bit is the same as BIT3, and the

action MARK is used instead of SET,BIT3 for clarity.

The command EVENT,DIOHI,DTR,16,160,MARK defines an event that

creates a vehicle collision report if the DTR signal is high for 1 second (16

sixteenths of a second). The event will clear and be ready for another

event if the signal is low for 10 seconds (160 sixteenths of a second). DIOHI

means “discrete I/O high” and DTR specifies the DTR discrete input. The

parameters DIOHI,DTR,16,160 define the event. The parameter “MARK”

defines the action.

The User will create the event table with the following commands:

5.6.5 Event Programming Command Summary

There can be from 1 to 400 events defined in the event table including

reset and scanned events. The following list shows all the command

formats. Commands tagged “Yes” in the “Event” column each consume one

entry in the event table. Some of the commands, tagged with “No”, are

used to free up event table entries or control the operation of the event

monitor.

There is also a group table, and a text table. The group table is an array of

16 groups by 16 sensors. Each entry in the group table consists of a sensor

type – discrete or analog – and a discrete bit identification or analog

channel number. Commands tagged “Yes” in the “Group” column each

EVENT,STOP

EVENT,DEL,ALL

EVENT,RESET,SET,CTS

EVENT,RESET,SET,BIT2

EVENT,DIOHI,DTR,16,160,MARK

EVENT,START

SAVE

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consume one entry in the group table. Some of the commands with “Yes”

are used to free up group table entries. The text table is used to store up

to 40 text messages or operator commands of up to 40 characters each.

There are 8 accumulators, 8 timers and 8 counters that can be used to

facilitate the creation of complex logic.

Table Entry?

Command

Event Group

EVENT

No No

EVENT, DEL,

event number

No No

EVENT, DEL, ALL

No No

EVENT, START

No No

EVENT, STOP

No No

EVENT, RESET, action Yes No

EVENT, DIOHI, bit-name, settle, holdoff, action Yes No

EVENT, DIOLOW, bit-name, settle, holdoff, action Yes No

EVENT, ADCHI, chan-name, hi-level, settle, holdoff, action Yes No

EVENT, ADCLOW, chan-name, low-level, settle, holdoff, action Yes No

EVENT, IFGT,

bit

name, bit

name, action

Yes No

Table Entry?

Command

Event Group

EVENT, IFLT,

bit

name, bit

name, action

Yes No

EVENT, IFEQ,

bit

name, bit

name, action

Yes No

EVENT, CONT,

action

Yes No

EVENT, DO,

action

Yes No

EVENT, DISPLAY,

item

number

Yes No

EVENT, TEXT

No No

EVENT, TEXT,

item

number,

message text

Yes Yes

EVENT, TEXT, DEL, ALL

No No

EVENT, TEXT, DEL,

item

number

No No

EVENT, GROUP

No No

EVENT, GROUP, group-number, bit-name or chan-name, … No Yes

EVENT, GROUP, DEL, ALL

No Yes

EVENT, GROUP, CLEAR, group-number No Yes

EVENT, UPDT, group-number No No

EVENT, STATUS,

{

bit

name, chan

name

} No No

EVENT, action No No

SCALE, chan-name, slope, offset No No

5.6.6 Event Programming Command Details

Command: EVENT

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Displays the current event and group table when no additional parameters

are attached. All the event commands begin with “event,” followed by

parameters.

Command: EVENT, DEL, ALL

Delete all events in the event table. Event table commands should be

edited in script files and output to the MCC-545C using XTermW in order to

reload the event table. This command does not delete the text messages or

group definitions.

Command: EVENT, DEL, number

Delete only the numbered event from the event table. The events will be

renumbered when one is deleted. Event table commands should be edited

in script files and output to the MCC-545C using XTermW in order to reload

the event table.

Command: EVENT, START

Start the event scanner. Scanned events will not be detected unless

scanning is started. This command causes the event scanner to review the

event table every 62.5 milliseconds for the occurrence of scanned events

and the end of scanned events. This command also performs RESET events.

On MCC-545C reset, the event scanner is started.

Command: EVENT, STOP

Stop the event scanner. Scanned events will not be detected while

scanning is stopped. This command should be issued prior to clearing the

event table (EVENT,DEL,ALL) and reprogramming it with events. This

command does not affect the detection of the reset event. On MCC-545C

reset, the event scanner is started again if the SAVE command was not

issued while in the EVENT,STOP state.

Command: EVENT, action

A direct command for immediate action can be issued. This event

command will not be added to the event table, but will cause the action to

occur when the command is entered. This can be used to take action using

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remote commands, and also can be placed in the MCC-545C schedule list

for periodic event application.

Command: EVENT, STATUS, {bit-name, or chan-name}

This form of the command lets the operator display an immediate value for

any discrete input bit or any ADC channel. For example: to display the

status on the DTR input line, EVENT,STATUS,DTR<cr>. To display forward

power, enter EVENT,STATUS,FPWR<cr>.

Command: EVENT, RESET, action

Define an action to be taken at power-up/reset. This is useful for setting

control outputs at a known state or sending a message to a host system

that the MCC-545C has been reset. These RESET actions will also occur if

the event monitor is stopped, then restarted. This allows entering new

RESET events into an existing table.

Command: EVENT, DIOHI, bit-name, settle, holdoff, action

Define an event that looks for a discrete input line to go to a high level.

Parameter

Description

DIOHI

Scan discrete input signal for high condition.

bit-name

Name of discrete input signal to be scanned for high level. (single or multiple

inputs)

settle

Number of clock ticks for the input signal to settle at the high level before

declaring an event

holdoff

Number of clock ticks fo

r the analog input signal to settle at the low level to

be armed for detecting the next event.

action

MCC

545C action to be taken when event is declared. See actions below.

Logical combining of multiple discrete inputs is allowed. This is done by

expanding the bit-name parameter of the command into a list on inputs

separated by logic operator characters. For example, to test both the RTS

and DTR inputs in one event, use the string “,DTR & RTS,” in the bit-name

parameter. Up to 5 inputs can be used in a single event line. Any of the

inputs can be “inverted” before the combination. For example, if the DTR

input must be high and the RTS input low to trigger an event, use the string

“,DTR & !RTS,” in the bit-name parameter.

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The inputs can be combined in any order. The evaluation is done from left

to right. There is no use of “(“ and “)” to form more complex ordering. The

“0” and “1” values are used for “low’ and “high”. If the result of the

combination of signals is “1”, then the DIOHI condition is satisfied. If the

result of the combination is “0”, then the DIOLOW condition is satisfied.

Both the DIOHI and DIOLOW event types can use the logical signal support.

Table of Logical Operators:

Operator

Definition

AND

NOT

Logical

signal inversion

Command: EVENT, DIOLOW, bit-name, settle, holdoff, action

Define an event that looks for a discrete input line to go to a low level.

Parameter

Description

DIOLOW

Scan discrete input signal for low condition.

bit-name

Name of discrete input signal to be scanned for low level. (single or multiple

inputs)

settle

Number of clock ticks for the input signal to settle at the low level before

declaring an event.

holdoff

Number of clock ticks for the analog input signal t

o settle at the high level to

be armed for detecting the next event.

action

MCC

545C action to be taken when event is declared. See actions below.

Command: EVENT, IFGT, bit-name1, bit-name2, action

Test whether a timer, counter or accumulator is greater than another

timer, counter or accumulator.

Parameter Description

IFGT

If first parameter is greater than second parameter.

bit-name1

Name of a timer, counter or accumulator to test.

bit-name2

Name of a

timer, counter or accumulator to test bit

name1 against.

Action

MCC

545C action to be taken when event is declared

See actions below.

Command: EVENT, IFLT, bit-name1, bit-name2, action

Test whether a timer, counter or accumulator is less than another timer,

counter or accumulator.

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Parameter Description

IFGT

If first parameter is less than second parameter.

bit-name1

Name of a timer, counter or accumulator to test.

bit-name2

Name of a timer, counter or accumulator to test bit

name1 against.

Action

MCC

545C action to be taken when event is declared. See actions

below.

Command: EVENT, IFEQ, bit-name1, bit-name2, action

Test whether a timer, counter or accumulator is equal to another timer,

counter or accumulator.

Parameter Description

IFEQ

If first parameter is equal to second parameter.

bit-name1

Name of a timer, counter or accumulator to test.

bit-name2

Name of a timer, counter or accumulator to test bit

name1 against.

Action

MCC

545C action to be taken when event is declared. See

actions

below.

Command: EVENT, CONT, action

The CONT (Continue) event is used to define multiple actions to an event.

An event definition command can be followed by any number of CONT

commands and are considered to be an extension of the previous event

command. For example:

EVENT,DIOHI,DTR,1,1,SET,BIT0 ;Defines an event with one action

EVENT,CONT,TXT,1 ;Add another action

EVENT,CONT,UPDT,1 ;Add another action

EVENT,CONT,CLR,T1 ;Add another action

EVENT,DIOLOW,DTR,1,1,CLR,BIT0 ;End previous event definition, Start next one

Command: EVENT, DO, action

The DO event is provided for cases where an unconditional action is

required. This type of event is not connected to other event lines as the

CONT is. It is independent and will be initiated every time the event

monitor executes the script item. For example: EVENT,DO,INC,C1

Command: EVENT, ADCHI, chan-name, hi-level, settle, holdoff,

action

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Define an event that looks for an analog input signal to go at or above a

high level.

Parameter

Description

ADCHI

Scan A-to-D converter channel (analog input signal) for high condition.

chan-

name

Name of analog input signal to be scanned for high condition. (single input

only)

hi-level

Signal level for the event to trigger at or above which the analog input

signal

must persist in order for an event to be declared. Scaled in Engineering

Units.

settle

Number of clock ticks for the input signal to settle at or above the trigger

level before declaring an event.

holdoff

Number of clock ticks for the input signal to settle below the trigger level to

be armed for detecting the next event.

action

MCC

545C action to be taken when event is declared. See actions below.

Command: EVENT, ADCLOW, chan-name, low-level, settle, holdoff, action

Define an event that looks for an analog input signal to go at or below a

low level.

Parameter

Description

ADCLOW

Scan A-to-D converter channel (analog input signal) for low condition.

chan-

name

Name of analog input signal to be scanned

for low condition (single input

only).

low-level

Signal level for the event to trigger at or below which the analog input signal

must persist in order for an event to be declared. Scaled in Engineering

Units.

settle

Number of clock ticks for the input

signal to settle at or below the trigger

level before declaring an event.

holdoff

Number of clock ticks for the input signal to settle above the trigger level to

be armed for detecting the next event.

action

MCC

545C action to be taken when event is d

eclared. See actions below.

