Powerwave Technologies LNKF800 LinkNet LNKF800 Repeater Module User Manual

Powerwave Technologies Inc. LinkNet LNKF800 Repeater Module Users Manual

Users Manual

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Document ID178085
Application ID1IEzYskBuv2dQy5urAb+5g==
Document DescriptionUsers Manual
Short Term ConfidentialNo
Permanent ConfidentialNo
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Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize15.93kB (199143 bits)
Date Submitted2001-11-07 00:00:00
Date Available2002-01-08 00:00:00
Creation Date2001-10-19 15:50:48
Producing SoftwareAcrobat Distiller 4.05 for Windows
Document Lastmod2001-10-19 15:51:10
Document TitleUsers Manual

LinkNet™
LNKF800 RF MODULES
USER MANUAL
INSTALLATION, OPERATION
AND MAINTENANCE
KAVAL WIRELESS TECHNOLOGIES
60 Gough Road
Markham, Ontario, L3R 8X7
Telephone: (888) 86-KAVAL
Web: www.kaval.com
E-mail: info@kaval.com
Document #DCM000000014, Rev.10
October 19, 2001
LinkNet™ LNKF800 RF MODULES ! USER MANUAL
DCM000000014
PROPRIETARY STATEMENT
© 2000 KAVAL WIRELESS TECHNOLOGIES All rights reserved.
No part of this publication, or any software included with it may be reproduced, stored in a retrieval system,
or transmitted in any form or by any means, including photocopying, electronic, mechanical, recording or
otherwise, without the prior written permission of the copyright holder.
This document contains proprietary information of KAVAL WIRELESS TECHNOLOGIES The contents are
confidential and any disclosure to persons other than the officers, employees, agents or subcontractors of
the owner or licensee of this document, without the prior written consent of KAVAL WIRELESS
TECHNOLOGIES, is strictly prohibited.
KAVAL WIRELESS TECHNOLOGIES provides this document as is, without any warranty of any kind either
expressed or implied including, but not limited to, the implied warranties of merchantability and fitness of a
particular purpose. KAVAL WIRELESS TECHNOLOGIES may make changes or improvements in the
equipment, software, or specifications described in this document at any time and without notice. These
changes will be incorporated in new releases of this document.
This document may contain technical inaccuracies or typographical errors. KAVAL WIRELESS
TECHNOLOGIES waives responsibility for any labour, materials, or costs incurred by any person or party as
a result of using this document. KAVAL WIRELESS TECHNOLOGIES, and any of its affiliates shall not be
liable for any damages (including, but not limited to, consequential, indirect or incidental, special damages or
loss of profits or date) even if they were foreseeable and KAVAL WIRELESS TECHNOLOGIES has been
informed of their potential occurrence, arising out of or in connection with this document or its use.
TRADE MARK NOTICE
This manual makes reference to trademarks that are the property of other companies. References are used
only to refer to the products or services of the trademark owners.
LinkNet™ is a trademark of KAVAL WIRELESS TECHNOLOGIES
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Revision Date: 10/19/01:
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LinkNet™ LNKF800 RF MODULES ! USER MANUAL
DCM000000014
TA B L E O F
CONTENTS
1.
LNKF800 MODULES ................................ 4
OVERVIEW .............................................................. 4
Theory Of Operation ......................................... 4
MODELS ................................................................. 4
BLOCK DIAGRAM ..................................................... 5
LNKF800 RF Module ........................................ 5
MODULE SPECIFICATIONS ....................................... 6
OPERATION ............................................................ 7
Software Set-up ................................................ 7
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Configuration..................................................... 7
Power On Self Test (POST).............................. 8
Normal Operation.............................................. 9
LINKNET FM MODULE Module ..................... 10
ANTENNA INSTALLATION ........................................ 11
Revision Date: 10/19/01:
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LinkNet™ LNKF800 RF MODULES ! USER MANUAL
1.
DCM000000014
LNKF800 MODULES
Overview
Theory Of Operation
An LINKNET FM MODULE is a radio repeater that simultaneously receives and
transmits a single narrow band radio channel on exactly the same frequency.
