Celletra C-BCL Cellular Multi-Channel Amplifier Antenna User Manual an

Celletra Ltd. Cellular Multi-Channel Amplifier Antenna an

users manual

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P.O. Box 106, Tavor building 1,
Yoqne'am Ilit 20692, ISRAEL
Tel. + 972 4 9592522
Fax. + 972 4 9592523
E-mail: celletra@celletra.com
Cellular Transmission Solutions
®
BEAMER SYSTEM
®
Pol BEAMER Cellular (2.0) Array System
including
Interface and Control Unit (ICU)
Assembly & Operation Manual
No. 91300100
Rev.2.0
Name
Date
Written By
N. David
24-10-01
Checked
Y.Gazit
25-10-01
Approved
M. Shalom
Signature
P.O. Box 106, Tavor building 1,
Yoqne'am Ilit 20692, ISRAEL
Tel. + 972 4 9592522
Fax. + 972 4 9592523
E-mail: celletra@celletra.com
Cellular Transmission Solutions
FCC Part 15A Compliance Statement
This device complies with part 15 of the FCC rule.
Operation is subject to the following two conditions: (1)
this device may not cause harmful interference , and (2)
this device must accept any interference received ,
including interference that may cause undesired operation
Caution
Changes or Modifications not expressly approved by Celletra Ltd.
could void the user’s authority to operate the equipment”
NOTE
This equipment has been tested and found to comply with the limits
for a Class A digital device, pursuant to part 15 of the FCC rules.
These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses, and can
radiate Radio Frequency energy and, if not installed and used in
accordance with the instructions manual, may cause harmful
interference to radio communication. Operation of this equipment in
a residential area is likely to cause harmful interference in which
case the user will be required to correct the interference at his own
expense.
Confidential, Proprietary Information
Title: PolBEAMER Cellular (2.0) Array System-
Doc. No.:
Rev.: 2.0
Page: 2 of 86
P.O. Box 106, Tavor building 1,
Yoqne'am Ilit 20692, ISRAEL
Tel. + 972 4 9592522
Fax. + 972 4 9592523
E-mail: celletra@celletra.com
Cellular Transmission Solutions
PROPRIETARY NOTICE
ALL DATA AND INFORMATION CONTAINED IN OR DISCLOSED BY THIS
DOCUMENT IS CONFIDENTIAL AND PROPRIETARY INFORMATION OF
CELLETRA LTD AND ALL RIGHTS THEREIN ARE EXPRESSLY
RESERVED. BY ACCEPTING THIS MATERIAL, THE RECIPIENT
AGREES THAT THIS MATERIAL AND THE INFORMATION CONTAINED
THEREIN IS HELD IN CONFIDENCE AND IN TRUST AND WILL NOT BE
USED, COPIED, REPRODUCED IN WHOLE OR IN PAR T. NOR ITS
CONTENTS REVEALED IN ANY MANNER TO OTHERS, WITHOUT THE
EXPLICIT WRITTEN PERMISSION OF CELLETRA LTD.
Revision
2.0
Description
Date
Release
Oct, 2001
Changes are periodically made to the information contained in this manual. These changes are published in the
"software/hardware release notes", and will be incorporated into new editions. All rights are reserved. No parts of this
manual may be reproduced in any form, without permission in writing from Celletra Ltd.
Copyright© 1999, 2000 Celletra Ltd.
BEAMER® is a trademark of Celletra Ltd.
Celletra Ltd. reserves the right to change specifications without notice.
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Title: PolBEAMER Cellular (2.0) Array System-
Doc. No.:
Rev.: 2.0
Page: 3 of 86
CONTENTS
FIGURES
TABLES
1.
INTRODUCTION...................................................................................................................13
1.1. Acronyms and Abbreviations .................................................................................................13
1.2. BEAMER® Array System Overview......................................................................................14
1.2.1. ........................................................................... BEAMER® Family Modular Concept
15
1.3. Overview of the Interface and Control Unit (ICU) .................................................................16
1.3.1. .................................................................................... Interface and Control Unit - ICU
16
1.3.2. ........................................................................................... ICU Controller Description
17
1.3.3. ..................................................................................................... RF Path Description
19
1.3.4. .............................................................................................................. Bias-T Types
20
1.4. Communication with BEAMER® and PC .............................................................................20
1.4.1. ................................................................................ Network Architecture and Capacity
20
1.5. Communication Procedure ....................................................................................................20
1.5.1. ............................................................................. BEAMER® Monitoring and Control
20
1.6. DC Distribution ....................................................................................................................21
1.7. Maintainability Requirements................................................................................................22
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2.
INSTALLATION GUIDE...................................................................................................... 23
2.1. Applicable Documents .......................................................................................................... 23
2.2. Scope.................................................................................................................................... 23
2.3. Important Safety Precautions................................................................................................ 23
2.3.1. ................................................................. Handling and Moving the BEAMER® Array
23
2.3.2. .................................................................. System Measurement and Testing Conditions
24
2.4. ICU Operation Instructions .................................................................................................. 25
2.4.1. .......................................................................... DC Connections and Fuse Replacement
25
2.4.2. ........................................................ Connecting the Unit to a Host PC or BTS Controller
27
2.4.3. ..................................................................................... Replacing the Back-Up Battery
28
2.4.4. ...................................................................................................................... Bias-Ts
29
2.5. Array Installation ................................................................................................................. 30
2.6. BEAMER® Array Installation Instructions .......................................................................... 30
2.6.1. ........................................................................... General Array Installation Instructions
30
2.6.2. .................................................................................................................. Unpacking
31
2.6.3. ................................................................................Assemble the Mounting Assembly :
32
2.6.4. ....................................................................................... BEAMER® Array Mounting
33
2.6.5. ................................................. Adjusting the Elevation Tilt of the BEAMER® Array
34
2.6.6. ...................................................... BEAMER® Array Cable and Grounding Connection
35
2.6.7. ............................................................................. Dismounting the BEAMER® Array
36
2.7. BEAMER® System Setup ..................................................................................................... 37
2.7.1. ................................................................................................. System Block Diagram
37
2.7.2. .................................................................... Logical Addresses and System Components
39
2.7.3. .................................................................................. System Configuration and Setting
40
2.7.4. ...................................................................................... Setting the Bias-T Attenuation
43
2.7.5. ...........................................................................Calibrating the Transmit Channel Gain
47
2.7.6. ............................................................................ Calibrating the Receive Channel Gain
49
2.8. BEAMER® System Sector Array Installation Record ........................................................... 51
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2.8.1. ..................................................................................... Installed BEAMER® Modules
52
2.8.2. ............................................................................................................ RF Cable Loss
52
2.8.3. ................................................................................................................. Tx Channel
52
2.8.4. ............................................................................................................... Rx Channels
52
2.9. Test Procedure for Measuring the Rx Gain Balance ..............................................................52
3.
BSM (BEAMER® SYSTEM MANAGER) PROGRAM......................................................54
3.1. Functions ..............................................................................................................................54
3.2. Requirements for Operation ..................................................................................................54
3.2.1. ....................................................................................................................Hardware
54
3.2.2. ..................................................................................................................... Software
54
3.3. User Interface Description ....................................................................................................54
3.3.1. .................................................. Main Menu - Active Radiating Module System Manager
54
3.3.2. ........................................................................................................ System Menu List
55
3.4. Status Reports .......................................................................................................................56
3.4.1. ................................................................................ Report by Visual Monitoring LEDs
56
3.4.2. ...................................................................... Report by Sending Messages (Monitoring)
56
3.4.3. ............................................................................... BEAMER® Array System Control
56
3.5. BSM S/W...............................................................................................................................57
3.5.1. ...........................................................................................................S/W Installation
57
3.5.2. ............................................................................................................ S/W Operation
57
3.6. BSM Main Screen..................................................................................................................57
3.7. Comm Port Selection.............................................................................................................58
3.8. Password Entering ................................................................................................................58
3.9. Host Selection .......................................................................................................................58
3.10. ............................................................................................ Installation of ICU in System
59
3.11. ............................................................................................ Failure Conditions Selection
59
3.12. ........................................................................................... BEAMER® Limits Definition
60
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3.13................................................................................ Shut Down Conditions Enable/Disable
61
3.14. ................................................................................................... ICU Limits Definition
62
3.15.............................................................................................................. System Definition
62
3.16..................................................................................... Sub-Array and BEAMER® Setting
63
3.17.............................................................................................................. Sub Array Setting
64
3.18.................................................................................................... BEAMER® Installation
65
3.19............................................................................................... Column and Row Definition
66
3.20.............................................................................. Sub-Array Status and Attenuator Setting
67
3.21............................................................................................Control & BEAMER® Setting
67
3.22.......................................................................................................... BEAMER® Control
68
ICU Status ................................................................................................................................... 69
3.23............................................................................................................ ICU CTRLR Status
69
3.24................................................................................................................. ICU Properties
70
4.
SOFTWARE DOWNLOAD GUIDE..................................................................................... 71
4.1. Introduction.......................................................................................................................... 71
4.2. Overview .............................................................................................................................. 71
4.2.1. ................................................................................. Downloading Software to the ICU
71
4.2.2. ...................................................................... Downloading Software to the BEAMER®
73
4.3. User Interface for SW Download .......................................................................................... 74
4.3.1. ................................................................................................................... Functions
74
4.3.2. .......................................................................................... Requirements for Operation
74
4.3.3. ............................................................................................. User Interface Installation
74
4.3.4. .............................................................................................. User Interface Operation
74
4.4. User Interface Description.................................................................................................... 75
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4.4.1. ............................................................................................................... System Field
75
4.4.2. ...................................................................................................... Authorization Field
75
4.4.3. .......................................................................................... System Date and Time Field
75
4.4.4. .............................................................................................. ICU SW Properties Field
75
4.4.5. ..........................................................................................................Destination Field
76
4.4.6. ............................................................................................................... Setting Menu
76
4.4.7. ........................................................................................................... Password Menu
78
4.5. Program Loading Procedure.................................................................................................79
4.5.1. ..................................................................... Procedure for Loading Program to the ICU
79
4.6. Procedure for Loading Program to the BEAMER® ...............................................................80
WARRANTY
INDEX
FIGURES
Figure 1: BEAMER® CELLULAR band
14
Figure 2: BEAMER® block diagram
15
Figure 3: BEAMER® family modular concept
16
Figure 4: ICU Front view
17
Figure 5: ICU block diagram
18
Figure 6: Active Bias-T block diagrams
19
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Figure 7: Communication procedure
21
Figure 8: BEAMER® 4X4X1 Pol. BEAMER® array - front view
24
Figure 9: DC wiring
26
Figure 10: Fuse and backup battery location
27
Figure 11: Serial communication ports and on-board jumper locations
28
Figure 12: Bias-T inputs / outputs and numbering
29
Figure 13: Array Mounting Assembly.