Command: EVENT, TEXT, item-number, message or command text

Add a new text string into the text table. This command will replace an

existing item if one already exists with the same item number.

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Parameter Description

TEXT

Define a Text string command.

item-

number

Item number to be created or replaced by this command. Valid range: 1

through 40.

message

text

Body of the text. Can be up to 40 characters, and will be converted to upper

case. The text is used by the TXT or CMD action to send a text message or

issue a local command.

Command: EVENT, TEXT

Displays the current text table.

Command: EVENT, TEXT, DEL, ALL

Deletes all previously defined text items.

Command: EVENT, TEXT, DEL, item-number

Deletes a specific item from the text table. This command makes the given

item be a null message. The other text string items in the table are not

affected.

Command: EVENT, GROUP

Displays the group table. There can be as many as 16 groups defined,

where each group consists of a selected set of analog inputs or discrete

inputs. The “event, group” set of commands allows the groups to be

defined, displayed, and transmitted as a sensor data report.

The Group Table layout is like a two dimensional array where each row is a

different group, and each column is a different sensor. In this case a sensor

can be either an analog or discrete input. “type” indicates discrete or

analog. For discrete, “id” is the bit number. For analog, “id”is the channel

number.

Sensor Number

1 2 3 ● ● ●

Group Number

type/id type/id type/id

type/id

type/id type/id type/id

type/id

type/id type/id type/id

type/id

●

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type/id type/id type/id

type/id

Command: EVENT, GROUP, group-number, bit-name or chan-name, ...

Define an event sensor data (SDATA) report group.

Parameter Description

GROUP

Group control event command.

group-

number

bit-name or

chan-name

Group number to be set by this command. Valid range: 1 through 16.

List of up to 16 discrete and/or analog input signal names to be included in

the group. The values of these signals form the contents of a sensor data

(SDATA) report. They are reported in the order specified in this command.

Append a “/F” to any name for floating point scaling. Append “(x.xx)” for

decimal scaling as: ADC1/F(0.1)

Example: EVENT, GROUP, 1, FPWR/F, ADC1, ADC2/F(1.123)

Command: EVENT, GROUP, DEL, ALL

Delete all group definitions. Clears the group table.

Command: EVENT, GROUP, DEL, group-number

Delete a specific group definition from the group table. This does not cause

the other defined groups to be renumbered.

Parameter Description

GROUP

Group control event command.

DEL

Delete group table sub-command.

group-

number

Group number to be deleted by this command. Valid range: 1 through 16.

Command: EVENT, UPDT, group-number

Produce an immediate SDATA group report when the command is entered.

Parameter Description

UPDT

Update sub-command; i.e., issue a group sensor data (SDATA) report.

group-

number

Group number to be reported in an SDATA report. Valid range: 1 through 16.

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This command can be included in the MCC-545C schedule to produce

reports on a periodic or prescribed time of day. For example,

SCHED,I,10:0,EVENT,UPDT,3 will schedule the group 3 sensor data report

every 10 minutes.

Command: SCALE, chan-name, slope {, offset}

Enter engineering units scale factor and offset for an analog channel. This

adds the optional offset parameter to the original MCC-545C SCALE

command. Analog event detection is based on scaled values, not raw

counts. The scaled value is computed as:

scaled value = (analog channel raw count * slope) + offset

Parameter Description

chan-name

Name of analog input channel to be scaled by the factors

provided in this

command.

slope

Multiplier scaling factor. The analog input channel raw count is

multiplied by this value. Valid: any decimal floating point number that

can be represented in Motorola 68000 32-bit floating point format.

However, there is a further restriction on the value of slope. See below.

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Parameter Description

offset

Bias scaling factor. This value is added to the product of the channel raw

count and the multiplier scaling factor. Optional parameter. Assumes

zero offset when not given. Valid: any decimal floating point number

that can be represented in Motorola 68000 32-bit floating point format.

However, there is a further restriction on the value of slope. See below.

Slope and offset values must be chosen such that the resultant scaled value

is in the range -8192.0 through -0.001, 0.000 and +0.001 through +8191.0.

Only four digits of the scaled value are significant.

5.6.7 Action Details

The following table shows the possible types of action that can be taken

when an event occurs.

Action Value Action Parameters Description

TXT

, nn

text table item number

Transmit a text message to the default destinations

“nn” can range from 1 to 40.

CMD

, nn

text table item number

Execute a local command

“nn”can range from 1 to 40.

CAN,

canned message number

The canned

message number is transmitted to 1 to 4

default destination IDs. “nn”can range from 0 to 255.

POS

A position report with current GPS coordinates is

transmitted to 1 to 4 default destination IDs.

MARK

A marker report with current GPS coordinates is

transmitted to 1 to 4 default destination IDs. The

marker bit is set in one report, but does not remain

set.

COLLISION

A vehicle collision report is transmitted to 1 to 4

default destination IDs. The collision bit is set in one

report, but does not remain set.

SET, ccc,

ddd

ccc=Bit, Timer, Counter,

Accumulator Name

ddd=optional decimal

value for Timer, Counter

or Accumulator

If “ccc” is a named discrete output or status bit, it is

set = 1 and “ddd” is not used. If “ccc” is a Timer,

Counter or Accumulator, then “ddd” is a decimal value

to put into “ccc”. If “ccc” is a status bit, a POSS report

will be transmitted with the updated status bits. The

bit remains set.

SET/N, ccc

ccc = status bit name

Sets the status bit and does

not

transmit POSS

SET/T, ccc

ccc = status bit name

Trigger a POSS report after setting the status bit, but

clear the bit after the transmission so it is a one-time

event and does not persist.

CLR, ccc

ccc=Bit, Timer, Counter,

Accumulator Name

The named discrete output,

status bit, Timer, Counter

or Accumulator is cleared to 0. If “ccc” is a status bit,

a POSS report will be transmitted with the updated

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Action Value Action Parameters Description

status bits

The bit remains cleared.

CLR/N,ccc

ccc = status bit name

Clears the status bit and does

not

transmit POSS.

PULSE,bit-

name, ddd,

iii, nnn

bit-name = any discrete

output signal

ddd = pulse duration

iii = interval between

pulses

nnn = number of pulses

Produce a pulse or series of pulses on the output line

where:“ddd” is the pulse duration in clock ticks, “iii”

is the interval between pulses in clock ticks, and “nnn”

is the number of pulses to output.

ADCIN, ccc,

aaa, mult

ccc=any ADC channel

name

aaa=accumulator name

A1 – A24

mult=decimal scaling

multiplier

Read the ADC channel value and store in it the given

accumulator. The value is scaled, multiplied by the

optional multiplier, then converted from floating point

to a long 32-bit integer. The value of 10.123 with a

multiplier of 10 will be stored as 103.

UPDT,

group-

number

SDATA report group

number

The SDATA

report specified by the group number is

transmitted to 1 to 4 default destination ids.

NC, ccc

Increment a counter by 1

“ccc” must be a valid

counter (C1-C8)

DEC, ccc

-1

Decrement a counter by 1

“ccc” must be a valid

counter (C1-C8)

ADD, ccc,

ddd

Add the decimal value of “ddd” to “ccc”

“ccc” must

be a valid accumulator (A1-A24). The result is stored in

“ccc”.

SUB, ccc,

ddd

Subtract the decimal value of “ddd” from “ccc”

“ccc”

must be a valid accumulator (A1-A24). The result is

stored in “ccc”.

MUL, ccc,

ddd

Multiply “ccc” by the decimal value of “ddd” and place

the result in “ccc”. “ccc” must be a valid accumulator

(A1-A24).

DIV, ccc,

ddd

Divide “ccc” by the decimal value of “ddd” and place

the result in “ccc”. “ccc” must be a valid accumulator

(A1-A24).

MOV, ddd,

sss

Move the source “sss” into “ddd”

“sss” and “ddd” are

valid Timers (T1-T8) , Counters (C1-C8) or

Accumulators (A1-A24).

ADDA, ccc,

aaa

Add the accumulator value of “aaa” to “ccc”

“aaa”

and “ccc” must be a valid accumulator (A1-A24) . The

result is stored in “ccc”.

SUBA, ccc,

aaa

Subtract the accumulator value of “aaa” from “ccc”

“aaa” and “ccc” must be a valid accumulator (A1-A24)

. The result is stored in “ccc”.

MULA, ccc,

aaa

Multiply “

ccc” by the accumulator value of “aaa” and

place the result in “ccc”. “aaa” and “ccc” must be a

valid accumulator (A1-A24).

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Action Value Action Parameters Description

DIVA, ccc,

aaa

Divide “ccc” by the accumulator value of “aaa” and

place the result in “ccc”. Where “aaa” and “ccc”

accumulator (A1-A24).

The default destination IDs for messages created by the actions above are

set via the DESTINATION, d1 {, d2 {, d3 {, d4}}} command. When a single ID

of “0” is given in a Meteor Burst network that uses the MCC-520B for a

Master Station, the messages are sent to the network host system for

routing via the source routing system. In a Line-of-Sight network, using

MCC-545Cs as Base and/or Repeater Stations, then a single ID of “1” is used

for routing to the Host via any Base or Repeater.

5.6.8 Reading Internal Sensor Values

The MCC-545C -03 and later radios have the capability to read certain

sensor values, including the internal rechargeable battery, internal

temperature of the unit, etc.

Following are the most commonly used commands to read these sensor

values:

Command Description

EVENT,STATUS,TEMP

Reads the internal temperature of the unit

EVENT,STATUS,BAT

Reads the unloaded battery (external) of the radio

EVENT,STATUS,LBAT

Reads the loaded battery (external) of the radio

EVENT,STATUS,IBAT

Reads internal NiMetal Hydride rechargeable battery

EVENT,STATUS,ADC1

(through ADC6)

5.6.9 Common Command Parameters

a. settle

settle is the number of clock ticks required “at or above” the event level

to trigger an event. Valid range: 1 - 65535. This corresponds to a range of

62.5 milliseconds to 1 hour, 8 minutes and 16 seconds. For discrete events,

the event level is “high” or “1”. For analog events, the level is given in

engineering units.

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b. holdoff

holdoff is the number of clock ticks required “below” the event level to

allow another event. Valid range: 1 - 65535. This corresponds to a range of

62.5 milliseconds to 1 hour, 8 minutes and 16 seconds.

c. bit-name

Bit Name I/O; Voltage Range Definition Description

BIT0-

BIT15

Status Register Bits

0 or

The bit names BIT0, BIT1, …through BIT15

correspond to the bits of the 16-bit status register.

BIT0 is the low order bit, BIT15 is the high order bit.

DTR

Input; TTL 0V to 5V

Data

Terminal

Ready

232 serial port signal indicating the data terminal

connected to the serial port is ready and able to

receive data from the MCC-545C (dataset) on Rx

Data.