The LINKNET FM MODULE accomplishes its repeater function without store and
forward circuitry, or expensive conventional simulcasting techniques. The fact that
the same frequency is retransmitted by an LINKNET FM MODULE means that
additional frequency allocations are not required in situations where an existing radio
coverage pattern needs to be extended. The most common LINKNET FM MODULE
applications are the extension of above ground signals into buildings, tunnels,
vehicles or the extension of radio coverage patterns into outdoor shaded areas such
as deep valleys.
From an applications standpoint, an LINKNET FM MODULE is very similar to a
regular two-way radio repeater. LINKNET FM MODULES can be combined using
regular two-way radio multicoupling or duplexing equipment and have input and
output signal characteristics to those of regular transmitters and receivers. The one
special consideration in LINKNET FM MODULE systems is that of input to output
antenna isolation. This must be carefully engineered for each installation.
LINKNET FM MODULES are designed for indoor use only and are intended for
mounting in a standard EIA 19 inch rack. The Modular design of LINKNET FM
MODULE circuitry allows for easy servicing, stocking of spares, adaptability and
upgrade ability.
Models
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LNKF800 MODULE FAMILY
MODEL
TYPE
FREQUENCY
LNKF800-A1
25 KHz FM Channels
806-824 MHz (FM)
LNKF800-B1
25 KHz FM Channels
851-869 MHz (FM)
LNKF800-C2
12.5 KHz FM Channels
806-824 MHz (FM)
LNKF800-D2
12.5 KHz FM Channels
851-869 MHz (FM)
LNKF800-G1
12.5 KHz FM Channels
896-902 MHz (FM)
LNKF800-H1
12.5 KHz FM Channels
935-941 MHz (FM)
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LinkNet™ LNKF800 RF MODULES ! USER MANUAL
Block diagram
RF Output
806-941 MHz
DCM000000014
LNKF800 RF Module
Transmit Board
Gain Control
IF Board
Blind-Mate
to SMA RF
Connector
First IF
Filter
Buffers, Filters, and
Linear Power Amplifier
Gain
Control
First Local
Oscillator
Test
Oscillator
2'nd Local
Oscillator
2'nd IF
Crystal
Filter
UMC Controller Board
MicroController
with lines to
all Boards
Power
Circuits
Communication
Interfaces
Power &
Control to
Backplane
2'nd IF
Crystal
Filter
Receive Board
2'nd Local
Oscillator
First Local
Oscillator
Low Noise
Pre-Amplifier
Buffer
Amplifiers
First IF
Filter
RF Input
806-941 MHz
Blind-Mate
to SMA RF
Connector
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LinkNet™ LNKF800 RF MODULES ! USER MANUAL
Module Specifications
DCM000000014
Frequency Bands
See Model Chart
Narrowband FM,
Modulation & Channel Spacing
25 or 12.5 KHz as per Model Chart
RF Frequency Stability
Tracks Input Signal Exactly
+38 dBm for A1,B1,C2,D2 Models
Max. RF Output Power
RF Output Power Range
+37 dBm for G1, H1 Models
Power can be reduced 20 dB in 1 dB Steps
(AGC Controlled)
RF Output Power Variation vs. Input
+/- 1 dB
(over -90 to -30 dBm)
Input Dynamic Range
-110 to -30 dBm
Input Sensitivity Adjust Range
-110 to -50 dBm
Input Hysteresis
1 to 10 dB
Adjacent Channel Selectivity
60 dB Minimum
Transmit Duty Cycle
Continuous
Transmit Spurious
-13 dBm max
Receive Conducted Spurious
-57 dBm Max
<3% Increase for 25 KHz Modules
Audio Distortion & Noise
<4% Increase for 12.5 KHz Modules
Transmit Key-Up & Key-Down Times
<2 mS Key-Up, <1 mS Key-Down
<120 uS for 25 KHz,
Group Delay
<160 uS for 12.5 KHz
RF Connectors
SMA (50Ω) Connectors on back of Card-Cage
Module Power Supply Requirements
45 Watts Maximum
Connections
Edge Connector & 2 Blind-Mate RF Connectors to
Card-Cage, DB-15 Connector on back of CardCage provides per-Module Fault Relay,
Interconnect to other Modules, & RS-232
Front Panel Indicators
Operating, Stand by, Fault, Program Mode,
Receive, Transmit
Configuration Options
RF Modules may be configured either via the
optional Controller Module, or via a PC and an
RS-232 Connection via the Card-Cage.