32
Figure 14: Cellular BEAMER® Array
33
Figure 15: Tilt Adjustment mechanism
34
Figure 16: Cables Connection to the BEAMER® Array diagram
35
Figure 17: BEAMER® single pol. – sector connections block diagram
38
Figure 18: BEAMER® system entities and their logical relationships
39
Figure 19: Tx link budget example
48
Figure 20: Rx channel gain distribution example
50
Figure 21:Measuring the received
53
Figure 22:BSM main screen
57
Figure 23:Comm port selection screen
58
Figure 24:Password entering
58
Figure 25:Host selection
58
Figure 26:ICU installation
59
Figure 27:Failure severness seletion
59
Figure 28:Beamer limits selection
60
Figure 29:Shut Down condition enable
61
Figure 30:ICU limits selection
62
Figure 31:System definition screen
62
Figure 32:Array and Sub Array setting
63
Figure 33:Bias-T definition
64
Figure 34:Beamer registering
65
Figure 35:Column and Raw definition
66
Figure 36:Sub-Array status and attenuator setting
67
Figure 37:Operate Beamer status screen
67
Figure 38:Beamer status and attenuator setting
68
Figure 39:ICU status
69
Figure 40:ICU CTRLR status
69
Figure 41:ICU properties
70
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Figure 42:Down loader main screen
75
Figure 43:ICU setting
76
Figure 44:S/W loading code
76
Figure 45:S/W remote loader
77
Figure 46:Site name
77
Figure 47:Comm port select
78
Figure 48:Password entering
78
Figure 49:Log file warning
79
Figure 50:Loading file select
79
Figure 51:Similar or old file notice
80
Figure 52:Loading proccess duration
80
Figure 53:Flash programming proccess
80
Figure 54:Fail to load message
80
Figure 55:Beamer not responding message
81
Figure 56:Beamer loading area select
81
Figure 57:Loading file select
82
Figure 58:Loading in proccess
82
Figure 59:Loading completed
82
TABLES
Table 1: RS485 and RS232 communication connectors
27
Table 2: BEAMER® system logical addresses range
40
Table 3: ICU - BEAMER® default values and quick reference
41
Table 4: BEAMER® limits recommended settings
45
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Table 5: ICU limits setting
46
Table 6: Failure conditions
46
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1.
INTRODUCTION
This document is a guide to the Installation, operation and maintenance of the integrated Interface and
Control Unit (ICU) and the BEAMER® TM Active Radiating Module System.
1.1. Acronyms and Abbreviations
ACPR
Adjacent Channel Power Ratio
BEAMER®
™
Active Radiating Module
ATP
Acceptance Tests Procedure
BFN
Beam Forming Network
BPF
Band Pass Filter
BTS
Base Transceiver Station
BW
Band Width
CDMA
Code Division Multiple Access
DCA
Digitally Controlled Attenuator
EMI
Electro Magnetic Interference
FSK
Frequency Shift Keying
ICU
Interface & Control Unit
IM
Inter Modulation
LED
Light Emitting Diode
LSB
Least Significant Bit
M&C
Monitoring and Control
MSB
Most Significant Bit
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MTBF
Mean Time Between Failures
MTTR
Mean Time To Repair
PCB
Printed Circuit Board
PCS
Personal Communications Services
RF
Radio Frequency
RFI
Radio Frequency Interference
Rx
Receiver
TBD
To Be Defined
TDMA
Time Division Multiple Access
Tx
Transmitter
VSWR
Voltage Standing Wave Ratio
1.2. BEAMER® Array System Overview
The BEAMER® is an integrated active antenna for wireless communications. It
incorporates a transmission amplifier, transmission band filter, transmission elemental
antenna, and the respective receive chain: elemental antenna, band filter, and LNA.
The Tx amplifier is linearized. The Rx amplifier has an exceptional linear dynamic range.
The integral unit contains its own power conditioner and a monitoring and control circuit that
communicates with the BTS. The whole unit is sealed and built as a plug-in replaceable
unit. The design and production techniques offer low price and high reliability.
The BEAMER® replaces the PA in the BTS. It circumvents the loss in the transmit chain duplexer, cable, antenna corporate feed or beam forming network – which typically amounts
to 4 to 8 dB. A column of 4 to 8 BEAMER® units replaces the sector antenna. The
reliability and the redundancy in the array offer a major gain in life-cycle cost.
Figure 1: BEAMER® CELLULAR band
Dimensions: 180x160x280 mm
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PA
LNA
Band filter
Band filter
MicroController
Power
conditioner
Figure 2: BEAMER® block diagram
The antenna elements of the Tx and Rx channels are vertically and/or ± 45° slant polarized.
The separation between the receive and transmit antenna elements, and the resulting 20
dB of isolation, enables the use of two separate band pass filters in front of the antenna
elements instead of having to use a much more complex duplexer structure.
The band pass filters (BPF) supply enough Tx/Rx channel isolation to ensure that the small
amount of Tx signal power and Tx wide band noise power leaking into the sensitive receive
channel will not degrade the Rx channel performance.
The Rx amplifier is a low noise amplifier with a high enough intercept point that several
cellular channels received simultaneously should not degrade each other's performance.
The low noise and high gain performance of this amplifier compensate for the high losses of
the coaxial cable going down from the Rx BEAMER® front-end to the base station. The Tx
Amplifier is a power amplifier that enables up to 2 Watts average at the Tx antenna element
of the BEAMER® while compensating for gain and power losses in the coaxial cable
coming up from the base station.
1.2.1.
BEAMER® Family Modular Concept
The BEAMER® family of products is modular. Each member can be attached to other
modules to establish a new product, matched to specific customer requirements. This
concept is illustrated in the following figure.
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single BEAMERTM vs. Multi- BEAMERTM High Gain Antennas
Tx Cable or Fiber
BEAMER
to Base Station
single
BEAMER
Rx Cable or Fiber
CATV or
FIBER
Converters
(optional)
CATV or
FIBER
Converters
(optional)
BEAMER
BEAMER
Tx Cable or Fiber
to Base Station
BEAMER
Rx Cable or Fiber
Multi BEAMER
High Gain
Antenna
Array
BEAMER
Corporate
Feed
Figure 3: BEAMER® family modular concept
The BEAMER® can be used as a standalone antenna element for distributed antenna
purposes or stacked to form an antenna array. The BEAMER® and the BEAMER® Array
can be either connected with a pair of coaxial cables to a modified base station or
converted to match existing CATV infrastructure or fiber optic infrastructure.
1.3. Overview of the Interface and Control Unit (ICU)
The BEAMER® system consists of two parts:
•
BEAMER® Active Radiating Module Array System
•
ICU (Interface and Control Unit) - the interface between the BTS (Base Transceiver Station) and
the BEAMER® .
1.3.1.
Interface and Control Unit - ICU
The ICU interfaces between the BEAMER® system and the BTS, provides the BEAMER®
system with the DC power, and controls each individual BEAMER® within any array. It
consists of a set of Bias T connections for multiplexing the DC power and the monitoring
and control communication on the RF cables to the BEAMER® system, a modem for
communicating with each of the BEAMER® units, and a digital processor/controller.
The ICU interfaces to the Tx and Rx RF connections in the BTS, to the Alarm concentrating
unit in the BTS, and has serial ports for a local host computer, for remote control, and for
diagnostics. A set of indicator lights visually reports the status of each BEAMER® Array.
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The ICU can be remote controlled through an internal modem connected to a phone line
and a remote host computer. The Active Bias-Ts in the ICU enable setting the proper input
power for the BEAMER® and maintaining beam shaping using the DCA inside the Active
Bias-Ts. Up to 12 ACBTs , in any mixture of Rx and Tx types can be assembled in each ICU
1.3.2.
ICU Controller Description
The controller controls the proper operation of the BEAMER® circuits and enables real-time
bi-directional communication between individual BEAMER® units and the Base Station
central computer or dedicated computer, via the ICU. Up to 16 BEAMER® modules can be
monitored and controlled by each ICU unit.
Bi-directional communication with the BEAMER® is established through an FSK modulated
communication channel multiplexed on the Rx coaxial cable connecting the individual
BEAMER® , to the ICU within the base station. The coaxial cable can be as long as 100
meters and have losses of up to 10db at 1850-1990MHz band.
The Rx signal at 1850-1910 MHz runs on the same cable with DC and the M&C, but an
isolation between the DC, M&C, and Rx signals is high due to Bias-T isolation.
The Tx signal at 1930-1990 MHz runs on the same cable together with the DC voltage, but
isolation between the DC voltage and Tx signals is high due to Bias-T isolation.
Figure 4: ICU Front view
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Figure 5: ICU block diagram
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Doc. No.:
To alarm
concentrating
unit
J-3
F3
Rx-o
ut
Rx
bias T
#2
Rx-i
Array
#2
Rev.: 2.0
sense
F4
Tx-i
F6
F7
Tx-i
Tx
bias T
#5
Tx-o
ut
Array
#5
Rx-o
ut
Rx
bias T
#6
Rx-i
Array
#6
Array status
indications
sense
F8
CTRL DCA
Rx-o
ut
Rx
bias T
#8
Rx-i
Array
#8
Rx
sense
F10
Com.
Tx
CTRL Rx/Tx
CTRL DCA
sense
F9
Tx-i
Tx
bias T
#7
Tx-o
ut
Array
#7
controller
CTRL Rx/Tx
sense
CTRL Rx/Tx
CTRL DCA
CTRL DCA
CTRL DCA
sense
sense
Rx
bias T
#4
Rx-o
ut
Array
#4
Rx-i
I/O Card
CTRL DCA
F5
Tx
bias T
#3
Tx-o
ut
Array
#3
Array1 Array2 Array3 Array4 Array5 Array6 Array7 Array8 Array9 Array10 Array11 Array12
sense
CTRL Rx/Tx
CTRL DCA
sense CTRL DCA
F2
Tx-i
Tx
bias T
#1
Tx-o
ut
Array
#1
Rx-o
ut
Rx
bias T
#10
Rx-i
Array
#10
CPU
RUN
POWER
ON
CTRL Rx/Tx
CTRL DCA
CTRL DCA
sense
F11
Tx-i
Tx
bias T
#9
Tx-o
ut
Array
#9
sense
F16
Tx-i
Rx-o
ut
Rx
bias T
#12
Rx-i
Array
#12
J-5
serial ports to
host
computer
CTRL Rx/Tx
CTRL DCA
CTRL DCA
sense
F17
Tx
bias T
#11
Tx-o
ut
Array
#11
Fan
F1
MODEM
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J-4
J-1
Modem
Interface
RS-485/RS-232
port
J-2
Return
24-28VDC
from
Power Supply
DC Power
Switch
1.3.3.
1.3.3.1.
RF Path Description
Tx/Rx Active Bias-T Block Diagram
The Active Bias-T contents a boost amplifier and a digital controlled attenuator in order to
adjust the gain and enable a convenient interface to the BTS. The gain of the ABT
assemblies is Temperature Compensated. Block diagrams for this ABT are shown the
following figure.
Tx Active Bias-T Block
Bias
Diagram
GAIN CONTROL
PA
LNA
RF + DC
DUPLEXER
To BEAMER
Array
From BTS
Tx Output
REGULATION
+PROTECT
PA
+8V
to Rx CURRENT
GAIN CONTROL
DC Supply
INDICATOR
Rx Amp
Current +8V
Indicator from Tx
GAIN
CONTROL
M&C Port
REGULATION
+PROTECT
To BTS
Rx Input
DUPLEXER
RF + M&C
P.A
From
BEAMER
Array
GAIN CONTROL
Rx Active Bias-T Block
Figure 6: Active Bias-T block diagrams
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1.3.4.
Bias-T Types
The ICU is equipped with Rx ABTs and Tx ABTs. The Rx ABT can be one of several types,
which differ in the available gain from –6 db to +28db. The Tx ABT can be one of several
types, which differ in the available gain from –6 db to +30db.
1.4. Communication with BEAMER® and PC
1.4.1.
Network Architecture and Capacity
The ICU is the master in a star configured network .The network shall enable data
transmission along the following data transmission paths:
1.
ICU to each BEAMER® unit of any of 3 Pol BEAMER® Arrays
2.
ICU to PC
3.
BEAMER® to ICU
The maximum capacity of the network is 16 BEAMER® modules in any combinations of arrays.
1.5. Communication Procedure
The communication mode between the ICU, the BEAMER® , and the PC is half-duplex. The
communication procedure is described in the following figure:
1.5.1.
BEAMER® Monitoring and Control
BEAMER® monitoring and control includes the following functions:
•
Detect status of each BEAMER® unit installed in a selected array.
•
Receive indications from a selected BEAMER® unit
•
Manually control the selected BEAMER® , for example, attenuator values and power amplifier
operation.
•
Software downloads into BEAMER® through the ICU.