RTS

Input; RS 232 ±10V

Request

to Send

232 serial port signal indicating the data terminal

connected to the serial port wants to transmit data

to the MCC-545C (dataset) on Tx Data.

CTS

Output; TTL 0V to 5V

Clear to

Send

232 serial port signal indicating the MCC

545C

(dataset) is ready and able to receive data from the

data terminal connected to the serial port on Tx

Data.

RING

Output; RS-232 ±10V

Ring

Detected

232 serial port signal indicating the MCC

545C

(dataset) is wants the attention of the data terminal

connected to the serial port.

MCLK

Output; TTL 0V to 5V

Clock

These three signals can be used as individual inputs

and outputs as noted. In addition they can be used to

communicate with the external I/O expander using a

clocked serial high speed data stream.

MDIR

Output; TTL 0V to 5V

Data In

MSET

Input; TTL 0V to 5V

Data Out

IN1,IN2

IN3,IN4

Optically Isolated

Inputs 0-5 Volts

0 or 1

Typically requires an input greater than 1 volt to

trigger an input transition from 0 to 1.

RO1,RO2

Relay Contacts

NO,NC

Provides NO,COM,NC contacts

GPS

GPS status

0 or 1

Current GPS receiver status and RS

232 port

condition. 0=V0 or RS-232 disconnected. 1=V1 or V2

and RS-232 connected.

NET

Network Status

0 or 1

Network online/offline status

0=offline , 1=online

T1 – T8

32-bit Timers can be

used both as an Input

and as an Output.

Timers range from 0

to 16,777,216 counts.

(12 days, 2 hrs, 18

min, 58.5 seconds)

0 or n

Timer registers

When these are set to a non

zero

value, they will count down one count for each 1/16

second (62.5 milliseconds).

Use action = SET, T1, nnnn to start counting. These

all are set=0 on reset. Power fail/restart will retain

the count at power fail.

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Bit Name I/O; Voltage Range Definition Description

C1 – C8

32-bit Counters can

be used both as an

input and as an

output. Counters can

range from 0 to

16,777,216 counts.

0 or n

Counter registers

These can be set to a value,

cleared to zero, incremented or decremented. A 0

decrements to 16,777,216. A 16,777,216 increments

to 0.

A1-A24

32-bit Accumulators

can be used both as

an input and as an

output. Value can

range from 0 to +/-

16,777,216

0 or n

General purpose accumulators

These are used for

computational or temporary storage of numerical

values.

Each of the bit-names in the above table can be used in Event and Action

definitions. The DIOHI/DIOLOW events can use DTR, RTS, IN1-4, GPS, NET,

T1-T8, C1-C8, A1-A24 as inputs. The Action parameter can use BIT0-BIT15,

CTS, RING, MCLK, MDIR, MSET, RO1-R02, T1-T8, C1-C8, A1-A24 as outputs.

Examples:

EVENT,DIOHI,IN1,16,16,SET,RO1 Waits for input line 1 to go high for 1

second, then sets RO1 to NC.

EVENT,DIOLOW,DTR,16,16,SET,T1,160 Waits for DTR to go high for 1

second, then starts timer-1 at 160 counts (10 seconds).

EVENT,DIOLOW,T1,1,1,TXT,1 Waits for timer-1 to go to

zero, then sends a text message indicating that DTR timed-out.

5.6.10 ADC Channel Names

Channel

Name

Definition Description

FPWR

Forward RF

power

RF power going out of the MCC

545C transmitter.

RPWR

Reverse RF

power

RF power being reflected back to the MCC

545C

transmitter.

LBAT

Battery level

Voltage level of the MCC

545C battery.

DETRF

Detected RF

Current

MCC

545C receiver detected RF level.

TEMP

Internal

temperature

Internal temperature of the MCC

545C enclosure.

TXC

Transmit Count

Total number of transmissions

ACK

Acknowledge

Count

Total number of acknowledgements

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Channel

Name

Definition Description

RXC

Received

Segments

Total number of

received text message segments,

position reports and data reports

PROBE

Idle Probe Count

Total number of Idle probes and poll frames received

REMOTE

Number of

Remotes

Number of remotes connected to this unit.

ADC1

Analog Input

Available MCC

545C

bit A

D channel.

ADC2

Analog Input

Available MCC

545C 10

bit A

D channel.

ADC3

Analog Input

Available MCC

545C 10

bit A

D channel.

ADC4

Analog Input

Available MCC

545C 10

bit A

D channel.

ADC5

Analog Input

Available MCC

545C 10

bit

D channel.

ADC6

Analog Input

Available MCC

545C 10

bit A

D channel.

5.7 Command Summary

Table 7: MCC-545C commands

All implemented 545C commands are listed in Table 4.2 alphabetically for ease of

reference. However, many commands are used in conjunction with others. These

functional groups are given below. You may also type HELP or HELP,command to

receive an explanation of any listed command. Command responses and unsolicited

printouts are shown in Appendix A.

STATION CONFIGURATION COMMANDS

STATUS COMMANDS

MESSAGE

COMMANDS

†*ASSIGN

†RCT

BINS

CANMSG

*BRATE

†REMOTE TYPE

CLS

CANMSG MODE

*CHECKIN

†RXTYPE

CONFIG

CANMSG OFF

†CLOSE PORT

SAVE

*HOURLIES

†COMPRESSION

†CONNECT

†SCALE

MEM

DEL MSG

DATE

†SCHED

MODE

DQE RXQ

*DESTINATION

SERIAL

†MON

DQE TXQ

*DEVICE

*SET BAUD

†MONOFF

FLUSH MSG

*DUTY CYCLE

†*SNP

†NETMON

FLUSH RXQ

*FREQUENCIES

*SOURCE RELAY

STAT

FLUSH TXQ

†HOST MODE

†START

*STAT TIME

*HOLD

†*ID

†STOP

MESSAGE

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†LOGOFF

†STT

TEST

*MSG

†LOGON

†SUBST

*PRINT

*LOS CHECKIN

*SYNTH

REMCMD

*MODULATION

TIME

†NEW PASSWORD

†TIME ZONE

POSITION LOCATION COMMANDS

†OPEN PORT

*TXLIMIT

†*POS

†RED

†PASSWORDMOD

†POSRPT

†RTCM

MODE CONTROL COMMANDS

MASTER SIMULATOR COMMANDS

†CORPAT

†*HALF DUPLEX

*FULL DUPLEX

†*ROLE

MAINTENANCE COMMANDS

DUAL MASTER STATION COMMANDS

BOOT

SHOW TXQ

†SWCTL

SWMON

RESET

SMS

REV

UPDT

UTILITY COMMANDS

SHOW RXQ

FLASH

HELP

WARNING/WEATHER SYSTEM

COMMANDS

DATA LOGGER COMMANDS

†FLOOD

TIMEOUT

†SENSOR

P77

SDATA

†GLOF

†STATION TYPE

†$PENTM

†GLOF MONITOR

†WARNING

†HORN

†WARNING TIMEOUT

†PRIORITY

†WEATHER

CR10X COMMANDS

CR10X

CR10X,ORDER

CR10X,SETPTR

†CR10X,ACQMODE

CR10X,REGISTER

CR10X,SIGNATURE

†CR10X,GROUP

CR10X,RESET

CR10X,STAT

†CR10X,INTERVAL

†CR10X,SCALE

†CR10X,TIME

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CR10X,MAXQ

CR10X,SECURITY

CR10X,UPLOAD

MASTER MODE COMMANDS

*BASE

NET STAT

SHOW MAINTENANCE

MONITOR

CLEAR MAINTENANCE

MONITOR

NET STAT PERIOD

SHOW REMOTES

CONFIGURATION

†POLL

SHOW RXQ

LISTM

PRG

SHOW TXQ

LISTT

REMOTE

STAT

SML

*REPEATER

SMS

NET

RX STAT

TYPE

* Parameters/settings specified by these commands are stored in Parameter Memory (CPM). Changes

specified by these commands take effect immediately but are lost when the unit is rebooted unless the

SAVE command is issued to write the changes to the non-volatile Flash memory. Changing the unit ID

automatically saves the entire configuration.

† Parameters/settings specified by these commands are stored in battery backed-up Data Memory

(RAM). Changes specified by these commands take effect immediately but are lost when the unit is

rebooted unless the SAVE command is issued to write the changes to RAM; in addition, the connector

J1 must be in place to enable RAM back-up.

If both symbols are present on a command, certain aspects are stored in one way and other aspects are

stored in the other. See command table below for clarifications.

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Table 7: MCC-545C commands (continued)

COMMAND DESCRIPTION PARAMETERS RANGE

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COMMAND DESCRIPTION PARAMETERS RANGE

†*ASSIGN

{,function,port,protocol

{,timeout}}

NOTE

function, port and protocol

information for ports 0, 1, 2

are stored in CPM; this

information for port 3 and all

timeout information is stored

in BBU RAM.

Control allocation of user interface functions

among physical device channels. When no

parameters are entered, displays I/O

configurations. Port definitions are as follows:

Front Panel

Port Connector

0 OPERATOR PORT

DATA PORT

2 AUXILIARY PORT

3 DIAGNOSTICS PORT

(Internal)

NOTE

It is possible to “lose control” of the 545C

software by assigning control functions to ports

with no devices attached or by turning off

control functions. For example, if you turn off

the Operator Port (ASSIGN,MNT,OFF), you will

not be able to enter commands or view

printouts from the 545C. You must open the

545C and press the Reset button on the

microprocessor board to re-enable the Operator

Port.

function = user interface

function

port = physical device

channel

protocol = link level

protocol

timeout in seconds

MNT, DTA, ALT,

POS

0-2, OFF

ASCII,F

WS,GPS,IHS,MSC,P

HAROS,IDA,PKT,D

ATALITE, AEI

RTCM,APCL5,CR10

X,ENAV,TRAN,GYR

O,H350,DIRECT,

UAIS,

PAKBUS,SERPT,CR

10XTD,DG1100,GE

NERIC,

SOUNDER

0 – 32767

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COMMAND DESCRIPTION PARAMETERS RANGE

AIS Display AIS Data

AIS, INT, n Set static data Tx interval (Minutes)

AIS, DSINT, n Set depth sounder Tx interval (Seconds)

AIS, DEL, ALL Delete previous pre-set static data

AIS,

ADD,ID,TYPE,NAME,MMSI,C

ALL,IMO,DRAUGHT,A,B,C,D,

DESTINATION

AIS, MMSI, nnnnnnnnn 9-digit MSSI number

AIS, IMO, nnnnnnnnn 9-digit IMO number

AIS, NAME,

cccccccccccccccccccc

20-char Name

AIS, CALL, ccccccc 7-char call sign

AIS, TYPE, nn 2-digit vessel type (see ITU)

AIS, ANT,A,B,C,D Ship/Antenna Dimensions in meters 0-25.5

AIS, DRAUGHT, nn.n Ships draught in meters

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COMMAND DESCRIPTION PARAMETERS RANGE

AIS, PERSONS, nnnn Number of persons on board 0-8191

AIS, TIME, HH:MM:SS ETA time

AIS, DATE, MM/DD/YY ETA date

AIS, DEST,

dddddddddddddddddddd

20-char Destination

AIS, NAV STAT, n Navigation status code 0-9 (see ITU)

*BASE{,nnn,nnn} Set/display range of Master Station IDs reserved

for use as Base Stations.

nnn = Master Station ID

OFF = no Bases

2 – 253

BINS Print link distribution statistics

BOOT Cold start of Station software. All volatile

memory is lost.