Operating Temperature Range
-10 to +50oC; consult Manual DCM000000008 for
cooling requirements
Operating Humidity Range
10 to 90% RH, Non-Condensing
Size & Weight
9.11” High, 2.00” Wide, 14.00” Deep,
10 lbs, 4.5 kg Max
Also consult the main LinkNet™ Manual DCM000000008.
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LinkNet™ LNKF800 RF MODULES ! USER MANUAL
Operation
DCM000000014
Software Set-up
The LNKF800 module is shipped with the following factory set options:
OPTION
RANGE OF VALUES
DEFAULT VALUE
Frequency
See Model Chart
Order Specific
Receive Threshold
–110 to -50 dB
-89 dB
Receive Hysteresis
1 to 10 dB
2.5 dB
Time Out
0 to 600 Seconds, or none
300 Seconds
Module Enabled
On / Off
On
Transmit Power Level
20 to 38 dBm
Order Specific
Default values may be changed when an order is placed. Check your order
confirmation (shipped with modules) for customized values.
Configuration
TM
In line with the versatility of the LinkNet Platform, it is possible to re-configure the
LNKF800 module in the field, either with a Personal Computer (PC) or via the
optional Control Module. To use a PC it is necessary to have a Kaval
CAB000000057 Control Cable to connect between the appropriate Module's DB15
connector on the back of the Card-Cage and the standard DB9 RS232 Connector on
the PC. On the PC a terminal emulation program such as HyperTerminal is used to
communicate to the LinkNet Module. The settings are 9600 baud, 8 bits, no parity,
and 1 stop bit. Commands are one or two words followed by pressing Return.
Commands may be given in upper or lower-case. Available commands are...
ACCESS USER:
HELP or ?:
LIST:
VER:
ENABLE 1 or 0:
TXFREQ #########:
RXFREQ #########:
TXPOWER ###:
RXTHRESH -####:
RXHYSTER ##:
TIMEOUT ####:
TESTOSC 1 or 0:
Required as a simple password to gain access to customer
settable parameters and diagnostics; This will time-out after 10
minutes, and may have to be re-typed.
Displays a list of Available Commands.
Displays Current Settings and Status Faults, Etc.
Display the current Version of Software.
Enables or Disables the Module.
Displays or Sets the current Transmit Frequency (in Hertz).
Displays or Sets the current Receive Frequency (in Hertz).
Displays or Sets the Transmit Power Level (in tenths of a dBm).
Displays or Sets the Receive Threshold Level (in tenths of a dBm).
Displays or Sets the Receive Hysteresis (in tenths of a dB).
Displays or Sets the Timeout-Timer value (in Seconds).
Enables or Disables the Test Oscillator.
Please consult Kaval Wireless Technologies for further support.
Printed: 01.10.19,15:50
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LinkNet™ LNKF800 RF MODULES ! USER MANUAL
DCM000000014
Power On Self Test (POST)
Each system module automatically performs a self-diagnostics when inserted into
the system Card-cage. These tests determine that the unit is a) correctly installed in
the Card-cage and b) not damaged in transit.
•
•
•
•
All six of the LED’s on the front panel will flash 3 times
If the LED’s do NOT flash three times, then remove the module, check the power
source, and re-insert the module, (See Installation Instructions).
If the card is “OK” the LED’s will continue normally. (See Normal Operation)
If there is a fault, then the Red Fault LED will remain on. If this occurs, contact
your KAVAL WIRELESS TECHNOLOGIES Service Representative, (See
Warranty / RMA Procedures).
The Power On Self Test is Not an RF test, it only verifies that there is power to
the unit and that the logical circuitry is functioning.