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PC
BEAMER #1
ICU
BEAMER #2
BEAMER#16
STATUS
SEND DATA
COMMANDS
COMMANDS
STATUS
COMMANDS
STATUS
COMMANDS
STATUS
STATUS
SEND DATA
COMMANDS
Figure 7: Communication procedure
1.6. DC Distribution
The DC supply to outdoor BEAMER® arrays is obtained by connecting the DC power
supply of the BTS to the DC connections in the panel of the ICU. The DC voltage is
supplied via the Tx and Rx coaxial cable coming up from the ICU to the BEAMER® unit or
BEAMER® beamforming network.
Power Source
+20VDC to +28VDC
Max. Current Consumption
Up to 450mA with no BEAMER® arrays connected
Max. Current per BEAMER®
Up to 2.5Amp.
ICU Connectors
Tx Connector to BEAMER® Array
N-type connector, female
Tx Connector to Base Station Tx Port
TNC connector, female
Rx Connector to BEAMER® unit
N-type connector, female
Rx connector to Base Station Rx Port
TNC connector, female
ABT Tx Control Connector
9 pin D-type connector
ABT Rx Control Connector
9 pin D-type connector
DC Connector
Molex, 10 PIN, 40A capability connector.
Grounding Connection
By physically mounting the ICU with in the BTS
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1.7. Maintainability Requirements
The BEAMER® family units including the ICU are designed as units for low Mean-Time-To-Repair
(MTTR). The Modular structure of the ICU enables the internal circuits to be easily approached and
replaced if found necessary.
Nevertheless, only an approved laboratory can do a full repair of an ICU or BEAMER® unit, since
such a repair requires a full Acceptance testing.
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2.
INSTALLATION GUIDE
2.1. Applicable Documents
•
PC to ICU Protocol, version No.9450002XX
•
BEAMER® to ICU Protocol No.9450003XX
•
BEAMER® specifications No.9530003XX
•
ICU specifications, Scope No.9530006XX
•
CELLULAR 1x4x4 PolBEAMER® + ICU integrated system Spec. No. 953002900
This document describes the installation of the BEAMER® system, as integrated into Customer’s BTS.
2.2. Scope
This document describes the installation of the BEAMER® System, as integrated into
customer’s -BTS.
The BEAMER® 1X4X4 Array System is basically a modular tower top LNA and power
amplifier, with programming and modularity features that are uncommon with other,
comparable systems. It replace the entire RF front-end of a CELLULAR BTS and offers
controllability and improved performance at reduced size and cost.
The document details the instructions for programming and field installation of the
BEAMER® system. It is intended to be used by customer technical personnel, who are
trained to install and service the BEAMER® system.
2.3. Important Safety Precautions
The system is supplied following extensive acceptance production line tests. Usually, lab tests will not
be required before installing the unit at the customer's location. One should always be aware of the
necessary safety precautions, assuring that the BEAMER® system will be fully functional after the
installation.
Read this instruction guide thoroughly before starting with the installation. In case of doubt, do not
hesitate to call Celletra customer support engineering. Celletra support can be reached at the address
appearing at the beginning of this manual.
2.3.1.
Handling and Moving the BEAMER® Array
The BEAMER® array is a delicate and accurate electrical apparatus.
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Use extreme caution when handling the array. Always use the original box, with proper
padding, when delivering or moving the unit. The overall unit weight is ~25kg. If necessary,
the array should be carefully carried by two people, only for a short distance. BEAMER®
array hardware is hermetically sealed in controlled environment. Do not open any radome
covers or try to disassemble a BEAMER® module. This should be done only by Celletra
authorized personnel. Do not paint the unit.
Never use adhesive tape on the radome surface, as this might severely affect the
performance. Use extra caution when installing the unit on tower top. Use proper winch to
lift the unit up the tower. Watch carefully for possible obstacles when lifting the unit. Pad the
array, if needed, to avoid possible damage during lift-up. Never place the array on the front
panel, with the radomes facing down, as this might cause radome breakage. Always place
the unit on one of its sides.
Side Walls
Radomes
Figure 8: BEAMER® 4X4X1 Pol. BEAMER® array - front view
When installing the array always verify that the ICU power is OFF.
If it is not possible to turn the ICU power OFF (for example, when other sectors are connected to it),
remove the fuse connected to the active Bias-Ts serving the installed array. When replacing or reinserting the fuse in the ICU, always turn the ICU power OFF before removing the fuse cover.
2.3.2.
System Measurement and Testing Conditions
Live +24VDC with high current capability exists on the Tx ABT output and the Rx ABT input (all the
N-type connectors at the ICU external RF interface). Use extreme care when handling these ports. It is
strongly recommended to disconnect the DC power to the ICU, whenever possible, before each and
every cable connection to the Tx ABT outputs or the Rx ABT inputs.
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Always use a DC block device connected to the measuring equipment input or output ports (spectrum
analyzer, power meter, or RF signal source), when measuring ICU of BEAMER® array performance.
Before applying RF power to any port of the system (either ICU or BEAMER® array) always turn the
DC power ON. Never apply any RF input power with the unit's DC power OFF.
Do not apply more than +20dBm of RF input power to any RF port of the
BEAMER® system, or irreversible damage may occur.
When measuring high power outputs, always verify that the equipment probe is capable for handling the
expected output power.
With DC power ON and the nominal RF input applied, BEAMER® -Tx radiators produce 2Watts of
RF power per module, 8 Watts per array, and approximately 150Watts EIRP.
When testing the units in lab or during field installation, always practice RF
radiation safety rules.
During lab tests, with DC voltage applied to the array, do not use any CELLULAR mobile transmitter
in a range of less than 10 meters from the BEAMER® array. An unexpectedly high RF power might
appear at the Rx output, which might in turn damage the measuring devices connected to that port.
2.4. ICU Operation Instructions
2.4.1.
2.4.1.1.
DC Connections and Fuse Replacement
DC Wiring
The ICU should be connected to 24±4 VDC power supply. A minimum of 14AWG wires
should be used, for minimal DC voltage drop. The following diagram shows the DC
connection to the MOLEX DC connector. The three wires connected to each pin at the
connector should be tied together as close as possible to the DC voltage source.
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Ground
Conector view
from outside
Circuit 1
24-28VDC
Figure 9: DC wiring
2.4.1.2.
Fuse Replacement
Fuses are located under the fuse compartment panel on the front panel. To access the
fuses, remove the panel (2 screws). Tx fuse is 20Amp. Rx fuse is 5Amp.
The fuses are aircraft circuit breakers that can be used to turn off a whole sub-array.
Remember to disconnect the RF drive (or to turn the RF drive OFF) before turning the DC
power OFF.
Fuses
Backup
Battery
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Figure 10: Fuse and backup battery location
2.4.2.
2.4.2.1.
Connecting the Unit to a Host PC or BTS Controller
Serial Communication Connector
Communication with BTS controller RS232 connector interface is located on the left side of
the MOLEX DC connector on the rear panel. It is a standard 9-pin female D-type connector.
Table 1: RS232 communication connector
2.4.2.2.
Pin #
RS232
NC
Rx Data
Tx Data
NC
Ground
DSR
RTS
CTS
NC
Communication Mode
The communication mode at the ICU controller board is enabled for RS232 by the
communication switch is SW1at OFF position. Four switches are located on this SW1, used
for other ICU settings.
Caution: The user should not change the setting of these switches, unless
specifically advised by Celletra. An unauthorized, uncontrolled change of these
switches might produce unpredictable system behavior.
The RS232/RS485 DIP switch is the last switch at the far-left side of the PCB, when viewed
from the ICU front, as shown in the following figure.
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Jumpers
Figure 11: Serial communication ports and on-board jumper locations
It is possible to communicate with the unit via the RS485, using a commercial RS485RS232 converter. As an example, ADAM-4520 from Advantech can be used for this
purpose.
2.4.3.
Replacing the Back-Up Battery
The ICU controller board is equipped with 3Volt battery, used for NVRAM and real-time
clock keep-alive function. Under normal operating conditions, this battery should be
replaced every three years. Failure to replace the battery will result in loss of the
configuration data and the real-time clock setting, following power down. Although this is not
critical, we recommend changing the battery once every 2 years, or at every scheduled
maintenance.
Before changing the battery, record the ICU configuration. We recommend creating a batch
file, within the BTS controller software, to reload the original ICU configuration after battery
replacement.
To access the battery, turn off the ICU. Remove the ICU front cover. The battery opening is
located on the left side panel under the RS-232 connector. Use a small screwdriver to
carefully push the battery out. Insert a 3Volt, CR2032 type Lithium battery. The + side of the
battery should be pointing to the side panel. Reinstall the front cover.
It is possible to replace the battery under live DC voltage applied to the ICU, if one does not wish to
interrupt the BTS operation, even during scheduled maintenance. In this case, you should use extreme
care not to short the ICU controller circuitry.
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2.4.4.
Bias-Ts
In this manual, Bias-Ts are also termed 'sub-array', since each Bias-T can serves an
independent portion of an array (i.e., Tx sub-array or Rx1 and Rx2 sub-arrays, which are all
physically part of the same array, but are logically independent entities).
The Bias-Ts serve four purposes:
1.
Supply DC voltage to the BEAMER® modules within the sub-array.
2.
Provide DCA controlled RF amplification stage, to overcome possible RF distribution losses and
to provide control on the transmitted or received output power per sub-array.
3.
Connect the BEAMER® modules Telemetry to the ICU controller via the superimposed FSK
link.
4.
Enable the S/W downloading to each BEAMER® of the array using the Telemetry channel.
The sub-array direction of the ICU Bias-T connector is N-type connector, capable of
supporting the DC current to the sub-array. The BTS side is TNC type connector. The
following figure shows the active Bias-T location on the ICU.
Figure 12: Bias-T inputs / outputs and numbering
Viewed from right to left, the Bias-Ts are organized as:
[Rx1-Rx2-Tx], [Rx1-Rx2-Tx], [Rx1-Rx2-Tx], [Rx1-Rx2-Tx]
Bias-T number 1 is on the far right going to Bias-T number 12 at the near left. These
(physical) numbers also serve as logical addresses for the Bias-T (sub-arrays) at the system
setup.
In case less arrays are integrated in the system, the number of Bias-Ts will be
reduced.
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2.5. Array Installation
The BEAMER® array provides coverage of ±45° for the azimuth, ±7° for the elevation at –
3dB points. A mechanical tilt, continuous up to 15°, is provided. We recommend using a 34 inch diameter pole for the array installation. The figures later in this section illustrate the
installed array with the doors open, showing the Tx and Rx cables connections.
The unit should be connected to the main RF cables feeding the array. The RF lines should
have total RF loss of less than 8 dB and a DC resistance lower than 0.2 Ohms, for 50
meters long cable. 3/8” or 1/2" or 5/8" cable can be used. When connecting these cables to
the array on one side and to the ICU on the other, use proper moisture sealing methods, if
required depending on the connector type used.
Sealing and weatherproofing of RF connector is of prime importance to assure good
electrical contact, minimizing DC loss and passive RF inter-modulation effects. Thus,
special care should be taken with the RF connectors sealing and weatherproofing especially
at the array input connectors that are exposed to extreme environmental conditions.
Common sealing practice should be used.
For sealing instructions, refer, for example, to Andrews weatherproofing recommendations
with 3MTM Cold ShrinkTM Weatherproofing Kit, or an equivalent sealing method.
Before installing the BEAMER® array, note that each array has a Tag attached to it. After
installation remove the tag and keep it. This tag carries the BEAMER® modules address
and location within the array.(This address is the serial number of each BEAMER® unit as
appear on the module label nearby the Rx connector).You will need these IDs later, for
system configuration setup.
2.6. BEAMER® Array Installation Instructions
2.6.1.
General Array Installation Instructions
The BEAMER® array provides coverage of ±45° for the azimuth, ±8° for the elevation at –3dB points.
