Kaval LNKF800-A1 Instructions Manual For Installation, Operation And Maintenance Download Page 5

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LinkNet™ LNKF800 RF MODULES

USER MANUAL

DCM000000014

Printed: 01.10.19,15:50

Revision Date:10/19/01

LNKF800 RF Module

Block diagram

Transmit Board

UMC Controller Board

Receiv e Board

IF Board

RF Input
806-941 MHz

RF Output
806-941 MHz

Micro-
Controller
with lines to
all Boards

Blind-Mate
to SMA RF

Connector

Blind-Mate
to SMA RF
Connector

Power &
Control to
Backplane

Gain Control

Communication
Interfaces

Gain
Control

Test
Oscillator

Low Noise
Pre-Amplifier

Buffer
Amplifiers

2'nd Local
Oscillator

First Local
Oscillator

Buffers, Filters, and
Linear Power Amplifier

Power
Circuits

First Local
Oscillator

2'nd IF
Crystal
Filter

First IF
Filter

2'nd IF
Crystal
Filter

2'nd Local
Oscillator

Summary of Contents for LNKF800-A1

Page 1: ...U A L I N S T A L L A T I O N O P E R A T I O N I N S T A L L A T I O N O P E R A T I O N I N S T A L L A T I O N O P E R A T I O N I N S T A L L A T I O N O P E R A T I O N A N D M A I N T E N A N C E A N D M A I N T E N A N C E A N D M A I N T E N A N C E A N D M A I N T E N A N C E KAVAL WIRELESS TECHNOLOGIES 60 Gough Road Markham Ontario L3R 8X7 Telephone 888 86 KAVAL Web www kaval com E mail ...

Page 2: ...lied 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 typog...

Page 3: ...O F T A B L E O F C O N T E N T S C O N T E N T S C O N T E N T S C O N T E N T S 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 Configuration 7 Power On Self Test POST 8 Normal Operation 9 LINKNET FM MODULE Module 10 ANTENNA INSTALLATION 11 ...

Page 4: ...ions 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 b...

Page 5: ...r with lines to all Boards Blind Mate to SMA RF Connector Blind Mate to SMA RF Connector Power Control to Backplane Gain Control Communication Interfaces Gain Control Test Oscillator Low Noise Pre Amplifier Buffer Amplifiers 2 nd Local Oscillator First Local Oscillator Buffers Filters and Linear Power Amplifier Power Circuits First Local Oscillator 2 nd IF Crystal Filter First IF Filter First IF F...

Page 6: ...crease for 25 KHz Modules 4 Increase for 12 5 KHz Modules Transmit Key Up Key Down Times 2 mS Key Up 1 mS Key Down Group Delay 120 uS for 25 KHz 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 Card Cage provides per Module Fault R...

Page 7: ...r 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 Required as a simple password to gain access to customer settable parameters and diag...

Page 8: ... 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 Warrant...

Page 9: ... 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 ...

Page 10: ...LinkNet LNKF800 RF MODULES USER MANUAL DCM000000014 Printed 01 10 19 15 50 Revision Date 10 19 01 10 LINKNET FM MODULE Module ...

Page 11: ...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 fi...

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