Kaval LINKnet OFR400 Series User Manual Download Page 6

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LINK

net

™ OFR400 RF MODULES

USER MANUAL

DCM000000019

Printed: 00.04.11,13:13

Revision Date:4/11/00

OFR400 RF Module

Block diagram

Transmit Board

UMC Controller Board

Receive Board

IF Board

RF Input
403-512 MHz

RF Output
403-512 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

First IF

Filter

2'nd IF

Crystal

Filter

2'nd Local

Oscillator

Summary of Contents for LINKnet OFR400 Series

Page 1: ...E R M A N 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 TELECOM INC 60 Gough Road Markham Ontario L3R 8X7 Telephone 888 86 KAVAL Web www kaval com E mail ...

Page 2: ...ractors of the owner or licensee of this document without the prior written consent of KAVAL TELECOM INC is strictly prohibited KAVAL TELECOM INC 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 TELECOM INC may make changes or improvements in the...

Page 3: ... D Rev Page Description of Revision Date 0 All Original Release Apr 6 2000 T T T T T T T T R R R R R R R R A A A A A A A A D D D D D D D D E E E E E E E E M M M M M M M M A A A A A A A A R R R R R R R R K K K K K K K K N N N N N N N N O O O O O O O O T T T T T T T T I I I I I I I I C C C C C C C C E E E E E E E E This manual makes reference to trademarks that are the property of other companies Re...

Page 4: ... A B L E O F C O N T E N T S T A B L E O F C O N T E N T S T A B L E O F C O N T E N T S 1 OFR400 MODULES 4 OVERVIEW 4 Theory Of Operation 4 MODELS 4 BLOCK DIAGRAM 5 OFR400 RF Module 5 MODULE SPECIFICATIONS 6 OPERATION 7 Software Set up 7 Power On Self Test POST 8 Normal Operation 9 OFR Drawing Sides and Top 10 ANTENNA INSTALLATION 11 ...

Page 5: ...Frequency Radio Repeaters 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 OFR systems is that of input to output antenna isolation This must be carefully engineered for each installation Standard On Frequency Radio Repeaters are designed ...

Page 6: ... 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 Fi...

Page 7: ...Spurious Output 57 dBm Max Maximum Gain 140 dB Audio Distortion Noise Narrowband FM 3 Increase Transmit Key Up Time 2 mS Transmit Key Down Time 1 mS Group Delay 120 uS Input Output Connectors SMA Connectors on back of Card Cage Input Output Impedance 50 Ohms Module Power Supply Requirements 12V 28V from Card Cage Power Supply Module Power Consumption 45 W Maximum Connections to Card cage Edge Conn...

Page 8: ...0 dB 89 dB Receive Hysteresis 1 to 10 dB 2 5 dB Hang Time 0 0 to 5 0 Seconds 2 0 Seconds Time Out 0 to 600 Seconds Or none 300 Seconds Module Enabled On Off On Transmit Power Level 20 to 37 dBm Order Specific In line with the versatility of the LINKnet TM Platform it is possible to re configure the OFR400 module in the field For further information on the modification software and the PC adapter c...

Page 9: ... 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 TELECOM INC Service Representative See Warranty RMA ...

Page 10: ...ail 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 wi...

Page 11: ...LINKnet OFR400 RF MODULES USER MANUAL DCM000000019 Printed 00 04 11 13 13 Revision Date 4 11 00 10 OFR Drawing Sides and Top OFR400 Module ...

Page 12: ...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 TELECOM INC 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 37 dBm 28 dBm or 0 63 Watts EI...

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