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KD-707SR HF Remote Control

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        KD-707SR HF Remote Control is a remote connection unit in order to satisfy the special application for CODAN NGT SR HF radio . Practical Application :

        Human-computer interaction (handle, speaker, control panel)

        Partial separation between transmitters and antenna(middle or long distance)

        Solving the master control room and launch station are no longer in the same place , the distance between master control room and antenna erection point exceeds the max length of antenna feeder , ensure personnel safety in emergency .

  • Detailed introduction

Summary

 

       The device connection is simple , extending functionality and system can be laid on their own or leased the optical fiber lines of  China Telecom (single mode fiber) to achieve remote connections between wireless short-wave radio control  and  transmitter antenna at the maximum 90KM area.

 

 

Function

 

   Keep the original way of HF radio operation,Compliance with operating habits

   Real time monitoring : devices in HF radio machine room

          Economize Investment cost :  follow the  original device of HF radio and HF transceiver

          Let  high power HF radio get away from interference (Computer, line telephone, electronic communication equipment)

          Shorten the feeder length between shortwave radio and antenna ,reduce radio frequency loss,improve the quality of communication.

 

Connection Mode

 

 

 

Control terminal FP

 

Control terminal BP

 

 

Controlled  terminal  FP

 

Controlled  terminal BP

 

 

Interface type

 

 

NAME

Functionality

Interface Type

Quantity

DC12V input

DC supply

Two-core air connector

1

Codan radio interface

Access codan HF radio

DIN 836

2

RS 232 interface

Backup control

RS 232

2

visual input interface

Camera visual input

BNC linker

1

0 PT

fiber optic transmission

FC linker

1

DC12V output

DC supply

5569-5557-4

2

GND

grounding

ground post

1

 

Technical Parameter

 

    Video format:PAL/NTSC/SECAM;

    Video input impedance:BNC75Ω Unbalanced interface;

   Video input Voltage:1.0Vpp(ypical value);

   Video output Voltage:1.5Vpp(Max);

   SNR:≥67db/71db(weight);

   Fiber physical interface:FC;

   Wavelength optical transceiver:1310/1550nm(Single-mode);

   Transmission distance:20KM;

   Power supply:DC voltage 12V,Current 5A;

   Physical parameter:19inch Standard rack,2U;

   Operating temperature:-30℃—+70℃;

   Weight:4.5KG  

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