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LinkNet™ LNKF800 RF MODULES ! USER MANUAL
DCM000000014
Normal Operation
The LNKF800 Module has six LED’s on the faceplate:
1. OPERATING - Under normal operating conditions, this LED will flash
GREEN when RF Data is present.
2. STANDBY – Under the control of the Controller Module, the LNKF800
Module has the ability to act as a duplex transmitter, sitting perpetually in
Stand by Mode waiting for the primary transmitter to fail. This LED should
be constant Amber. If a Fault should occur with the primary module, the
“Stand by” unit will immediately become the primary unit, at which time the
Stand by LED will be turned off and the LED’s will show an operating
Module.
3. TRANSMIT – This Green LED will be on when a signal is being
transmitted
4. RECEIVE – This Green LED will be on when a signal is being received
5. PROGRAM – This LED will be constant Amber when the unit is being reprogrammed by the Controller Module. This will signify that the unit is
powered on but unavailable for use.
6. FAULT – Red LED, If the internal diagnostics for the module detect a
problem, then this LED will remain on
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LinkNet™ LNKF800 RF MODULES ! USER MANUAL
DCM000000014
LINKNET FM MODULE Module
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LinkNet™ LNKF800 RF MODULES ! USER MANUAL
Antenna Installation
•
•
•
•
•
DCM000000014
All Antenna Installation to be performed by Qualified Technical Personnel only.
Antenna Installation Instructions and locations below are for the purpose of
satisfying FCC RF Exposure Compliance requirements.
Note that if multiple LinkNet™ Modules are used, the Instructions below
apply to the composite power output of all Modules when transmitting
simultaneously.
The Roof Top Antenna or Antennae for linking to the Donor Site(s) is/are
directional (high gain) Antennae, fixed-mounted physically on the side or top of a
building, or on a tower. The Antenna Gain must be no more than 10 dB. If
multiple LinkNet™ Modules are used with output combiners into any one
Antenna, and/or multiple Antennae are used on one Roof Top, then the
sum of composite powers into all Roof Top Antennae must not exceed 100
Watts maximum. Please consult Kaval Wireless for assistance as required. The
Roof Top Antennae location should be such that only Qualified Technical
Personnel can access it, and that under normal operating conditions no other
person can touch the Antenna, or approach within 10 meters of the Antenna.
The In-Building Antenna connection is via a coaxial cable distribution system
with Signal Taps at various points connected to the fixed-mounted Indoor
Antennae. This is shown in the figure in the Introduction. The Indoor Antennae
are simple 1/4 Wavelength (0 dB Gain) types. They are used with KAVAL
WIRELESS TECHNOLOGIES 12, 16, or 20 dB Cable Taps. As such the
maximum EIRP will be at the first Tapped Antenna, which will be 12 dB below
the maximum signal level of the LinkNet™ (+40 dBm); +28 dBm, or 0.63 Watts
EIRP. If multiple LinkNet™ Modules are used with output combiners, then
the composite power output of all Modules transmitting simultaneously
must meet this maximum EIRP requirement. Please consult Kaval Wireless
for assistance as required. These Antennae are to be installed such that no
person can touch the Antenna, or approach within 0.2 Meters.
ANTENNA INSTALLATION
WARNING
ALL ANTENNA INSTALLATION IS TO BE PERFORMED BY QUALIFIED
TECHNICAL PERSONNEL ONLY.
ANTENNA INSTALLATION INSTRUCTIONS AND LOCATIONS ARE FOR THE
PURPOSE OF SATISFYING FCC RF EXPOSURE COMPLIANCE
REQUIREMENTS, AND ARE NOT OPTIONAL.
ALL ROOF TOP ANTENNA INSTALLATION MUST BE SUCH THAT NO PERSON
CAN TOUCH THE ANTENNA, OR APPROACH CLOSER THAN 10 METERS.
ALL IN-BUILDING ANTENNAE INSTALLATIONS MUST BE SUCH THAT NO
PERSON CAN TOUCH THE ANTENNAE, OR APPROACH CLOSER THAN 0.2
METERS.
Printed: 01.10.19,15:50
Revision Date:10/19/01
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