A mechanical tilt, continuous from 0 up to 15° is provided. We recommend using a 3”-4.5” diameter
pole for the array installation. The figures later in this section illustrate the installed array, showing the
Tx and Rx cables connections.
The RF coaxial cables connecting the BEAMER® array and the RFIU can be of any 3/8” or ½”
diameter low loss type. These cables carry DC Current and RF signals from the RFIU to the
BEAMER® array . Since the BEAMER® array include the Power amplifier and the LNA, the losses
on these cables can be high without affecting the overall performance. Thus , these cables can be as long
as 50 meters .
When connecting these cables to the array on one side and to the RFIU on the other, use proper
moisture sealing methods, if required depending on the connector type used.
Sealing and weatherproofing of RF connector is of prime importance to assure good electrical contact,
minimizing DC loss and passive RF inter-modulation effects. Thus, special care should be taken with
the RF connectors sealing and weatherproofing especially at the array input connectors that are exposed
to extreme environmental conditions. Common sealing practice should be used.
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For sealing instructions, refer, for example, to Andrews weatherproofing recommendations with 3MTM
Cold ShrinkTM Weatherproofing Kit, or an equivalent sealing method.
Before installing the BEAMER® array, note that each array has a Tag attached to it. After installation
remove the tag and keep it. This tag carries the BEAMER® modules address and location within the
array.(This address is the serial number of each BEAMER® unit as appears on the module label
nearby the Rx connector).You will need these IDs later, for system configuration setup.
2.6.2.
Unpacking
Unpack the units and verify that there are no mechanical damages to any of the parts of the BEAMER®
array .
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2.6.3.
Assemble the Mounting Assembly :
1.
Position the securing clamps on the pole so that they are aligned with the intended line of the
bottom part of the mounting assembly. Tighten the 4 nuts (3/8”-16 UNC) and two studs using a 9/16”
wrench.
2.
Mount the mounting assembly on the pole and secure the two rear clamps with the 8
nuts (3/8”-16 UNC) and 4 studs. Do not tighten at this stage.
3.
Adjust the azimuth:
a. Rotate the mounting assembly till you reach the required Donor Sector azimuth.
* Note : this is a right side mount, thus the mounting adapter should point
90deg to the right of the required azimuth(-90 deg).
b. Tighten the 8 nuts using a 9/16” wrench.
Caution - Do not over tighten the nuts, use a 5”-8” length wrench .
Mounting
Assembly
Securing
Clamps
Figure 13: Array Mounting Assembly.
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2.6.4.
BEAMER® Array Mounting
1.
Loosen the two butterfly nuts on the mounting assembly. The threaded stud edge
should penetrate into the butterfly nut about 2-5 mm.
2.
Use a wrench or a pulley to lift the array by the top handle to the mounting area.
Secure it from dangling by using a counter rope attached to the bottom handle/ hook.Caution:
The 4 BEAMER® Array weighs about 50 Kg, use proper lifting hardware to safely lift the
array.
3.
Align the mounting adapter with the socket on the mounting assembly and push the array
toward the mounting assembly until it snaps in place.
* Note: a two stage snap sound should be heard. This sound indicates that the two securing
plungers are in place in their groove.
Btterfly Nuts
Mounting
adapters
socket
Mounting
Assembly
Securing plunger One
on each side
Top Handle and
lifting hook
Torque locking
clamp
Mounting
adapter
Bottom Handle
Figure 14: Cellular BEAMER® Array
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2.6.5.
Adjusting the Elevation Tilt of the BEAMER® Array
The Elevation Tilt of the Distribution Sector array should be pre-set according to the Network Planning
design instructions. The Tilt adjustment should follow the following steps:
1.
Push out the Index Bracket , located in between the Butterfly nuts, towards the scale on the
array.
2.
Rotate the array till the required elevation tilt is reached. The adjustment is continuous from –
15deg. To +15 deg. and the scale is calibrated to 1 deg. Intervals.
* Note- The array has 3 indexing positions that the 2 plungers snap and retain the array in position.
One plunger snaps on –15,-7.5, +7.5+15 deg while the other snaps at 0 deg.. This is done to prevent
accidental withdrawal of the array from the mounting assembly.
3.
Tighten the 2 butterfly nuts using a 9/16” wrench. DO not over tighten the nuts.
4.
attach the torque locking clamp to the pole. Tighten the 4 nuts ( 3/8”-16 UNC) and two studs
using a 9/16” wrench. This configuration shall secure the array in place at the proper elevation tilt and
shall prevent torque by accidental shocks to change the set tilt.
Elevation Scale
Tprque Locking Clamp
Butterfly Nuts
Index Bracket
Figure 15: Tilt Adjustment mechanism
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2.6.6.
BEAMER® Array Cable and Grounding Connection
1.
Connect the Rx1 and Tx1 ( Rx2, Tx2 are optional for Diversities) cables N-Type Connectors to
the N-Type Female connectors on the Connectors panel at the bottom of the array.
2.
Seal the connectors , after tightening them manually, with proper sealing accessories as
explained above.
3.
Connect the grounding cable connected to the tower to the stud ( 3/8” dia.) located at the bottom
rear of the array. Tighten the grounding bolt properly.
Grounding
RF Connector
Panel
Figure 16: Cables Connection to the BEAMER® Array diagram
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2.6.7.
Dismounting the BEAMER® Array
1.
Use the Mounting procedure in reverse order to dismount the array.
2.
Care should be taken to tie the array by the handles before it is removed from the mounting
socket.
3.
To release the array from the mounting socket pull both plungers out and apply moderate
force to push the array out of the mounting socket.
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2.7. BEAMER® System Setup
2.7.1.
System Block Diagram
The following diagram shows the system connection for a single sector Pol. BEAMER®
array. A single ICU can support up to four sectors, each connected as described in the
figure.
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Rx1
Rx2
Combiner
Beamer Tx
Beamer Rx
Combiner
Combiner
Combiner
Beamer Rx
Beamer Tx
Splitter
Combiner
Combiner
Tx
Beamer Tx
Beamer Rx
Beamer Rx
Beamer Tx
PolBeamer - 4x1 Array
RF Cables
Micro-BTS
BTS
Up-Converter
BTS
Down-Converter
Tx
ABT - Tx
Rx1
ABT - Rx
Rx1
Rx2
ABT - Rx
Rx2
Control
BTS Controller
Tx
Monitoring
24VDC
ICU Controller Board
Interface and Control
Unit (ICU)
Host / BTS
interfaces
Figure 17: BEAMER® single pol. – sector connections block diagram
The sector is configured as pol. BEAMER® configuration, in which two Rx channels are
used for polarization diversity reception and one Tx channel is used for transmission. Other
Configurations are easily implemented.
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2.7.2.
Logical Addresses and System Components
The BEAMER® system setup treats the system block diagram as a hierarchy tree, with the
BTS at the top and the BEAMER® modules at the bottom.
Entity Name
Address Range
Actual Address
BTS Controller
-----
ICU
01-04
01
ICU
01-04
02
ICU
01-04
03
Beamer array
1-12
01
Beamer array
1-12
02
Beamer array
1-12
03
Sub-Array - Rx
1,2,4,5,7,8,10,11
Sub-Array - Tx
3,6,9,12
Sub-Array - Rx
1,2,4,5,7,8,10,11
Beamer-Rx
1-16
Beamer-Tx
Beamer-Rx
1-16
Beamer-Tx
Beamer-Rx
1-16
Beamer-Tx
IDU
01-04
04
Beamer-Rx
1-16
Beamer-Tx
Figure 18: BEAMER® system entities and their logical relationships
The figure above shows the logical entities for a BEAMER® system. The top left block can
be used as a legend: each entity is defined by its name, its available address range, and its
actual address.
The figure shows a BTS, connected to four ICUs. Each ICU is connected to three physical
arrays (for simplicity, the tree is expanded for one ICU and one array only). Each array
consists logically of three sub-arrays (Bias-Ts): two Rx sub-array and one Tx sub-array.
Each Rx sub-array connects logically to two Rx BEAMER® controllers. This connection
logically controls both the BEAMER® Rx board and the BEAMER® Tx board. The Tx subarray has a dummy logical relation with the Tx- BEAMER® module, since its actual logical
control is via the Rx- BEAMER® block (this relation is shown as dashed line). However, the
Tx- BEAMER® has actual physical relation with the Tx sub-array, by virtue of the RF
connection between them.
The actual logical addresses shown on the figure were chosen from the available address
range and are actually arbitrary. However, with the ICU Bias-T organization it is easier to
group the Bias-Ts as Rx1,Rx2,Tx per array. In other words, the following sub-arrays groups
should be assigned for each array (sector):
•
Sub-arrays (1,2,3) - array #1
•
Sub-arrays (4,5,6) - array#2
•
Sub-arrays (7,8,9) - array#3
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•
Sub-arrays (10,11,12) - array#4
The following table summarizes the available address range for the system entities:
Table 2: BEAMER® system logical addresses range
Name
Address range
ICU
01 to 04. Address 00 reserved for testing
Array
01 to 12(03). For Micro- ICU: maximum 03 (always pol. BEAMER® )
Sub-array (Bias-T)
01 to 12(09). For Micro- ICU: Same as physical address, maximum 09.
BEAMER®
01 to 16. Address 00 reserved for testing
2.7.3.
System Configuration and Setting
Some of the ICU setup are already configured for the needed system configuration. This setup is saved
on the ICU's Flash memory. Using the PC to ICU protocol commands, you can verify that the ICU is
properly set.
The following sections will guide you through the process of ICU setup verification. You can modify the
setup to match your configuration at any time.
Throughout this section, some command examples and data will be used. As a rule, all commands data
and commands codes are given here in decimal representation, unless specifically specified, using 'H'
prefix for hex numbering. Also, it is assumed that the reader has some knowledge with the PC to ICU
protocol, given in [1]. The command sequence described in this section should be referred to as a system
configuration guide, not as a PC to ICU programming manual. For more information, refer to the
applicable documentation listed at the beginning of this chapter.
Before setting up the system, avoid connect RF cables between the ICU and the BEAMER® array.
Since the Tx and Rx gain are not calibrated yet, this is done to protect the BTS interface and the
BEAMER® array from overdrive conditions.
The following table can be used as a reference for the ICU and BEAMER® array setting. The table
specifies the pre-set default values and points to the specific command code, used for reading or saving
a parameter value.
Note: Many values are not set. The following sections will instruct you how to set
these values, tailored to the specific on-site installation.
Caution: some values ( such as RS-232/RS-485 switch ,Time out and codes
1,137,141,145-149) are factory set and should not be changed on location. In part
ICU are, these values relate to the BEAMER® array calibration and operation
modes. Modification of these values, without coordination and specific
authorization from Celletra engineering, can cause invalid array performance and
should be avoided. The changes are possible by the highest password
authorization only.
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Table 3: ICU - BEAMER® default values and quick reference
Parameter
Save
code
Read
code
Data bytes default value
Required for µ ICU
Operation Mode
05
06
00-Auto
00-Auto
Control Mode
07
08
00-Main, 01-Local
00-Main, 01-Local
ICU configuration
(jumper positions)
N/A
09
01-Operation
01-Operation
01-I/O installed
00-I/O not installed
00-MODEM not installed
00-MODEM not installed
00-RS-232/RS485 disabled
01-RS-232/RS485 enabled
Not set
# of arrays - 03
System Features
10
11
arrays type BEAMER® 00
Array
configuration
12
13
Not Set
See 2.7.3.2
Bias-T
configuration
14
15
Not Set
See also 2.7.3.4
Bias-T type
16
17
01 01 02 01 01 02 01 01 02
01 01 02
01 01 02 01 01 02 01 01 02
00 00 00
02-Tx 01-Rx
See also 2.7.3.4
00-Not installed
Bias-T attenuation 18
19
Not set
See 2.7.4
BEAMER®
limits
20
21
Not set
See 2.7.4.4.1
ICU limits
22
23
Not Set
See 2.7.4.4.2
Bias-T limits
24
25
Not Set
See 2.7.4.4.2
Alarm Conditions
26
27
Not Set
See 2.7.4.4.4
Time out
36
37
BEAMER® - 128mSec
ICU - 5 minute
Do not change. Cannot be
accessed in operation mode.