*BRATE,rate Reports transmit bit rate in kilobits per second.

This is fixed at 9.6 kbps

rate = 9.6K

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COMMAND DESCRIPTION PARAMETERS RANGE

CANMSG,nnnn (,msg length

{,min queue depth},{total})

Automatically generate a message of specified

length that repeats until turned off with

CANMSG OFF command. You can compose the

message by entering only the destination name

(not message length or minimum queue depth).

Destination node must be a neighbor node.

CANMSG cannot contain more than 25 messages

in its queue. If the number of canned message in

queue falls below minimum queue depth,

additional canned messages will be injected.

nnnn = Station ID

Master = 1 – 4095

Remote = 256 – 4095

msg length = number of

characters in message

min queue depth = min. # of

canned messages in queue

total = total number of

canned messages to

generate

1 – 4095

1 – 3000

0 – 25

0 – 9999

CANMSG MODE {,mode) Set reception of canned message to two of the

following states:

PRINT – print all messages

NO PRINT – does not print messages

mode = PRINT

NO PRINT

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COMMAND DESCRIPTION PARAMETERS RANGE

CANMSG OFF,nnnn Turn canned message mode off nnnn = Station ID

Master = 1 – 245

Remote = 256 - 4095

1 – 4095

*CHECKIN{,ii} Select check-in interval in seconds ii = interval 1 – 65535

CLEARBINS Clear hourly bins

CLEARLINKSTAT Clear link stats

†CLOSE PORT,function

{,function,…}

Close specified 545C port from operation. You

can enter more than one port name to close,

using commas to separate the names on the

same line.

CAUTION

The OPEN/CLOSE PORT commands directly

affect 545C network activity and message flow.

Do NOT use these commands unless directed to

do so.

function = user interface

function

MNT, POS,

MSG, ALT, DTA,

C&S

CLS Print current values, then clear link statistics (see

LINKSTAT).

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COMMAND DESCRIPTION PARAMETERS RANGE

†COMPRESSION{,action} Enable/disable data compression on outbound

messages/data reports. Intermediate nodes pass

on the information in compressed form. The

destination decompresses the information.

action =

ON – enable

OFF – disable

CONFIG Show current configuration parameters report.

NOTE

Configuration in CPM may differ unless the SAVE

command is used after configuration changes

are made.

CONFIGURATION List major Master Station configuration settings.

†CONNECT,{nnn…} Limits Master-to-Master connectivity for lab and

field network configuration. The radio will only

communicate with the other radios in it’s

connect list.

nnn = Master Station

OFF = no limitation

1 – 253

CORPAT Without parameters, display report of available

correlation patterns and indicate usage.

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COMMAND DESCRIPTION PARAMETERS RANGE

†CORPAT,RX,action {,pppp...} Define Receiver correlation patterns to

recognize. Pattern 1 is the default and is the only

pattern recognized if no others specified. Up to

16 pre-defined patterns are recognized.

action =

ON – define patterns

OFF

– use only default

pattern

pppp = pattern number;

ALL

means recognize all

patterns

1 – 8

†CORPAT,TX,pppp {,ALWAYS}

Define Transmitter correlation pattern to send.

Pattern 1 is the default and is the only pattern

recognized if no other specified. Up to 16 pre-

defined patterns may be used.

pppp = pattern number

ALWAYS

means use specified

pattern instead of received

pattern

1-- 8

CR10X Display CR10X configuration parameters

†CR10X,ACQMODE,mode Set CR10X acquisition mode - Get all reports

since last UPDT

mode =

ALL – get all reports since

last update

CURRENT – get only the

current data report

LAST,n – get last “n” data

reports

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COMMAND DESCRIPTION PARAMETERS RANGE

†CR10X,GROUP,source Specify source of data report group assignment.

source =

545C – 545C assigns group

numbers; CR10X internal

group number matches data

array

CR10X – CR10X assigns

group numbers; 545C gets

group number from first

sensor

†CR10X,INTERVAL,n Acquisition scan interval in seconds. OFF disables

acquisition scan

n = seconds 0 – 32767

CR10X,MAXQ,nnn Set maximum number of reports to queue for

each scan of the CR10X

nnn = number of reports 1 – 200

CR10X,ORDER,order Specify order of final storage data (currently only

FIFO is available).

order =

FIFO – first in, first out

LIFO – last in, last out

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COMMAND DESCRIPTION PARAMETERS RANGE

CR10X,REGISTER,n{,ddd} Read/Set internal storage register. n = register number

ddd = value

1 – 28

Signed floating

point number

(see CR10X

manual)

CR10X,RESET Reset CR10X internal error counters to zero

†CR10X,SCALE,type Define sensor scaling type.

type =

545C – data scaled in

integer hexadecimal units

CR10X – data scaled in

Campbell Scientific floating

point format

CR10X,SECURITY,nnnn,

nnnn,nnnn

Enter CR10X Internal Security Codes. See CR10X

manual. If CR10X program contains security

codes, this command (with correct security

codes) must precede any other command for

CR10X to respond.

nnnn = security code 0 - 9999

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COMMAND DESCRIPTION PARAMETERS RANGE

CR10X,SETPTR,date,time Manual set up of last data pointer in the MCC-

545C

date = mmddyy

time = hhmm

mm = 1 - 12

dd = 1 - 31

yy = 0 - 99

hh = 0 - 23

mm = 0 - 59

CR10X,SIGNATURE Read and Display Current CR10X program

signature. The Signature is a checksum of

program bytes.

Signature = checksum 0 - FF (hex)

CR10X,STAT Read and display CR10X internal pointers and

error statistics.

†CR10X,TIME,source Specify source of data report group timestamp.

source =

545C – 545C assigns

timestamp

CR10X – CR10X assigns

timestamp; 545C gets

timestamp from second and

third sensors

CUSTID,nnnnn Display/Set customer id for this radio.

nnnnn= customer ID

1-99999

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COMMAND DESCRIPTION PARAMETERS RANGE

DATE{,mm/dd/yy} Set system date. If no parameters are given,

show current date. If parameters are given, DOS

calendar will also be updated.

mm = month

dd = day

yy = year

1 – 12

1 – 31

0 – 99

DEL MSG,nnnn:sss Delete specified message. nnnn = Station ID

sss = message serial #

1 – 255

*DESTINATION{,nnnn....} Set default message/data destination(s). Enter 0

to use source routing at the Master Station. If

you turn off the 545C’s default destination, no

data will be queued, and the message editor will

ask you to enter a destination before sending a

message. Up to four destinations may be

specified.

nnnn = OFF, 0 or Station ID:

Master = 1 – 245

Remote = 256 – 4095

0 – 4095

*DEVICE{,type} Select device type mode of operation (i.e., the

545C acts as a Remote or a limited Master

Station).

type = REMOTE

MASTER

DG1100 ,COMMAND,{TX} Typical command with Optional transmit to Host

DG1100,DATE Read Current date

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COMMAND DESCRIPTION PARAMETERS RANGE

DG1100,TIME Read current time

DG1100,LP,LAST Most recent interval load profile

DG1100,LP,DAYS Most recent interval load profile

DG1100,LPA number of days of load profile

DG1100,ID Load Profile Accumulators

DG1100,RB Meter ID

DG1100,RB Rate Bins

DG1100,DEMAND Instantaneous Demand Info

DG1100,METRIC Third metric values

DG1100,ERR Error codes

DG1100,DIAG GYRBOX Diagnostic information

DG1100,PHASE GYRBOX Phase information

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COMMAND DESCRIPTION PARAMETERS RANGE

DIRECT When entered without parameters, the

command will display a table of all the current

settings for all the ports. For a detailed

description of DIRECT commands, please refer to

Section 4.5.3.3.

DIRECT, p, CONNECT STRING,

OFF

Disables the connect string option. The 545C will

not expect a connect string, and will stay

connected all the time.

DIRECT, p, CONNECT STRING,

connect-text-string

Defines a text string of up to 19 characters that

is output by the external equipment to establish

a connection with the MCC-545C DIRECT port

task. The 545C will receive the connect string

and output the connect response string if one is

defined.

DIRECT, p, CONNECT STRING,

ANY

Defines that any unspecified text string will be

accepted to establish a connection.

DIRECT, p, CONNECT

RESPONSE, OFF

Disables the response string option.

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COMMAND DESCRIPTION PARAMETERS RANGE

DIRECT, p, CONNECT

RESPONSE, response-text-

string

Defines a text string to be output by the MCC-

545C to the external equipment to confirm a

connection has been established.

DIRECT, p, PACKET TIMEOUT,

decimal-imeout-ticks

Defines the timeout period in 1/16 second clock

ticks that marks the end of a packet. After each

character of the packet is received the timer is

reset. After the last character has been received

and the timeout passed, the characters received

will be placed in a message and queued for

transmission.

DIRECT, p, PACKET

TERMINATOR, OFF

Disable packet termination using a specified

character code.

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COMMAND DESCRIPTION PARAMETERS RANGE

DIRECT, p, PACKET

TERMINATOR, decimal-char-

code

Enable packet termination when the given

character code is received. For example using a

carriage return to terminate each packet would

transmit each line of input as a separate

message. The decimal code for carriage return is

13. The decimal code for linefeed is 10.

DIRECT, p, MAX PACKET,

length

Defines the maximum length of a message. As

characters are received on the port, they are

filled into a buffer, and when the max size is

reached, a new message is transmitted. One

might want to transmit a message for each 256

characters, or for each 100, etc. The largest

value that can be used by the MCC-545C is 3500

characters per message

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COMMAND DESCRIPTION PARAMETERS RANGE

DIRECT, p, ETE, ON

Defines the “reliable” type of message delivery.

The source unit will retain each transmitted

message and periodically retry them until the

destination unit receives them and sends an

end-to-end-acknowledgement for each message.

It is possible for messages to be delivered out

the destination units I/O port out of sequence

when a retry has occurred. Duplicate messages

will be filtered out. This method may be slower

than when ETE's are turned off because there

are more messages being sent through the

network.

DIRECT, p, ETE, OFF

Disables the “reliable” type of message delivery.

The source unit will not retain each transmitted

message for retries. Each message will be

deleted as soon as transmitted. It will be the

responsibility of any receiving equipment to

manage the message reliability. If any message

gets lost in the RF network, then all characters in

that message will be lost.

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COMMAND DESCRIPTION PARAMETERS RANGE

DLOG The DLOG command allows you to use unique

freeform commands supported by the TM8/T

data logger plus several special macro

commands. Macro commands consist of 2 or

more commands that may be dependent on the

previous command response.

DLOG,ID,nnnn Defines the id of TM8/T data logger into the

MCC-545C.

nnnn= data logger id

number

DLOG,ID Displays the id of the TM8/T data logger.

DLOG,DUMP Dumps all the TM8/T data into MCC-545C and

clears the TM8/T’s data logger memory so it can

continue to collect new data.

DLOG,CHECK Returns the TM8/T “HEADER” programming

parameters.

DLOG,TIMESET Synchronizes the TM8/T’s date/time clock to

that of the 545’s.

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COMMAND DESCRIPTION PARAMETERS RANGE

DQERXQ,nnnn:sss Delete specified message from the receive

queue

nnnn=Station ID

Master = 1 – 245

Remote = 256 – 4095

sss = msg serial number

1 – 4095

1 – 245

DQETXQ,nnnn:sss Delete specified message from the transmit

queue

nnnn=Station ID

Master = 1 – 245

Remote = 256 – 4095

sss = msg serial number

1 – 4095

1 – 245

*DUTY CYCLE {,percent} Set/display transmitter duty cycle (default is

10%). Duty cycle increases in increments of 5%.

percent = 1 – 100 1 – 100

EVENT Show Event Table. For details, please refer to

Section 4.6 and Appendix D.

EVENT,DEL,ALL Delete Event Table.

EVENT,DEL,n Delete Event Number 'n'.

EVENT,RESET,ACTION Define an action to be taken at power-up/reset.

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COMMAND DESCRIPTION PARAMETERS RANGE

EVENT,{DIOHIDIOLOW},BIT,S

ETTLE,HOLDOFF,ACTION

Define an event that looks for a discrete input

line to go to a high/low level.

DIOHI = Scan discrete input

signal for high condition.

DIOLOW= Scan discrete

input signal for low

condition.

Bit-name= Name of discrete

input signal to be scanned

for high level. (single or

multiple inputs)

Settle= Number of clock

ticks for the input signal to

settle at the high level

before clearing an event

Holdoff= Number of clock

ticks for the analog input

signal to settle at the low

level to be armed for

detecting the next event.

Action= MCC-545C action to

be taken when the event is

declared. See actions below.

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COMMAND DESCRIPTION PARAMETERS RANGE

EVENT,{ADCHI,ADCLOW},CHA

N,LEVEL,SETTLE,HOLDOFF,AC

TION

Define an event that looks for an analog input

signal to go at or above a high level, or to go at

or below a low level

ADCHI= Scan A-to-D

converter channel(analog

input signal)for high

condition

ADCLOW= Scan A-to-D

converter channel(analog

input signal)for low

condition

Level= Signal level for the

event to trigger at or above

(for hi-level), or at or below

(for low-level) which the

analog input signal must

persist in order for an event

to be declared. Scaled in

Engineering Units.

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COMMAND DESCRIPTION PARAMETERS RANGE

EVENT,{IFGT,IFLT,IFEQ},BIT1,

BIT2,ACTION

Test whether a time, counter or accumulator is

greater than/less than/equal to another timer,

counter or accumulator.

IFGT= If this parameter is

greater than second

parameter.

IFLT= If this parameter is

less than second parameter.

IFEQ= If this parameter is

equal to second parameter.

Bit1= Name of a timer,

counter or accumulator to

test.

Bit2= Name of a timer,

counter or accumulator to

test Bit1 against.

Action= MCC-545C action to

be taken when event is

declared. See actions below.

EVENT,CONT,ACTION

EVENT,DO,ACTION

The CONT(Continue) event is used to define

multiple actions to an event. An event definition

command can be followed by any number of

CONT commands and are considered to be an

extension of the previous event command.

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COMMAND DESCRIPTION PARAMETERS RANGE

EVENT,TEXT

Show Event Text Message Table

EVENT,TEXT,{TEXT ITEM

NUMBER, MESSAGE TEXT}

Add a new text string into the text table. This

command will replace an existing item if one

already exists with the same item number.

TEXT= Define a Text string

command.

Item-number = Item

number to be created or

replaced by this command.

Message text = Body of the

text. Can be up to 40

characters, and will be

converted to upper case.

The text is used by the TXT

or CMD action to send a

text message or issue a local

command.

TEXT= 1-40

MESSAGE TEXT

= upto 40

Chars.

EVENT,TEXT,DEL,ALL

Deletes all previously defined text items.

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COMMAND DESCRIPTION PARAMETERS RANGE

EVENT,TEXT,DEL,ITEM

NUMBER

Deletes a specific item from the text table. This

command makes the given item be a null

message. The other text string items in the table

are not affected.

EVENT,DISPLAY,ITEM

NUMBER

Display a specific item from the text table.

EVENT,GROUP Show Group Table

EVENT,GROUP,DEL,ALL Delete all Group definitions. Clears the group

table.

EVENT,GROUP,DEL,GROUP-

NUMBER

Delete a specific group definition from the group

table. This does not cause the other defined

groups to be renumbered.

EVENT,UPDT,GROUP

NUMBER

Produce an immediate SDATA group report

when the command is entered.

UPDT = Update sub-

command; i.e. issue a group

sensor data (SDATA) report.

Group-number= Group

number to be reported in

an SDATA report.

Group Number

= 1-16

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COMMAND DESCRIPTION PARAMETERS RANGE

EVENT,STATUS,{bit-name, or

chan-name}

Display an immediate value for any discrete input

bit or any ADC channel.

For more information on EVENT Programming,

see Section 4.6 and Appendix D.

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COMMAND DESCRIPTION PARAMETERS RANGE

EVENT,ACTION Immediate command

Where ACTION =

TXT,40 CHAR TEXT Msg

CAN,NNN

POS

MARK

COLLISION

SET{/N,/T},BIT or SET,{Tn,Cn,An},ttt

CLR{/N},BIT or CLR,{Tn,Cn,An}

PULSE,BIT,HI,LOW,COUNT

UPDT,GROUP-NUMBER

{INC,DEC},Cn

{ADD,SUB,MUL,DIV},An,Value

MOV,{Tn,Cn,An},{Tn,Cn,An}

ADCIN,CHAN,An,Fmul - Read ADC Channel into

Accumulator

Where CHAN =

FPWR,RPWR,LBAT,DETRF,TEMP,TXC,RXC,AC

K,PROBE,REMOTE,

ADC1-ADC6,XADC1-XADC6,SS/ch/loc

Where BIT =

(inputs)DTR RTS IN1 IN2 IN3 IN4

(inputs)XIN1,XIN2...XIN8

(outputs)DSR CTS RING MCLK MDIR MSET RO1

RO2

(outputs)Xout1,XOUT2...XOUT10

(Status Bits)BIT0 ... BIT15

(Timers)T1,T2...T8

(Counters)C1,C2...C8

(Accumulators)A1,A2...A24

(Logical Operators) '&'=AND, '|'=OR, '!'=NOT

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COMMAND DESCRIPTION PARAMETERS RANGE

FACTORY,DEFAULT,INIT Restores the factory default parameters. Please

refer to the Factory Default Parameters defined in

Appendix B.

FEC Show current Forward Error Correction Settings

FEC,mode The system operator can enable the FEC

operation using the FEC,FIXED or the FEC,AUTO

command. The FEC,ON option will default to the

FEC,AUTO mode.The FEC,OFF command will

disable the software from transmitting FEC

frames, but it can still receive FEC frames from

other units.

Mode=

ON, OFF, FIXED,

AUTO

FEC,{ERRORS,n} max number errors to correct

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COMMAND DESCRIPTION PARAMETERS RANGE

FEC,{TEST,n,{FIXED,RANDOM}

}

The FEC, TEST,n specifies a byte interval to inject

errors in the transmitted RF frames. The

minimum interval is every 5 bytes, the maximum

is every 40 bytes. The FIXED option of this

command will create equally-spaced errors, and

each frame will have the same error spacing. The

RANDOM option will use a different random

interval for each RF frame transmitted. The

minimum interval will be 5 bytes, and the

maximum interval will be “n” bytes. The spacing

between errors in any frame is still equally

spaced, however.

5-40

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COMMAND DESCRIPTION PARAMETERS RANGE

FEC,{HISTORY,n} The FEC,HISTORY,n command defined the

number of transmissions that will be used by the

algorithm to compute the number of errors

correction parity bytes for each subsequent

transmission. “n” can be set from 1-19. The size

of the history queue determines how many

points are averaged, and can effect the

responsiveness to changes in the RF

environment much like a low-pass filter. The

longer the queue, the slower the response, and

the shorter the queue, the quicker the response.

The default value is 5.

FREQUENCIES Shows the Active Transmitter and Receiver

frequency and the frequency table where up to

10 frequency channels can be defined.

To change/set the frequency of the radio is a

two step process:

Select the TX and RX Frequency, along with the

channel number to be assigned to that

frequency in the frequency table.

Assign that channel to the frequency synthesizer

from the frequency table.

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COMMAND DESCRIPTION PARAMETERS RANGE

FREQUENCIES,xxxx,yyyy,z Select Frequencies from the Transmitter and the

Receiver

xxxx

= Transmitter Frequency

yyyy= Receiver frequency

z = Frequency Table Channel

Number

xxxx

= 40 - 50 or

43-46 MHz

yyyy= 40 – 50 or

43-46 MHz

z= 0 – 10

FREQUENCIES,z Load up Channel z from the list frequency

channels under frequency table.

= Frequency Table Channel

Number

z= 0 – 10

*FULL DUPLEX Set 545C in full-duplex mode.

IMPORTANT

When set to full-duplex mode, the MCC-545C’s

receiver is disabled by the built-in Tx/Rx switch.

Do not use full-duplex mode without first

consulting with your System Administrator.

NOT APPLICABLE

GATEWAY UAIS MSC port Gateway mode on,off

GENERIC show settings

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COMMAND DESCRIPTION PARAMETERS RANGE

GENERIC,Port,TYPE,{AUTO,LI

NE,OFF}

This command selects whether the report is in a

single line format or multiple line format. AUTO

specifies single line with free-format, and LINE

specifies the multiple line format. The OFF

option is provided to turn off a previously set-up

port.