Real time clock
38
39
Set to Israeli time zone
Set to location time zone
BEAMER®
configuration
133
134
All ON. Attenuation = 0dB.
All ON. See 2.7.4.3
Shut-down
conditions
135
136
All ON
All ON. See 2.7.4.4.3
Other
BEAMER®
parameters
1, 137, 141,
145-149
Factory set. Not intended to be changed on location!
These commands cannot be accessed in operation mode.
The following sections describe how to configure the system step-by-step.
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2.7.3.1.
Set ICU Operation Mode
The ICU configuration setup can only be changed when the ICU is set to SLAVE mode. The
default ICU configuration is AUTO. To switch to slave mode use 'save operation mode'
command (code 05), with parameter 01. Note, however, that if the ICU communication is left
unattended for longer than the time out, defined by 'save time out' command (code 36)
[default value is 5 minute], the ICU will automatically switch back to AUTO mode. Only the
following commands are available in AUTO mode:
•
Save operation mode (05)
•
Read operation mode (06)
•
Save control mode (07)
•
Read control mode (08)
•
Read array status (28)
•
Read BEAMER® status (29)
•
Read ICU status (30)
In AUTO mode, any other command will be responded by an error message (code 34, data
01 xx xx xx xx).
2.7.3.1.1.
Checking the ICU System Address and ICU ID
The ICU system address and the ICU ID can be easily modified1, to suit your needs. To change the ICU
address you should know the ICU ID.
You can read the ICU system address and its ID as follows:
Sent command Code
Read ICU ID
02
04
Read ICU
system Address
2.7.3.1.2.
Data
Response from ICU
Remarks
00
X1 X2 X3 X4
Every ICU answers when
addressed by 00
X1 X2 X3 X4 X1 X2 X3 X4 Y
Use ICU ID (X1 X2 X3 X4) to
find ICU address (Y)
Changing the ICU System Address
Caution: ICU ID is located on the unit label. The unit label is attached to the -ICU
front panel (the fuse panel). The ICU ID is its physical number. Do not modify the
ICU ID, unless authorized by Celletra engineering support.
Once the ICU ID and system address are known, you can easily modify the system address
to any other value. The following sequence demonstrates how to change the ICU system
address from Y to 04, using known ICU ID 101 102 103 104.
Sent
command
Code
Data
Response
from ICU
Remarks
ICU ID cannot be changed in operation mode. Issuing command code 01 in operation mode will produce an
error message.
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Sent
command
Code
Data
Response
from ICU
Remarks
Save ICU
system
address
03
101 102 103 104
04
ACK
Change system address from Y to 04
using known ID 101 102 103 104
Note: ICU system address ranges between 01 to 04. ICU address 00 is reserved
for system configuration and should not be used.
2.7.3.2.
Configuring the Number of BEAMER® Arrays
The 'save system features' command is used to configure the number of connected
BEAMER® arrays. Use this command to add or remove an array (logically) from the
system. To set the number of installed arrays to 2, use:
Code 10 (save system features), ICU address, 02, 00 (BEAMER® )
Note: Issuing the 'save system features' command will erase the previous
BEAMER® configuration. Previous definitions of arrays and Bias-T assignments
must be reprogrammed, following this command.
2.7.3.3.
Bias-T Definitions
Once the arrays are configured, a Bias-T must be assigned for each array. 'Save Bias-T configuration'
command (code 14) is used for assigning the Bias-T for the arrays. For example, the following
command assigns Bias-T #1, 2, and 3 to array #1:
Code 14 (save Bias-T configuration), ICU address, 01 (array address), 07 00 (Bias-T #1,2,3 assigned)
Bias-T addresses and Bias-T physical locations are the same (i.e. Bias-T number 1 is mapped to Bias-T
address 1, and so forth).
Note: Bias-T assignment is bit-wise representation of the command data bytes. Also note that the above
command does not configure the Bias-T type (Tx or Rx). Repeat for every installed array in the system.
2.7.3.4.
Configuring the Bias-T Type
Using the command 'save Bias-T type' (code 16) will define the Bias-T type for the ICU (note that this
logical definition must agree with the actual, physical Bias-T type, as installed at the ICU. For ICU, this
is always Rx-Rx-Tx-Rx-Rx-Tx-Rx-Rx-T- right to left, form the rear). This logical definition does not
change for the ICU.
The following example defines ICU Bias-T installation:
Code 16 (save Bias-T type), ICU address, 01 01 02 01 01 02 01 01 02 01 01 02 02
Note: For Bias-Ts not installed, thus will appear as 00.
2.7.4.
Setting the Bias-T Attenuation
Bias-T attenuation, for either Rx or Tx Bias-T, can be modified with the command 'save Bias-T
attenuation' (code 18). Command 'read Bias-T attenuation' (code 19) can read these settings.
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Example: To change the Bias-T attenuation for Bias-T #3 (in this case, a Tx Bias-T) to 12dB (=24 or
18H), use the following command:
Code 18 (save Bias-T attenuation), ICU address, 03, 18H
2.7.4.1.
BEAMER® Array Module Registration
The command 'save BEAMER® system address' (code 131) registers BEAMER® module with ID #
AA BB CC DD with system address SS. The BEAMER® module ID can be located on the
BEAMER® module label. An unknown BEAMER® ID can be found by issuing a 'read BEAMER®
system address' command, with address 00. Note however that since every installed BEAMER®
module will respond to address 00, it is impossible to issue this command for an array. Therefore, the
installed unit ID must be retrieved from the unit label, or from the Tag accompanying each array and
removed when the array is installed.
Important note: The BEAMER® ID is saved on the module's NVRAM during
production, and cannot be changed.
Example: The following command assigns a system address 01 to BEAMER® module with ID 1004,
converting 1004 to 000003ECH:
Code 131 (save BEAMER® system address), ICU address, 00, 00, 03, ECH, 01
Repeat the above command for every installed BEAMER® module in the array.
2.7.4.2.
Configuring the Array
The 'save array configuration' (code 12) command will match the installed array with the ICU. It will
also tell the ICU the number of installed modules on the array (in our case, 4).
Example: The following example describes array with system address 01, with four BEAMER®
modules installed.
Code 12 (save array configuration), ICU address, 01, 0FH, 00
Note: The BEAMER® module assignment is bit-wise representation of the
command data (i.e. 0FH=00001111B, or first four BEAMER® modules are
assigned).
2.7.4.3.
Configuring the Default BEAMER® Setting
Command 'save BEAMER® configuration' (code 133) can change the default BEAMER® module
power amplifier conditions and Tx and Rx attenuation. The default setting for this command is ON for
the main and correction amplifier, and 0dB for the attenuation.
The following example shows how to set the Tx attenuator to 10dB, Rx attenuator to 0dB, for
BEAMER® at address 12(0C), with main and correction amplifiers set to ON:
Code 133 (save BEAMER® configuration), ICU address, 0CH, 01, 01, 0AH, 00, 00
Important Note: Turning OFF the correction amplifier might cause serious CDMA
spectrum distortion. Celletra does not recommend changing this setting without
consulting Celletra engineering personnel.
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2.7.4.4.
Configuring and Defining the System Properties
The previous commands configured the ICU controller to recognize the installed array and BEAMER®
modules. The procedure described above should be repeated for every installed array (up to three arrays
can be supported with a single ICU). The following commands define the system properties, and are
independent of the number of installed arrays. These system properties define the alarm and shut-down
conditions and limit for both BEAMER® and ICU. Setting the BEAMER® and ICU limits affects the
status reading received when issuing the read status commands (i.e. 'read ICU status' (30), 'read
BEAMER® status' (29), 'read array status' (28) and 'read Bias-T status' (19)).
2.7.4.4.1.
Setting the BEAMER® Limits
Another means to control the failure conditions, built-in the BEAMER® controller, is the 'save
BEAMER® limits' command (code 20). This command sets the range for which a failure is declared.
These values can be changed to the customer's preferences, in conjunction with the failure conditions
declaration (code 26.).
The following table contains Celletra's recommendations for the BEAMER® limits conditions:
Table 4: BEAMER® limits recommended settings
Description
Meaning
Temperature min
-20°C
Temperature max
+75°C
Input power min
-14dBm
Input power max
-4dBm
Output power min
22dBm
Output power max
36dBm
Tx attenuator min
0dB
Tx attenuator max
15.5dB
Main Rx attenuator min
0dB
Main Rx attenuator max
15.5dB
Div Rx attenuator min
0dB
Div Rx attenuator max
15.5dB
BEAMER® supply voltage min
13VDC
BEAMER® supply voltage max
28VDC
2.7.4.4.2.
Setting ICU Limits
Similar to the command for the BEAMER® limits, commands 'save ICU limit' (code 22) and 'save
Bias-T limits' (code 24) set the limits for the ICU, determining the failure conditions.
These limits can be changed to the customer preference (up to a given, reasonable range). The following
table sets the recommended limits for the ICU and the Bias-T.
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Table 5: ICU limits setting
2.7.4.4.3.
Description
Value (decimal)
Meaning
ICU supply voltage min
128
14VDC
ICU supply voltage max
255
28VDC
Fan current min
0mA
Fan current max
255
180mA
Bias T supply voltage min
128
14VDC
Bias T supply voltage max
255
28VDC
Tx bias T current min
255
0mA
Tx bias T current max
500mA
Rx bias T current min
255
0mA
Rx bias T current max
500mA
Setting the BEAMER® Shut-Down Conditions
BEAMER® shut-down conditions can be modified using command 'save shut down conditions' (code
135). Currently, three parameters control the BEAMER® shut-down criteria: BEAMER®
temperature, Tx current and linearizer performance. The factory setting for these parameters is ON for
each one (i.e., the BEAMER® will shut down for any violation regarding these parameters).
Shut-down conditions for the BEAMER® modules are very important parameters used for protecting
the BEAMER® hardware from over temperature and electrical short as well as eliminating transmitter
spectrum distortion due to linearizer failure. The BEAMER® module software has built-in recovery
features following shut-down.
Caution: Do not change the conditions for these settings, unless specifically
advised by Celletra engineering.
2.7.4.4.4.
Defining System Failure Conditions
Command 'save alarm conditions' (code 26) defines the conditions for failures. These conditions can be
set to the customer's preferences. The following table describes the command conditions and the
suggested failure conditions.
Table 6: Failure conditions
Failure Description
Recommended Value
Temperature out of range
01 minor
Input power
01 minor
Output power out of range
01 minor
Tx attenuator
00 no condition
Main Rx attenuator
00 no condition
Div Rx attenuator
00 no condition
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2.7.4.5.
Failure Description
Recommended Value
BEAMER® supply voltage
01 minor
Tx current
02 major
Main Rx current
01 minor
Div Rx current
01 minor
Return power
01 minor
Power amplifier
02 major
Linearizer
02 major
Bias T voltage
02-major
ICU voltage
02-major
Rx bias T current
01- minor
Tx bias T current
02-major
BEAMER® CTRLR
02-minor
ICU CTRLR
01-minor
Fan current
00-no condition
Changing the Real Time Clock
The real time clock correct timing is important for log files time stamp. To change the RTC
timing use 'Save real time clock' command (code 38). The following example sets the time
to 10:00:00AM, at 31.03.2001:
Code 38 (save real time clock), ICU address, 1FH, 03, 0BH, 0AH, 00, 00
Note: Years are counted since 1990, thus 2001 is represented as 0BH (=11).
2.7.5.