GENERIC,Port,GROUP,AUTO The AUTO group numbering will start at group

number 1 and increment by 1 for each 16 sensor

values.

GENERIC,Port,GROUP,LINE,1s

tGrpNo,START,END

The LINE option allows the group number to be

within the data at the given line number and

between the given start and end column

numbers.

GENERIC,Port,GROUP,FIXED,

GrpNo

The FIXED option will use the Line Number

parameter as the first group number then

increment by 1 for each 16 sensor values.

GENERIC,Port,GROUP,SCALE,{

FLOAT,INT}

The SCALE option will scale sensor values by the

factor given. (Default scale is “1”.)

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COMMAND DESCRIPTION PARAMETERS RANGE

GENERIC,Port,DATE,AUTO

The AUTO date option will use the MCC-545C

internal Date.

GENERIC,Port,DATE,LINE,Line

No,START,END{FORMAT}

The LINE option allows the date to be within the

data at the given line number and between the

given start and end column numbers.

The FORMAT is optional,

and shows a “template” of

the date format. It can be

“MM/DD/YY”,

“YY/MM/DD”, “MMDDYY”,

“YYMMDD”. If the format is

not given it will default to

the “MM/DD/YY” format.

GENERIC,Port,TIME,AUTO The AUTO time option will use the MCC-545C

internal time.

GENERIC,Port,TIME,LINE,Line

No,START,END,{FORMAT}

The LINE option allows the time to be within the

data at the given line number and between the

given start and end column numbers.

The FORMAT is optional,

and shows a “template” of

the time format. It can be

“HH:MM:SS”, “HH:MM”,

“HHMMSS”, “HHMM”. If

the format is not given it

will default to the

“HH:MM:SS” format.

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COMMAND DESCRIPTION PARAMETERS RANGE

GENERIC,Port,SENSOR,AUTO

In AUTO mode, sensor values are delimited by

blanks or commas and there may be several per

line.

GENERIC GENERIC, P,

SENSOR, AUTO, Line Number,

Start

If the line number is given, data can start on

other than the 1

line.

GENERIC , P, SENSOR, LINE,

Line Number, Start, End

if the start parameter is given, data can begin in

a column other than the 1

column.

GENERIC,Port,POLL,POLLSTRI

NG,Interval

The polling feature can be used for data loggers

that do not print a data report unsolicited, but

require some command string to be sent to

request the next report. The poll string can be

any printable ASCII characters up to 20 bytes in

length. The INTERVAL parameter is given in

decimal and is the number of seconds between

outputting the poll string.

GENERIC,Port,REPORT,OFF

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COMMAND DESCRIPTION PARAMETERS RANGE

GENERIC,Port,REPORT,Report

String

The report string allows the definition a fixed

string of printable ASCII characters that is at the

beginning of each new set of report characters.

This is useful for ignoring bursts of non-report

text. Each report is started with the report string

and ends with the timeout parameter.

GENERIC,Port,COMMAND,Co

mmand String

If the data logger can accept commands as a

single line of text (no embedded <cr><lf>)

without having to be locally present at the data

logger to type keys into a menu, then this

capability may be just the ticket. When a remote

command is received by the MCC-545C, it will

output the Command String bytes to the data

logger preceded and followed by a carriage

return and line feed. The response text, up to

1024 bytes, will be captured and returned to the

originating modem as a remote command

response message.

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COMMAND DESCRIPTION PARAMETERS RANGE

†GLOF{,nnnn,nnnn} Define the IDs for use as GLOF sensor

Stations/display total GLOF setup.

nnnn = Station ID

Master = 1 – 245

Remote = 256 – 4095

OFF disables GLOF sensor

Stations

1 – 4095

†GLOF MONITOR,t,action Setup timeout (in seconds) and action for the

GLOF MONITOR Station

t = timeout in seconds

action = ALERT,

FLOOD

10 – 3600

GYRO

Display GYRO Heading

†*HALF DUPLEX Set 545C in full-duplex mode.

HELP{,command}

Display help information on specified command. If no

parameter entered, all commands are sequentially

displayed in alphabetical order.

command = valid 545C

command

*HOLD Select message hold mode.

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COMMAND DESCRIPTION PARAMETERS RANGE

†HORN,function{,open,

close,on,off,duration}

Defines horn timing setup function = TEST, FLOOD,

STAGE 2, STAGE3, ALL

CLEAR

open = valve opening time

close = valve closing time

on = on time

off = off time

duration = overall duration

for on/off cycle

All times in

seconds

1 – 15

1 – 3600

1 - 3600

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COMMAND DESCRIPTION PARAMETERS RANGE

†HOST MODE{,mode} Define host mode functionality in composite

networks when host link is not available.

STOP

= stop transmitting if

host connection lost

CONTINUE

= keep

transmitting if host

connection lost, but set bit

flagging loss in probe

OFF

= ignore host connection

state; keep transmitting and

do not set bit flagging loss in

probe

*HOURLIES{,action} Turn on/off hourly statistics. action =

ON – enable

OFF – disable

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COMMAND DESCRIPTION PARAMETERS RANGE

If device – Remote: Normal

operation

†*ID{,nnn,mmm{,mode}

{,INIT}}

NOTE

Remote and Master IDs are

kept in CPM and mode is kept

in BBU RAM.

Set 545C’s assigned Master Station ID to number

“nnn”. When no parameters are given, current

ID is displayed. When system is already

initialized, you must enter the INIT parameter to

change ID. INIT gives “OK” to save configuration

and reboot unit with new ID. ID changes are

automatically saved with the entire

configuration in CPM. “mode” parameter (if

used) specifies initial connectivity with specified

Master. PREF means Remote considers

connectivity established. AUTO means no

connectivity established. MULTI means Remote

can connect to multiple Master Stations. FIXED

(Default) means connect only with specified

Master.

NOTE

If command does not change the ID or Master

Station, the SAVE and reboot are not performed.

nnn = Remote ID

mmm = Master ID

mode mode =

PREF, AUTO,

MULTI, or FIXED

256 – 4095

1 – 245

†ID,mode Change “mode” as discussed above without

affecting ID; no reboot performed.

mode = PREF, AUTO,

MULTI, or FIXED

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COMMAND DESCRIPTION PARAMETERS RANGE

If device = Master:

*ID{,nnn{,INIT}}

Set 545C’s assigned Master Station ID to number

“nnn”. When no parameters are given, current

ID is displayed. When system is already

initialized, you must enter the INIT parameter to

change ID. INIT gives “OK” to save configuration

and reboot unit with new ID. ID changes are

automatically saved with the entire

configuration in CPM.

CAUTION

If you enter INIT, you will lose all current

message information.

nnn = assigned Master ID

1 – 245

LINKSTAT Show the complete linkstat table. The up arrow “

^” next to the unit ID denotes the current

neighbor(s). The dash “–” means that the unit(s)

is declared as neighbor down, or is being

received over the RF link.

LINKSTAT,{M}asters,

{B}rief

LINKSTAT,{R}emotes,

{B}rief

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COMMAND DESCRIPTION PARAMETERS RANGE

LINKSTAT,{U}p,{B}rief

LINKSTAT,{D}own,{B}rief

LISTM{,nnnnn…} Display Remotes with burst monitor bit set (all

Remotes or given IDs up to 12).

nnnnn = Station ID

Master = 1 – 245

Remote = 256 - 4095

1 – 4095

LISTT{,nnnnn} Display Remotes with “Type” flag set (all

Remotes or given IDs up to 12)

nnnnn = Station ID

Master = 1 – 245

Remote = 256 - 4095

1 – 4095

LOCATION{,latitude,longitude

} format

Set/display the position information (latitude,

longitude). You can enter the location

information manually to calculate distance, etc

from the other radios when there is no GPS

connected physically to the radio. The radio will

not transmit the position information if there is

no GPS connected, you can use “UPDT, POS” to

transmit your location information.

Format

example>47:14.1234N,122:

16.7812W

LOCK,{ID,CONFIG} Lock the ID or CONFIG settings

When ID and CONFIG both locked, one cannot

change the following settings of the radio: ID,

FREQUENCIES, CUSTOMER ID and the SERIAL

NUMBER.

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COMMAND DESCRIPTION PARAMETERS RANGE

†LOGOFF Used to disallow operator commands with

automatic 10 minute timeout for LOS role and

60 minute timeout for TRANSPOND role. Logs

you off, disables ALL following operator

commands except LOGON, $PENTM, or SDATA.

†LOGON,password LOGON used to allow operator commands. To

log onto a unit, enter the LOGON command

followed by the current password. This will

remain in effect for a timeout period (10 or 60

minutes depending on operating mode), or until

you log off. Default = MCC-545C

Password = 3-20 character

password

A-Z, 0-9, -

*LOS CHECKIN{,ii,rr} Select check-in interval (in seconds) and retry

count for LOS operation.

ii = interval

rr = retry

1 – 65535

MEM Show usage of dynamic pool memory.

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COMMAND DESCRIPTION PARAMETERS RANGE

MESSAGE

{,p{,dest1…destn}}

Enter a message with text editor. Message

priority and destination are optional parameters.

After entering message, press [ESC] to queue for

transmission. If you do not enter a destination

ID, the MCC-545C automatically sends your

message to its default destination (set with the

DESTINATION command). If you want to use

source rounting, enter 0 for the destination.

p = priority

dest1...destn =

destination(s)

name = node name

nnnn = Station ID

Master = 1 – 245

Remote = 256 – 4095

A – Z, 0 – 9

1 – 4095

MM Print current value of RF signal on Receiver in

dBm.

MODE Print operating mode information.

*MODULATION,degree,

encoding

Set the transmit modulation and data encoding.

IMPORTANT

MCC-545C modulation must be the same as

other units in the network.

degree =

90 or 30

encoding =

MAN(Manchester),

DIFF(Dfferential)

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COMMAND DESCRIPTION PARAMETERS RANGE

†MON{,d{,r}} Turn on burst monitor. Only meteors lasting long

enough to deliver “d” characters will be

monitored. If at least “r” characters were

received, a monitor line is generated.

d = duration character

count limit

r = received character count

limit

0 – 32767

MONITOR{action{,nnn

{,nnn,…,nnn}}}

Control monitoring of individual units and print

burst statistics. Overrides MONOFF command

and causes monitor lines to print for each

reception from this unit.

action =

ON – enable

OFF – disable

nnn = units to be monitored

ALL – default

Master = 1 – 245

Remote = 256 - 4095

1 - 4095

†MONOFF Turn off burst monitor

*MSG Display and delete top operator message in

receive queue when message HOLD is enabled.