Calibrating the Transmit Channel Gain
Before calibrating the transmit channel gain and connecting the BTS transmitter to the
BEAMER® -Tx array input, verify that the Tx-ABT is set to minimum gain (maximum
attenuation). Instructions for Tx-ABT gain setting can be found in section 2.7.3. This is
essential for protecting the BEAMER® from possible overdrive due to high input power
from the BTS.
The following diagram can be used as a guideline to determine the gain distribution over the
transmit link. The numbers within the shaded circles represent typical BEAMER® system
expected performance. However, some gain variations might occur. These variations might
be due to gain variations with BTS output power, the active Bias-T gain, RF cable loss and
BEAMER® -Tx gain. It is therefore important that the gain calibration procedure will be
performed whenever one of the system components is changed: the BEAMER® array, the
RF cable, the active Bias-T or the BTS up-converter output.
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G Beamer1
GBeamer 2
1:4
Divider
G Beamer 3
[L=6db]
+41dbm
Beamer
Array
[G=13dBi]
Combined
in the Air
EIRP=54dBm(max)
G Beamer 4
-3dbm
-9dbm
Pout =35dBm
G=44±0.5dB
GC=0 to 15.5dB
Pout (max)=10dBm
G=30±1dB
GC=0 to15.5dB
Coax
Loss=L
-10dbm
L=0 to
4dB
BTS
Input
G ABT
P in
+1dbm
Pin=-28dBm to -15dBm
Figure 19: Tx link budget example
2.7.5.1.
Estimating the Required Tx-ABT Gain
The purpose of this procedure is to verify that the BEAMER® system available gain is sufficient to
cover the expected RF losses, before starting the actual Tx calibration.
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Measure or estimate, according to the RF cable's vendor specifications, the RF losses over the Tx RF
cable. Typical loss for ½" cable is about 4dB/50meters. (LTX-CABLE)
Measure or estimate the output power from the BTS up-converter at full capacity (PBTS)
Using G BEAMER® (min)=44dB, estimate the needed output from the Tx-ABT:
Pout(ABT)=35dBm-G BEAMER®(44) +6dB+ LTX-CABLE(4)
Estimate the Tx-ABT gain to achieve the required ABT output:
GABT = Pout(ABT)-PBTS
The maximum available GABT is 30dB, reducible to 14.5dB in steps of 0.5dB.
2.7.5.2.
Setting the Actual Tx-ABT Gain
The following procedure will set the actual ABT-Tx gain to achieve the required output power from the
BEAMER® array (+35dBm per BEAMER® module, +41dBm or 12.6Watts at the antenna port).
1. Using the PC or BTS interface, verify that the Tx ABT gain is set to minimum.
2. Connect the BTS up-converter output to the Tx-ABT input.
3. Set the BTS up-converter to full capacity, single carrier simulated CDMA output (if this feature is
not available from the BTS, use a commercial CDMA source, such as HP4431B - ESGD, to generate
the required signal. Note that the BEAMER® power measurements are calibrated for CDMA RF
signals only).
4. Read the BEAMER® power indications for each BEAMER® module connected to the array.
Issuing the command read BEAMER® indications (code 132), with the appropriate ICU and
BEAMER® addresses does this. Output power indication is given within a range of 0-16dB above
+20dBm.
5. Repeat for all four BEAMER® -Tx modules integrated into the array. Compute the average output
power for one Beamer®:
PAV =
∑P
i =1
Where Pi is the measure output power from BEAMER® -Tx #i, as indicated by read BEAMER®
indications command.
6. Increase the Tx-ABT gain in 0.5dB steps until Pav=35dBm±0.5dB. Verify, at this position, that
between units variation of BEAMER® -Tx reading is less than ±1dB.
7. Record the calibrated Tx-ABT setting and the BEAMER® -Tx readings in the BEAMER® system
installation record sheet.
2.7.6.
Calibrating the Receive Channel Gain
The Pol. BEAMER® Rx array gain distribution is illustrated in the following figure. It is assumed that
the RF cable loss is 6dB. The shaded circles represent the received system noise level, at maximum
available gain and at 1.25MHz bandwidth.
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-82
dbm
2:1
Rear
Combiner
[L=0.3dB]
Beamer
-112
dbm
Beamer
Array
[G=13.5dBi]
2:1
Rear
Combiner
[L=0.3dB]
-82
dbm
RX
Noise Figure=4db
G=30±1dB
GC=0 to 15.5dB
RX
L=3 to 8dB
G=6±1dB
GC=0 to 15.5dB
RF Coax
Loss=L
G ABT
-88
dbm
-82
dbm
BTS down
Converter
BTS
Input
Noise P in
Figure 20: Rx channel gain distribution example
The main factors to consider, when calibrating the Rx channels are as follows:
The total system gain should be high enough to assure that the system input noise level will be driven
beyond the down-converter output AGC nominal bias point, when the BEAMER® plus BTS down
converter gain is at the maximum available gain.
The total BEAMER® system gain should not be too high, to avoid excessive reduction of the system
IIP3 thus increasing the system susceptibility to interference. As a rule of thumb, an excess gain of 610dB beyond the minimum required gain from rule 1 is the maximum required gain for rule 2.
For efficient diversity operation, even at relatively low signal to noise ratio, the two Rx channels gains
should be balanced to ±1dB.
The BEAMER® -Rx programming property offers the system integrator the tool for calibrating the
system gain, in full accordance with the above rules.
The proper trade-off between these rules should be found. As an example, if the two Rx channel are
very much unbalanced an excessive gain increase might be required at one channel, causing possible
interference susceptibility on that channel.
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Since it is impossible to accurately calibrate the BEAMER® system reverse link gain without removing
the antenna element (thus, effectively disassembling the array) the gain balance will be calibrated using
an external low power CW transmitter located at short range (50-100meters) away from the array,
transmitting at vertical polarization.
2.7.6.1.
Estimating the Required Rx-ABT and BEAMER® Rx Gain
The purpose of this procedure is to verify that the BEAMER® system available gain is sufficient to
cover the expected RF losses, before starting the actual Rx calibration.
1. Measure or estimate, according to the RF cable's vendor specifications, the RF losses over the Rx RF
cable. Typical loss for ½" cable is about 4dB/50meters. (LRX-CABLE)
2. Measure or estimate the minimum input power to the BTS down-converter required for the AGC bias
point at maximum BTS down-converter gain (PBTS)
3. Using G BEAMER® =30dB, estimate the needed gain from the Rx-ABT:
G(Rx-ABT)=PBTS-(-120dBm+G BEAMER® - LRX-CABLE)
4. If the estimated G(Rx-ABT) is higher than 6dB, increase G BEAMER® to get (Rx-ABT)~6dB. The
maximum available BEAMER® -Rx gain is 30dB. If this limit is reached, you should use a lower loss
RF cable.
5.If the estimated G(Rx-ABT) is lower than -3dB, reduce the Rx- BEAMER® gain and increase the
Rx-ABT gain. To avoid affecting the system noise figure, do not reduce the Rx- BEAMER® gain
below 20dB.
6. Record the required G(Rx-ABT) and G BEAMER® .
2.7.6.2.
Calibrating the Actual Reverse Link Gain
Calibrating the Rx channels is straightforward, using the ABT-Rx programming feature. However,
testing the actual calibration is not immediate, since, unlike the Tx channel calibration, power level
monitoring is not available for the Rx channels.
Rx channel calibration is performed by measuring the received Rx channels RF level, using a reference
mobile CDMA transmitter, or by measuring the background noise level for each receiver using the BTS
built-in software and hardware level measurements aids. These procedures, although not requiring
special test equipment, do require some interaction within the BTS software and hardware. We leave
this procedure for the customer's engineering personnel. Celletra will provide the customer the needed
technical support for performing the tests.
Note, however, that both the ABT-Rx gain and the BEAMER® -Rx gain are calibrated to ±1dB 1.
Connect the BEAMER® array to the ICU's ABTs, for both Rx channels.
2. Using a PC or the BTS controller software, set the Rx- BEAMER® and both Rx-ABT gain to the
computed required gain.
The receivers gain is set. You can perform gain tests, using one of the above-suggested procedures.
2.8. BEAMER® System Sector Array Installation Record
Sector #..............................................
ICU address .......................................
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ICU ID number ..................................
(from unit label)
Array Number....................................
2.8.1.
Installed BEAMER® Modules
Unit#1 ID(from unit label).................. system address
Unit#2 ID (from unit label)................. system address
Unit#3 ID (from unit label)................. system address
Unit#4 ID (from unit label)................. system address
2.8.2.
RF Cable Loss
Tx...................................................... dB
Rx1.................................................... dB
Rx2.................................................... dB
2.8.3.
Tx Channel
BTS output power level...................... dBm (at sector maximum capacity)
Tx-ABT gain ..................................... dB
BEAMER® measured output power:
P1...................................................... dBm
P2...................................................... dBm
P3...................................................... dBm
P4...................................................... dBm
Average ............................................. dBm
2.8.4.
Rx Channels
Estimated ABT-Rx gain
Rx1 ................................................... dB
Rx2 ................................................... dB
2.9. Test Procedure for Measuring the Rx Gain Balance
This section describes a way to measure the gain difference between to RF front-end channel. Following
the installation of a Pol. BEAMER® array.
The measurement requires test equipment and somewhat involved test set-up, based on mobile RF signal
generator connected to an antenna, capable of rotating on the horizontal plane. This test setup is not
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always available. Moreover, the good balance between the BEAMER® gain blocks, on both the
BEAMER® -Rx modules and the ICU, guarantees the gain balance.
However, we suggest to perform this measurement to one or two selected sites, as part of the system
validation tests.
1.
Place a signal generator with an omni-directional antenna, at a distance of 50-100meters from the
array. The antenna should be mounted as a vertically polarized antenna.
2.
Tune the signal generator output to Rx Center frequency, output power of 0dBm.
3.
Connect a spectrum analyzer to the ICU's Rx-ABT output for Rx1 channel. Tune the spectrum
analyzer to Rx Center frequency, zero span, RBW=30kHz, reference level =-20dBm@5dB/div,
sweep time = 10Seconds.
4.
While constantly moving the transmitting antenna on the horizontal plane, without altering the
polarization direction, watch the spectrum analyzer display of the received CW carrier. (you can
use a rotating plate or move the antenna manually).The spectrum analyzer display will show a
varying level line, around ~-30dBm. Estimate the average level of this line, Pr1, to ±1dBm.
Power
Estimated average level
Recorded trace
Time
Figure 21:Measuring the received
1.
Repeat for the other Rx-ABT output, for Rx2 receiver, to get Pr2.
2.
The readings for Pr1 and Pr2 should match to ±2dB. You can compensate up to ±4dB by finetuning the Rx-ABT gain (available gain step is 0.5dB). It is recommended to increase the gain of
one Rx-ABT and to reduce the gain of the other, to minimize the effects of possible over- or
under-gain conditions. If Pr1 and Pr2 differ within more than ±5dB, it might indicate an
installation problem.
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3.
BSM (BEAMER® SYSTEM MANAGER)
PROGRAM
3.1. Functions
The BSM program enables monitoring and control of the BEAMER® units form a local or remote PC
based host computer.
Its main functions are:
Status report for each Array
Status report for each BEAMER®
Control of system capacity and configuration
Control of each BEAMER®
Monitoring & Control of the ICU functions and Active Bias-Ts
Setting the Active Bias-T amplifiers gains for Tx and Rx channels.
3.2. Requirements for Operation
3.2.1.
Hardware
A PentiumTM based PC and a serial port on the PC
3.2.2.
Software
Window 95/98/NT operating system
3.3. User Interface Description
3.3.1.
Main Menu - Active Radiating Module System Manager
The Active Radiating system manager enables:
Display of systems status report such as:
Site name
Status of each Array
Real time date and clock
Authorized level for changes
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Access to the following operating menus and functions:
System
Password
BEAMER® monitoring and control
3.3.2.
System Menu List
The SYSTEM menu list provides the functions to set system parameters. It consists of four menus:
Capacity, Configuration, Array Control and Com
3.3.2.1.
Capacity Menu
The Capacity menu enables definition of the number of arrays in the system and maximum BEAMER®
units per array
3.3.2.2.
Configuration Menu
The Configuration menu enables:
Registration of new BEAMER® units in the system..
Display the ID number of each BEAMER® unit in the system.
Definition of the site name.
Definition of the conditions for failure messages.
Definition of the shutdown conditions for the Tx amplifiers.
Definition of status limits for failure messages (displayed by the ICU , the
user interface and sent to the AlBEAMER® concentrating unit).
3.3.2.3.
Comm Menu
The Comm menu enables selection of an available serial port
3.3.2.4.
Array Control
The Array Control menu enables setting the gain for each Bias T in the system.
3.3.2.5.
Password Menu List
The Password menu list enables entering the password to apply changes in system configuration.
Four levels of password are available:
1.
"Guest" level can only observe indications.
2.
"Operator" level can apply changes to System configuration setting menu and BEAMER®
setting menu in addition to "Guest" abilities.
3.
"Supervisor" level can apply changes to the system settings, such as Capacity/Failure conditions
and Limit/Shutdown conditions, in addition to the "Operator" abilities.
4.
"Administrator" can change the passwords in addition to "Supervisor" abilities.
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3.4. Status Reports
3.4.1.
Report by Visual Monitoring LEDs
Monitoring LEDs are located on the front panel of the ICU. Twelve green LEDs indicate that all twelve
arrays are functioning properly. Sixteen green LEDs indicate that all sixteen BEAMER® s are
functioning properly A fatal failure of an array or BEAMER® is indicated by a change in LED color
to Red. This same indication will be transferred to both the PC (or modem) and a dry contact. The
definition of a fatal array failure is software driven.
2 LEDs shows the Tx, Rx of serial port communications.
One LED shows the ICU condition.
One LED shows voltage condition.
3.4.2.
Report by Sending Messages (Monitoring)
Either a PC or remote- connected PC can be used for Monitoring and Control of the BEAMER® Array
System. The communication standard between the ICU and the local or remote PC is by a standard RS232/RS485 bus at a baud rate of 9.6 Kbps.
3.4.3.
BEAMER® Array System Control
Either a PC or remote- connected PC can be used for Control each individual BEAMER® and each of
the BEAMER® System. Local or remote PC can obtain control functions only
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3.5. BSM S/W
The BSM Software enables system configuration and monitoring functionality of each unit in the
system.
Operation of the software will be described in the following paragraphs.
3.5.1.
S/W Installation
The software installation is from diskette that supplied by Celletra .
•
Put disk no.1 in the floppy drive and run "Setup".
•
Follow the instructions on the screen until completion of installation.
3.5.2.
S/W Operation
From the "Program files" in the Windows operating system select the BEAMER® icon and operate the
software.
Follow the next steps in order to establish a correct system installation.
3.6. BSM Main Screen
From the
Setting menu
select the
Comm port.
Figure 22:BSM main screen
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3.7. Comm Port Selection
Connect RS-232
or RS-485 cable
to the ICU.
Run the cable to a
Comm port on
your PC.
Figure 23:Comm port selection screen
3.8. Password Entering
In order to create or
modify a
configuration, you
will need
"Administrator”
password level.
Figure 24:Password entering
3.9. Host Selection
From the Setting menu select
Main Host and then select either
Local or Remote Host.
Figure 25:Host selection
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3.10. Installation of ICU in System
Operate ICU 24VDC Power
Supply .
Enter the ICU ID opposite
any one of the ICU
addresses.
Figure 26:ICU installation
3.11. Failure Conditions Selection
Select Major or
Minor Fail
according to
operator
application
Figure 27:Failure severness seletion
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3.12. BEAMER® Limits Definition
Select limits
according to
operator
application
Figure 28:Beamer limits selection
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3.13. Shut Down Conditions Enable/Disable
Enable or
disable Shut
Down
conditions
according to
operator
aplication.
Figure 29:Shut Down condition enable
The “Shut Down Conditions” should be saved only after BEAMER® installation paragraph 4.18
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3.14. ICU Limits Definition
Select ICU limits
according to
operator
application
Figure 30:ICU limits selection
3.15. System Definition
Define the Number of
Arrays and the Type of
Arrays in your system.
Figure 31:System definition screen
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3.16. Sub-Array and BEAMER® Setting
From the Setting
menu select Array
Setting and
SubArray Setting.
(See instructions on
next page)
Figure 32:Array and Sub Array setting
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3.17. Sub Array Setting
Define Bias-Ts
according to system
definition and array
location
Figure 33:Bias-T definition
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3.18. BEAMER® Installation
From BEAMER
Setting select
BEAMER.
The S/W starts
looking for installed
BEAMERs.
Wait until Apply
button becomes
available.
Add missing
BEAMERs or make
changes according to
existing installation
by adding BEAMER
ID numbers.
Confirm by clicking
Apply button.
Figure 34:Beamer registering
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3.19. Column and Row Definition
In the Array address combo
box, select the Array number.
Check the Beamer Location.
Enter the Col and Row for the
Beamer.
Repeat for each Beamer in the
Array.
Click Apply when you have
completed an Array of
BEAMERs.
Repeat this procedure for all
the Arrays.
Click OK.
Figure 35:Column and Raw definition
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3.20. Sub-Array Status and Attenuator Setting
Select from Array Status
window an Array and select
Sub-Array option.
Click Pause Updating Window
and adjust the attenuator value
between 0 and 15.5 dB.
Click Apply in order to save
your selection.
Figure 36:Sub-Array status and attenuator setting
3.21. Control & BEAMER® Setting
Point cursor at an Array window.
Click to view all BEAMER addresses in
selected Array.
Double click to see BEAMER Control screen.
Figure 37:Operate Beamer status screen
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3.22. BEAMER® Control
Click Pause Updating
Window and select
attenuator value for Tx and
Rx according to your
system definition.
Click Apply to save your
selection.
Click OK to return to Main
screen.
Figure 38:Beamer status and attenuator setting
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ICU Status
Click on ICU window to see ICU
status.
In case of a failure, double click on
it to display details
Figure 39:ICU status
3.23. ICU CTRLR Status
Double click on the
CTRLR window to view
this box, which shows the
CTRLR parameters in
detail.
Figure 40:ICU CTRLR status
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3.24. ICU Properties
From Setting you can select
ICU Properties to view the
SW versions of the ICU
CTRLR card
Figure 41:ICU properties
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4.
SOFTWARE DOWNLOAD GUIDE
4.1. Introduction
This chapter is a guide to loading program files to the ICU and BEAMER® via their Monitoring and
Control communication channels. This enables program upgrades in the field without dismantling the
equipment for that purpose.
The program loading is done from a PC with a using the CELLETRA SOFTWARE DOWNLOADING
SYSTEM program, which is supplied by CELLETRA.
This chapter describes the loading process to the ICU and the BEAMER® using the CELLETRA
SOFTWARE DOWNLOADING SYSTEM.
4.2. Overview
4.2.1.
Downloading Software to the ICU
In the software download process a new application program file is loaded to the ICU via the serial
communication channel and saved to the FLASH memory.
4.2.1.1.
ICU Memory Configuration
The ICU controller includes two types of memories a FLASH memory and a RAM. The FLASH
memory includes the configuration parameters of the ICU (such as ID number, number of arrays,
failure conditions etc.) and the application program, which enables all the features of the ICU and which
is upgradable.
The RAM is used for logging events into the log file during regular operation of the ICU, and for
receiving the new application program for the ICU during the download process. A third memory is
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located in the CPU component and includes the basic I/O program of the controller. This program
enables operation of the basic functions of the controller (such as serial communication and application
program loading) and cannot be modified. The memory size allocated for the application is 64 Kbytes.
Programming a new application program into the FLASH memory does not affect the ICU
configuration parameters.
4.2.1.2.
ICU Download Operation Mode
Loading a program file to the ICU is enabled while the ICU operates in Download mode. The operation
mode of the ICU is changed by a command through the serial communication channel. When the ICU
operates in Download mode, no operational function is performed. (That means that it does not provide
monitoring and control of the BEAMER® s). The baud rate of the serial port increases to 56 Kbaud.
That enables faster transmission of data packets to the ICU during the download process. The ICU
returns to operational mode (Auto) at the end of the loading process or if there was no data transmission
from the PC within a predefined time period .
4.2.1.3.
File Transmission From PC to ICU
4.2.1.3.1.
File Transmission
The program file is a HEX type file and the data is ASCII format. While loading the file to the ICU the
PC sends the file content line by line. The ICU reports TO the PC about reception quality. If errors were
detected the transmission will be stopped and an error message will be displayed. The PC then restarts
the transmission. The program is contained in files of 64 Kbytes. That is, if the program size is greater
than 64 Kbytes it will be packed in two files that are distinguished by their names.
4.2.1.3.2.
File Name Format
The file name has the following format: IDUxxTVVV.Hyy
IDU
ICU application header
Xx
Not relevant for loader
Application type (0=Celletra/1=Korea)
VVV
Application version
Hyyy
HEX: The program is packed in one HEX file
H00 and H01: The program is packed in two HEX files
Example: IDUck0102.h01
IDUck: Software application
0: Celletra versionk
102: Software version number
h01: High package of the hex file
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4.2.2.
Downloading Software to the BEAMER®
The Software download process enables loading of a new application program file for the BEAMER®
host processor and the DSP via the serial communication channel and saving it to the FLASH memory
in the BEAMER® .
4.2.2.1.
BEAMER® Memory Configuration
The BEAMER® includes two processors a DSP and a HOST. The HOST processor is a general
purpose processor that is used for reporting BEAMER® status to the ICU via a FSK channel and for
initialization of the DSP.
The BEAMER® controller includes a FLASH memory that contains:
1.
The configuration parameters of the BEAMER® (such as ID number, calibration tables etc.).
These parameters are not affected during the loading process.
2.
The application program that enables all the features of the BEAMER® that can be replaced
by a new version.
3.
The program and data files of the DSP that can be replaced by a new version.
The FLASH size contains two files of each program (two of HOST application, two program files for
the DSP, and two data files for the DSP). The required program files for operation are selected by the
user. The memory is arranged by pages (each page includes 128 bytes).
4.2.2.2.
4.2.2.2.1.
File transmission from PC to the BEAMER®
File Transmission
The new file is transmitted page by page from the PC to the ICU and from the ICU to the BEAMER® .
All files to be loaded are text files. The files contain a Header block, which is the properties block, and
the software to be loaded. When the load process is enabled, the baud rate of the of the serial port (from
PC to the ICU) increases to 56 Kbaud. That enables faster transmission of data packets to the ICU
during the download process. The ICU reports the PC about reception quality and if errors were
occurred the transmission will be stopped and an error message will be displayed.
The ICU sends the data packets received from the PC to the BEAMER® and the BEAMER® reports
the ICU about reception quality. If errors were detected the transmission will be stopped and an error
message will be displayed
4.2.2.2.2.
File Name Format for HOST
Files will be identified by the following suffix: name.hst
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4.2.2.2.3.
File Name Format for DSP
Files will be identified by the following suffixes:
•
DSP Program file: name.dpm
•
DSP Data file: name.ddm
4.3. User Interface for SW Download
4.3.1.
Functions
The Software download program enables download program files to the ICU and the BEAMER® from
a local PC-based host computer.
Its main functions are:
•
Selection of the target for downloading (BEAMER® or ICU)
•
Selection of files to be loaded
•
Transmission of files from the PC to the selected target (BEAMER® or ICU).
•
Monitoring of transmission process
4.3.2.
4.3.2.1.
Requirements for Operation
Hardware
•
PentiumTM-based PC
•
Free serial port from the PC
•
At least 4 Mb free RAM
4.3.2.2.