MSTUP,ID Force Master Neighbor up

MSTDOWN,ID Force Master Neighbor down

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COMMAND DESCRIPTION PARAMETERS RANGE

NOISEBLANK{,ON,OFF} Turns Noise blanking ON or OFF

NET Display network routing table for all selected

neighbors.

NET – no neighbors

NET1,2 – 1,2, etc., neighbors

NET,all – all neighbors

NEWPASSWORD,old

password, new password

Used to change the password. The NEW

PASSWORD command is used to change the

internal stored password. You must be logged on

and know the old password. The password will

automatically be saved.

password = 3-20 character

password

A-Z, 0-9, -

†OPEN PORT

Resume activity on specified closed port. You

can enter more than one port name to open,

using commas to separate the names on the

same line.

CAUTION

The OPEN/CLOSE PORT commands directly

affect 545C network activity and message flow.

Do NOT use these commands.

function = user interface

function

MNT, POS,

MSG, ALT, DTA,

C&S

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COMMAND DESCRIPTION PARAMETERS RANGE

*P{,?}{,xxx}{,OFF}

Configures 545C for pulse probe mode. If no

parameters are entered, transmit single pulse

probe. Enter transmit single pulse probe. Enter

P,? to display current pulse probe mode settings.

Enter P,xxx to send a single periodic probe once

every “xxx” seconds. Enter P,OFF to turn off

periodic pulse mode (you can still transmit single

pulses with P).

? = current settings

xxx = periodic pulse period

(in seconds)

OFF = turn off periodic pulse

mode

P77 The P77 command must be used to place the

Julian date into position one, and Hour/Minute

into position two. With this setup, the MCC 545C

will strip off the first two sensor values and place

the date and time derived from these values into

the standard MCC 550B report.

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COMMAND DESCRIPTION PARAMETERS RANGE

†PASSWORDMODE,action,

password

Used to enable/disable use of passwords.

Default is disabled. To enable or disable the

operation with passwords, enter this command

giving the desired action along with the current

password for the unit. This will trigger an

automatic “save” operation. If set to the ON

mode, the state of the unit will be set to

“logged-off”. All operator and remote

commands except scheduled commands,

$PENTM commands, and SDATA commands will

respond with “ACCESS DENIED!”. You will not be

able to turn off the mode without first logging

on.

action =

– enable

OFF

– disable

password = 3

-20 character

password

A-Z, 0-9, -

PICREV Shows PIC Software Revision number

PRE Shows status of preamble bits in the TX frame.

PRE,TOTAL BYTES,NUMBER

NULLS,BIT PATTERN

Define your own preamble pattern of 1’s and 0’s.

BIT PATTERN =

1 = 01010101

2 = 00110011

PTO {1-65,000} Power down delay in seconds. The radio shuts

itself OFF after the PTO timeout.

1-65,000

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COMMAND DESCRIPTION PARAMETERS RANGE

$PENTM Without parameter string, display report of

current Entek MDP configuration.

†$PENTM,

ALERTEVENTS{,mask}

Set bit mask indicating Entek MDP status bits

regarding as alarms. Status bits are checked

against this mask on intercepted position reports

and an alert message is sent to the local MNT

and DTA ports for each match.

mask = hexadecimal bit mask

0 – FFFF

†$PENTM,ALERTMSGS

{,nnn...}

Define canned messages constituting an alert.

Any number may be defined (up to 10 per line).

Intercepted messages matching one of these

numbers cause an alert message to be sent to

the local MNT and DTA ports.

nnn = canned message

number

1 – 120

$PENTM,command string Send command string to local Entek MDP. command string = any valid

Entek MDP command string

†$PENTM,action Enable/disable Entek MDP interface. When

enabled, allows communication with mobile

data processor in vehicle tracking applications

and causes received status bits from the MDP to

be included with the position data in the

Remote's data reports.

action =

ON – enable

OFF – disable

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COMMAND DESCRIPTION PARAMETERS RANGE

†POLL{interval,offset,

duration,retry}{,ALWAYS}

Define/display polling schedule for

Base/Repeater Station. If ALWAYS parameter

specified, do not timeout on-line units (i.e.,

ignore retry count in this case).

interval = polling interval in

seconds

offset = offset from top of

minute

duration = length of poll

retry = retry count for failed

polls

1 – 86400

1 – 59

1 – 10

1 – 99

*POS{,interval,format,

protocol}

Display/initialize internal 545C timing for

reporting GPS position data. Specify update

period in seconds, in either binary or text

format, using given protocol.

interval = reporting interval

in seconds

format = display format

protocol = GPS unit protocol

0 – 65535

BINARY, TEXT

NMEA, ARNAV,

TAIP, TRANSAS

†POS,LOCAL{,interval} Display/initialize timing for local output of

position reports on MNT and DTA ports as well

as sending them.

interval = reporting interval

in seconds; OFF disables

local output

1 – 86400

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COMMAND DESCRIPTION PARAMETERS RANGE

†POSRPT{,action} Enable/disable echoing of intercepted position

reports to local MNT and DTA ports. Also used to

enable/disable duplicate filtering and control

format of these reports.

action =

– enable

OFF

– disable

DUPL,ON

– enable duplicate

filtering

DUPL,OFF

– disable duplicate

filtering

FORMAT,LONG

– output

report on two lines

FORMAT,SHORT

– output

report on one line

PRG,nnn Undefine 545C Station from network. nnn = Master Station ID 1 - 245

*PRINT Enable messages to print as they are received.

†PRIORITY,message type,p Define priority characters for each message type.

message type = FLOOD,

ALERT, ROUTINE

p = priority

A – Z, 0 – 9

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COMMAND DESCRIPTION PARAMETERS RANGE

†RCT{,action} Display/set remote control terminal

functionality. This functionality is applicable to

Packet protocol systems only and controls

whether the unit ignores intercepted data

reports. If enabled, intercepted reports are

ignored.

action =

ON – enable

OFF – disable

RED Without parameters, generates report of current

RED setup.

†RED,ID,nn-nnn Enables reception of remote emergency

indications from an MCC Remote Emergency

Device (RED). The entered ID code is used with

RED messages generated by the 545C using

RED,TEST or RED,TX.

nn = call sign prefix

nnn = call sign suffix

0 – 99

0 – 999

†RED,NUM,n Set dead-band interval in which repeated RED

activations do not generate another alert

message.

n = dead-band interval in

seconds

1 – 120

†RED,OFF Disable reception of remote emergency

indications from an MCC Remote Emergency

Device (RED).

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COMMAND DESCRIPTION PARAMETERS RANGE

RED,TEST Simulate a RED test message. Unlike a true RED

test button depression, this message is also

echoed to the local MNT and DTA ports.

RED,TX Simulate a RED alert message. Unlike a true RED

alert button depression, this message is also

echoed to the local MNT and DTA ports.

REMCMD

,p,dest1{,…destn}

With the text editor, enter a command to be

sent to a Remote. After entering command,

press [ESC] to send the command.

p = priority

dest1…destn destination(s)

name = node name

nnnn = Station ID

Master = 1 – 245

Remote = 256 – 4095

A – Z, 0 – 9

1 – 4095

REG Show Registration data

REMDOWN,ID Force Remote Neighbor down n= radio ID

REMOTES{,n} Maximum number of remotes

REMUP,ID Force Remote Neighbor up

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COMMAND DESCRIPTION PARAMETERS RANGE

REMOTE STAT{,nnnnn…} Display transmit/receive statistics for all Remote

Stations or for given IDs (up to 12).

nnnn = Station ID

Master = 1 – 245

Remote = 256 – 4095

1 – 4095

†REMOTE TYPE{,aaaaa} Display/set communication characteristics of the

unit. Determines how certain statistics are

reported and how remote commands/messages

are framed.

aaaaa =

COMM

DATA

PACKET

*REPEATER{,nnn} Define/display Base Station to which the

Repeater site repeats.

nnn = Base Station ID

OFF

clears a previously

established definition

1 – 245

RESET Perform hardware reset to clear and reinitialize

I/O channels and RF controller. This command

retains previous network configurations and

message traffic.

REV Display part and revision numbers of current

Link Controller and Tx/Rx Controller software.

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COMMAND DESCRIPTION PARAMETERS RANGE

†*ROLE{,role{,low,high}

{,mode}}

NOTE

Role is kept in CPM and low,

high and mode are kept in

BBU RAM.

Define role played in network, either SILENT

(never transmits), TRANSPOND (responds to

probes), PROBE (actively probes), or LOS (line of

sight) mode. If role is set to TRANSPOND, the

low and high parameters can be used to specify

the threshold values for automatic meteor burst

vs. line of sight modes of operation and the

mode parameter can set the starting mode

(meteor burst or line of sight).

Thresholds are specified in idle probes per

minute. To prevent LOS operation altogether,

set the low threshold to 1000 if the unit’s Master

is half duplex or 5500 if it is full duplex.

role = SILENT, LOS,

TRANSPOND or

PROBE

low = threshold for

switching from LOS to MB

mode in idle probes per

minute

high = threshold for

switching from MB to LOS

mode in idle probes per

minute

mode = MB or

LOS

0 – 32767

RR,mode Remote Relay Mode. Specifies if the radio can

relay its data using another remote talking to the

base station.

Mode

= ON or OFF

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COMMAND DESCRIPTION PARAMETERS RANGE

†RTCM{,nnn} Define time latency in seconds between beacon

receiver and local time. Without parameter,

display report of satellites in view by beacon

receiver.

nnn = latency in seconds 0 – 59

RX STAT{,CLEAR} Display statistics for the 545C Receiver CLEAR = clear all statistics

after display

RXTYPE{,527,543,545b,545c} Select Receiver Type

SAVE Save CONFIG parameters in CPM. Reboot of

545C (or restart due to software failure) returns

unit to configuration saved in CPM.

†SCALE{,parameter,value} Display set A/D scaling factors for the unit.

Factors depend on type of receiver and power

supply used in the 545C.

parameter =

BAT – battery voltage

DETRF – detected RF

TXPWR – transmit power

value = scale factor

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COMMAND DESCRIPTION PARAMETERS RANGE

†SCHED{,basis,hh:mm:ss

{,OFFSET,hh:mm:ss},

command string}

IMPORTANT

SCHED ignores the MESSAGE

command. Up to 50 events

can be scheduled.

Schedule execution of the specified command

string. If timeframe basis = INTERVAL, the

command string will be executed whenever the

specified time interval elapses during the day. If

timeframe basis = TIME, the command string will

be executed at the specified time. The OFFSET

option allows specification of an offset from the

timeframe basis.

basis =

TIME

INTERVAL

hh - hours

mm - minutes

ss - seconds

0 – 23

0 – 59

†SCHED,DEL,nn Delete specified schedule item number. If nn =

ALL, the entire schedule will be cleared.

nn = schedule item number

1 – 50

SDATA,g,c,time stamp,

value...

Enter an MCC-550C data report directly from the

serial I/O port. Up to 16 values may be entered.

Use the LINK command to route the data.

g = group number

c = sensor count

time stamp = mmdddhhmn

value = ASCII hex sensor

value

1 – 4

1 – 16

mm 1 – 12

ddd 1 –365

hh 0 – 23

mn 0 – 59

0 – FFFF

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COMMAND DESCRIPTION PARAMETERS RANGE

†SENSOR{function}

{weight}{low,high}}}

Defines the GLOF sensor data limit for

fail/dry/wet determination. Gives the “weight”

(i.e., how significant) of each case for the flood

calculation.

Function:

DRY

WET

FLOOD

FAIL

LOW 1 - 99

HIGH 1 – 9999

WEIGHT 1 - 99

SERIAL{,sss} Set next packet serial number. Parameter “sss” is

serial number of last packet transmitted.

sss = message serial number 1 – 255

SERIALNUMBER{,sn} Display/Set serial number of this modem

*SET BAUD

{,function,rate,flow}

Adjust baud rate and flow control of specified

port. When no parameters are entered, this

command displays I/O configurations.

function = user interface

function

rate = baud rate

flow = flow control

MNT, POS,

MSG, ALT, DTA,

CANDS,

110, 150, 300,

600, 1200,

2400, 4800,

9600

Y or N

SHOW REMOTES Display ID and assigned 520B of each Remote in

system.

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COMMAND DESCRIPTION PARAMETERS RANGE

SHOW RXQ,nnnn Display contents of receive queue for the

originating Station.

nnnn = originating Station

Master = 1 – 245

Remote = 256 – 4095

1 – 4095

SHOW TXQ,nnnn Display contents of transmit queue for the

destination Station.

nnnn = destination Station

Master = 1 – 245

Remote = 256 – 4095

1 – 4095

SITENAME{,name} Show/Set Site name

SLEEP{,ON,OFF} Show/Set low power sleep mode

SML{,nnnn} Display names and serial numbers of message

packets in specified message list. If parameter is

not entered, all message packet names and

numbers are displayed.

nnnn = destination Station

Master = 1 – 245

Remote = 256 – 4095

1 – 4095

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COMMAND DESCRIPTION PARAMETERS RANGE

SMS{,nnnn} Display status of message packet in specified

message list.

nnnn = Station ID

Master = 1 – 245

Remote = 256 – 4095

1 – 4095

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COMMAND DESCRIPTION PARAMETERS RANGE

†*SNP{pname,value}

NOTE

Some network parameters

are only for use in Master

Operation mode (RDOWN,

CONNP, TEXTL, FLOODP, INF,

RELAY).

NOTE

TTL, TTR, NUP, NDOWN,

RDOWN, OTL, HTO, TEXTL,

CONNP, ETEAP, FLOODP,

RELAY and INF are kept in

CPM; DATAP and MBHOP are

kept in BBU RAM.

Set network parameters. See range column for

values entered for each parameter.

pname =

TTL

time

live

(truncated to nearest 10

minute boundary)

TTR time-to-retransmit

N UP neighbor up

N DOWN neighbor down

(minutes or number of

transmissions)

R DOWN Remote down

OTL outstanding text limit

CONNP connectivity msg.

precedence

ETEAP End-to-End ACK

precedence

HTO history file timeout

TEXTL text size in segments

FLOODP partial flooding

precedent level

INF infinity hop quantity

DATAP priority of data reports

created by 545C

MBHOP meteor burst link hop

weight for meteor burst links

RELAY relay function control

–

255

min.

default = 120

0 – 255 min.

default = 20

1 – 255 acq.

default = 20

1 – 255 min. or

transmissions

default = 20

0 – 32767

default = 1440

1 – 255

default = 20

0 – 9, A – Z

default = 1

0 – 9, A – Z

default = 0

1 – 255 min.

default = 120

5 – 255

default = 32

A – I

default = A

2 = 255 hop

default = 8

A – Z

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COMMAND DESCRIPTION PARAMETERS RANGE

*SOURCE RELAY{,nnnn}

Specify source routing table of one entry. The

designated Station will receive all information sent

without an explicit destination specification. If set to

OFF, such information is discarded.

nnnn = Station ID

Master = 1 – 245

Remote = 256 – 4095

†START Turn transmitter on.

STAT Display RF statistics report.

*STAT TIME{,xx} Set interval (in hours, starting at midnight) when

545C automatically transmits statistics to Master

Station.

xx = interval 1 – 24 hours

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COMMAND DESCRIPTION PARAMETERS RANGE

†STATION TYPE{,aaaaa} Display/set special Station functionality.

Determines how each Station responds to the

messages it receives and limits the type of

messages that can be created. Meaningful only

in Flood Warning and Maritime Weather

Systems.

aaaaa =

OFF

FLOOD BASE

FLOOD WARNING

GLOF SENSOR

GLOF MONITOR

GLOF WARNING

RELAY

STREAM GAUGE

SYSTEM MONITOR

WEATHER

†STOP Turn transmitter off.

†STT,secs Set command timeout (in seconds). Default is 15

seconds.

secs = time limit before reset

(0-off, >0-on)

0 – 32767

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COMMAND DESCRIPTION PARAMETERS RANGE

†SUBST,rrr,g1,nnn,g2 Substitute Remote unit information in data

reports received from a relay unit.

rrr = relay ID

g1 = relay grp#

nnnn = Remote ID

g2 = Remote grp#

1 – 245

0 – 15

256 – 4095

1 – 4

†SUBST,DEL,ALL Delete entire substitution table

†SUBST,DEL,rrr,g1 Delete entry in substitution table rrr = relay ID

g1 = relay grp#

1 – 245

0 – 15

†SWCTL,OFF Disables the monitoring and switching function.

†SWCTL,ON,

timeout

start

delay

When the software boots up from a reset state,

it will test the two RS-232 ports to determine

which one is currently active, assuming the

switch may have been manually controlled while

it was off. From then on, it monitors the two

Masters assuming the primary Master (1) is

connected to the DTA port, and the Secondary

Master (2) is connected to the ALT port.

timeout = inactivity time in

seconds resulting in

switchover.

start delay = interval in

seconds after starting

before monitoring Master

Stations.

1 – 32767

1 - 32767

SWCTL,SW,n Switch to designated Master Station switch

position.

n = switch position 1 - 2

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COMMAND DESCRIPTION PARAMETERS RANGE

SWMON Monitors both the RS-232 port and RF link. This

SWMON command should be placed in the

schedule of the 545C at an interval that detects a

Master Station failure within the required

system design. There are no parameters.

A typical example is: SCHED,I,5:0,SWMON

*SYNTH{,action} Display/set status of frequency synthesizer. This

command is applicable only to the MCC-545C.

action =

ON – enable

OFF– disable

T Show current date/time.

TEST Send test transmission and return updated

statistics (uses same format as STAT command).

TIME{,hh:mm:ss} Set system time. If no parameters are specified,

show current time. If parameters are given, DOS

calendar will also be updated.

hh – hours

mm – minutes

ss – seconds

0 – 23

0 – 59

TIMEPROBE Show current setting

TIMEPROBE,OFF Do NOT transmit time probes

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COMMAND DESCRIPTION PARAMETERS RANGE

TIMEPROBE,SLOW Tx Slow Time Probes Like 520B

TIMEPROBE,FAST Tx Time Probe once a minute

TIMESYNC Show current setting

TIMESYNC,ON Sync to ALL Master ID's

TIMESYNC,OFF Do Not Sync to Any Master ID's

TIMESYNC,ID1,ID2...ID10 Sync only to ID's in this list

TIMESYNC,GPS Use UTC from GPS

TIMESYNC,RTCM Use UTC from RTCM Beacon Receiver

†TIMEZONE{,UTC,sys} Set local time zone offsets from UTC time (GMT)

and system time.

UTC = offset from GMT

sys = offset from system

time

-12 – 12

TRACE,action,data stream Diagnostic command used to enable/disable

detailed analysis of the specified data stream.

action =

ON – enable

OFF – disable

date stream = RF, GPS, MSC,

RTCM

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COMMAND DESCRIPTION PARAMETERS RANGE

*TX LIMIT{,count} Set limit on number of transmissions allowed in

a 15-minute period (in minutes).

count = # of transmissions

period = minute

TYPE{,action{,nnn{nnn,…

,nnnn}}}

Control auditing of messages entered at specified

units and routed through the 545C.

action =

ON - enable

OFF - disable

nnn = units to be audited.

ALL – default

Master = 1 – 245

Remote = 256 – 4095

1 - 4095

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COMMAND DESCRIPTION PARAMETERS RANGE

UPDT{,function,parameters}

Send update message to data logger type device.

NOTE

: Read sensors but do

not transmit data read

TX: Read sensors and

transmit data read

TIME: Set time of 545C in

logger

TEST: Operate compo-nent

in test mode:

ALERT

FLOOD

HORN

GATE

WARNING

OUT: Set output register:

BYTE

BIT,BITNUMBER

BITS,STARTBIT, ENDBIT

ARM: Enable alarm

activation

DISARM: Disable Alarm

activation

RESET: Reset alarm

condition

POS: Schedule position

report at same time data

report sent

RM: Routine

message format

RMP: RMP

Message format

value

appropriate to

the register:

–

255

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COMMAND DESCRIPTION PARAMETERS RANGE

VERBOSE{,ON,OFF}

Show/set full/partial command mnemonic

VDUREV

Show VDU Software Revision number

†WARNING,{nnnn,nnnn}

Define the IDs for use as the Standard Flood Warning

Stations. Without parameters, displays total

WARNING setup.

OFF = disables

nnnn = Station ID

Master = 1 – 245

Remote = 256 – 4095

1 – 4095

†WARNING TIMEOUT {,t}

Define/display timeout period in seconds for a Flood

Base Station to determine a communications failure

t = timeout in seconds 10 – 3600

†WEATHER{,action} Enable/disable Maritime Weather system

functionality. Without parameters, displays total

WEATHER setup.

action =

ON – enable

OFF – disable

†WEATHER,REPORT,t Defines data reporting interval in minutes for a

Maritime Weather Station.

t = report interval in minutes 0 – 32767

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Appendices

The information in the appendices is supplementary and unnecessary for

basic operation of the MCC-545C. It is deleted to reduce file size. The

information is available upon request.

Meteorcomm 54505003-01 Packet Data Radio Transceiver - Fixed or Mobile User Manual

Meteorcomm LLC Packet Data Radio Transceiver - Fixed or Mobile Users Manual

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