Software
Window 95/98/NT operating system
4.3.3.
User Interface Installation
The software is installed from a diskette supplied by Celletra.
1.
Put disk no.1 in the floppy drive and run "Setup".
2.
Follow the instructions on the screen until completion of installation.
The program will be installed in the "Program files" subdirectory of the “Windows” directory.
4.3.4.
User Interface Operation
The program can be operated from the program menu in the start menu. Another option is to create a
shortcut for the program from the "Program files" subdirectory in the Windows directory and operate
the program by clicking the icon
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4.4. User Interface Description
When operating the program the following window will be displayed:
Figure 42:Down loader main screen
4.4.1.
System Field
The System field displays the address of the ICU and its ID number that is controlled by the operated
program. In case that the system includes few ICUs the required ICU can be selected by its address
from the address bar.
When the program is operated it scans the addresses (1 to 4) and displays the address of the existing
ICUs in the System filed . In case that no ICU was connected or the ICU was not configured the
address bar will remain blank.
4.4.2.
Authorization Field
Authorization field displays the actual authorization level. Two levels of authorization are available:
1.
"Guest" level can only observe indications.
2.
"Administrator" which enables the application of the loading process and change the passwords
in addition to "Supervisor" abilities.
4.4.3.
System Date and Time Field
System date and time displays the PC’s actual date and time. That time will be registered as one of the
properties of the loaded file.
4.4.4.
ICU SW Properties Field
ICU SW properties field is enabled when the loading process is enabled. It displays the properties of the
program file that exists in the ICU. The ICU property information includes the version number and file
loading date and time.
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4.4.5.
Destination Field
Destination field displays the destination for the file loading – BEAMER® or ICU.
4.4.6.
Setting Menu
Setting menu includes the following functions:
•
ICU Setting
•
Software loading code
•
Software remote loader
•
Site name
•
Destination
•
ComPort
4.4.6.1.
ICU Setting
If the connected ICU is not configured- meaning that it does not have an address - this function enables
defining and saving an address to the ICU. Click on ICU setting to display the following window:
Figure 43:ICU setting
Setting ICU’s address is enabled by entering it’s ID number (which is known and is the ICU serial
number).
4.4.6.2.
Software Loading Code
This function enables saving to the BEAMER® details about present loading. Software loading code is
an alphanumeric expression up to 20 characters.
Figure 44:S/W loading code
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4.4.6.3.
Software Remote Loader
This function enables saving of the program loader name into the BEAMER® . Software remote loader
is an alphanumeric expression up to 20 characters.
Figure 45:S/W remote loader
4.4.6.4.
Site Name
Figure 46:Site name
This function enables saving to the BEAMER® the name of the site name where a program was
recently loaded to the BEAMER® . Site name is an alphanumeric expression up to 20 characters.
4.4.6.5.
Destination
This function enables selecting the required destination for the SW download: BEAMER® or ICU
4.4.6.6.
ComPort
This function enables selecting the required communication path from the PC to the ICU. Selection of
ComPort function will display the Comm setting window
Connecting the ICU is possible directly via RS232 interface for local connection or via telephone
modem for remote connection. The remote connection is enabled in ICU versions that include internal
telephone modem. The Comm setting window enables selecting the required path: RS-232 interface or
modem. It displays all the available serial ports in the PC and enables selecting a free port in the case
where the RS-232 interface is selected.
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Figure 47:Comm port select
4.4.7.
Password Menu
Password menu enables the inclusion of the following functions:
1.
Enter password and user name
2.
Low level
3.
Change the Administrator password
4.4.7.1.
Enter Password
Clicking on the Enter password function will display the following window:
Figure 48:Password entering
The displayed window enables entering the required password, which enables the loading process.
4.4.7.2.
Low Level
Clicking on Low Level sets the Guest level authorization.
4.4.7.3.
Change Password
This function is enabled when the Administrator authorization is enabled and enables changing the
password for authorization.
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4.5. Program Loading Procedure
4.5.1.
Procedure for Loading Program to the ICU
To load a new version of application program file to the ICU controller, follow the following
instructions:
1.
Connect the PC that includes the Celletra program loader program to the ICU via the serial port.
2.
If you wish to keep the log file then save it, otherwise the log file will be erased during the new
file loading.
3.
Operate Celletra program loader program and wait until the address of the ICU appears at the
ICU address bar. If the system includes few ICUs, select the address of the required ICU from
the address bar.
4.
From the Setting menu select Comport and select the required communication path to the ICU.
• If the PC is connected via the serial port of the PC then check the RS-232 and define the COMM
port in the PC that is used.
• If the PC is connected via the a telephone line by a modem, then check the MODEM and dial the
telephone number of the destination modem.
5. From the Setting menu, click on Destination and select ICU as the destination for loading. The
following warning message will appear to warn that the log file will be erased:
Figure 49:Log file warning
6.
Exit to save the log file or Click O.K to continue. The properties of the existing file will be
displayed on ICU Software properties field.
7.
Click on the Password menu then on Enter to enter the password that enables loading of a new
program. After you enter the correct password and your name the Start download command key
will be enabled.
8.
Click the Start download command key to start the loading process. The following window will
be displayed
Figure 50:Loading file select
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9.
Select the required file and click on the Open button. If the selected file is similar to the existing
(operational) file then following notice will be displayed:
Figure 51:Similar or old file notice
10. If you wish to load the same file anyway then click Yes to continue, otherwise click No and select
other file.
11. During the loading process a status bar will be displayed:
Figure 52:Loading proccess duration
12. Wait about 3 minutes until the process is completed. If you wish to stop loading the file then
click on the Cancel button.
13. After the file has been loaded into the RAM successfully the ICU will program the FLASH
memory. During the FLASH programming the following message will be displayed:
Figure 53:Flash programming proccess
14. The new program version will operate at the end of this process and the ICU is operational again.
Figure 54:Fail to load message
15. If the loading process has been failed the following warning message will be displayed:
4.6. Procedure for Loading Program to the BEAMER®
To load a new file (application, DSP prog. file and DSP data file) to the BEAMER® controller follow
the following instructions:
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1.
Connect the PC that includes the Celletra PROGRAM
the serial port.
LOADER program to the ICU via
2.
If you wish to keep the log file then save it, otherwise the log file will be erased during the new
file loading.
3.
Operate Celletra program loader program and wait until the address of the ICU appears at the
ICU address bar. If the system includes few IDUs, select the address of the required ICU from
the address bar.
4.
From the Setting menu select Comport and select the required communication path to the ICU.
5.
If the PC is connected via the serial port of the PC then check the RS-232 and define the COMM
port in t he PC that is used.
6.
If the PC is connected via a telephone line by a modem then check the MODEM and dial the
telephone number of the destination modem.
7.
From the Setting menu click on Destination and select BEAMER® as the destination for
loading.
8.
Click on the Password menu then on Enter to enter the password that enables loading of a new
program. After you enter the correct password and your name the Start download command key
will be enabled.
9.
Click the Start download command key to start the loading process. Clicking the start download
button will display a window to enter the required BEAMER® ID number.
10. Enter the ID number of the required BEAMER® and click O.K to continue. In case that the
particular ICU ID number does not exist in the system the following warning message will be
displayed:
ERROR : BEAM ER NUMBR 51 IS NOT RESPONDING
Figure 55:Beamer not responding message
Otherwise the following window will be displayed:
Figure 56:Beamer loading area select
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11. Check the required file type for loading and click OK to continue . The following window will
enable to select the particular file to be loaded:
Figure 57:Loading file select
12. Select the required file from the file list and click OPEN for loading
During the loading process a status bar will be displayed:
Figure 58:Loading in proccess
13. Wait until the process is completed. If you wish to stop loading the file then click on the Cancel
button.
14. After the file was loaded into the BEAMER® successfully the following message will be
displayed:
FILE LOAD WAS COMPLETED SUCCESSFULLY
Figure 59:Loading completed
15. The new program version will operate at the end of this process and the BEAMER® is
operational again.
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WARRANTY
The following is just to inform you that:
The manufacturer warrants its hardware products against defects in materials and workmanship for a
period of one year from receipt by the end user. During the warranty period, the manufacturer will
either, at its opinion, repair or replace products that prove to be defective.
The warranty applies to the hardware only.
Refer to RMA procedures for returned goods procedure.
Exclusions
The above warranty shall not apply to defects resulting from: improper or inadequate use, unauthorized
modifications or misuse.
Warranty Limitations
Under no circumstances will the manufacturer be liable in any way to the user for damages, including
any loss of profits, lost savings, or other incidental or consequential damages arising out of the use of,
or inability to use, the product.
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INDEX
acronyms ........................................................... 10
transmit ................................................... 51, 56
array ..................................... 22, 29, 47, 48, 56, 60
clock .................................................................. 51
assembly........................................................ 29
comm................................................................. 62
dismounting................................................... 29
communication .................................................. 17
installation..................................................... 56
communications
mounting ....................................................... 29
serial.............................................................. 25
attenuator........................................................... 70
control ............................................................... 17
battery
DC
replacing ....................................................... 26
connections.................................................... 24
BEAMER ...............................................13, 68, 83
distribution .................................................... 18
configuring.................................................... 44
failure conditions ............................................... 63
control ........................................................... 71
file transfer .................................................. 75, 76
defining limits ............................................... 64
PC to BEAMER............................................. 76
installation..................................................... 68
PC to Micro-ICU............................................ 75
memory ......................................................... 76
fuse .................................................................... 24
software download ......................................... 76
GUI.................................................................... 58
Beamer System Manager ................................... 58
ICU.................................................................... 13
Bias-T.....................................................16, 28, 47
LEDs ................................................................. 60
BSM ............................................................ 58, 61
loading
user interface ................................................. 58
BEAMER program ........................................ 83
channel
Micro-ICU program ....................................... 81
receive ........................................................... 56
programs........................................................ 81
receive ........................................................... 54
logical addresses ................................................ 43
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maintainability................................................... 19
Rx...................................................................... 56
measurement conditions..................................... 23
Rx gain .............................................................. 57
menus ................................................................ 59
Rx-ABT gain ..................................................... 55
messages............................................................ 60
serial communications........................................ 25
Micro-ICU................ 13, 24, 63, 65, 72, 73, 74, 81
shut down .......................................................... 64
memory ......................................................... 74
software ................................................. 61, 74, 76
properties....................................................... 73
downloading to BEAMER.............................. 76
software download ......................................... 74
downloading to ICU....................................... 74
status ............................................................. 72
user interface ................................................. 77
monitoring................................................... 17, 60
user interface for download ............................ 77
network.............................................................. 17
sofware .............................................................. 77
password...................................................... 62, 80
status reports...................................................... 60
program ............................................................. 81
sub-array...................................................... 66, 70
loading .......................................................... 81
system ................................................................ 65
receive
system manager.................................................. 58
gain ............................................................... 57
transmit channel ................................................ 56
receive channel .................................................. 56
transmit channel gain......................................... 51
receive channel gain .......................................... 54
Tx ...................................................................... 56
reports ............................................................... 60
Tx-ABT gain ..................................................... 52
RF cable............................................................. 56
warranty............................................................. 85
RF path.............................................................. 16
Confidential, Proprietary Information
Title: BEAMER Array SystemAssembly and Operation Manual
Doc. No.: 913000000
Rev.: 1.1
Page: 86 of 86

Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.2
Linearized                      : No
Page Count                      : 86
Creator                         : Microsoft Word
Create Date                     : 2001:12:10 13:29:18
Title                           : an
Author                          : mbosley
Producer                        : Acrobat PDFWriter 4.05 for Windows

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Celletra C-BCL Cellular Multi-Channel Amplifier Antenna User Manual an

Celletra Ltd. Cellular Multi-Channel Amplifier Antenna an

users manual

FCC ID Filing: PNQC-BCL

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