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Subracks

  • Codan - Subracks
  • Codan - Subracks

Codan subracks provide interconnection between modules via a universal motherboard located at the rear of the subrack.

Codan sells a variety of subracks for modules to plug into, the dimension of all models is: 19″ W x 14.5″ D x 5.25″ H

Models include:

  • SR-39-1 Standard Subrack
  • SR-39-3 Multiple Receiver Subrack
  • SR-39-4 Multiple Transmitter Subrack

SR-39-1 Standard Subrack

  • Designed to hold and interconnect the receiver, transmitter and control modules on one universal motherboard

  • The Type 84 motherboard makes extensive use of cage jacks to interconnect the A and B systems supporting a number of field configurations

  • Additional auxiliary control connectors provide easy access to virtually all control and audio lines, simplifying many standard base / repeater configurations

  • Modules may be inserted in the subrack in many various configurations

  • Receivers and transmitters connect to 48 pin connectors in four slots on the subrack

  • Holds 2 RX Modules, 2 TX (Exciter) Modules, 1 Control Card and 1 System Regulator

  • Standard features include: Euro-standard metalwork, stainless-steel hardware, fused power connection, transient protectors, gold-plated connectors, and a standard 90-degree, quick-release module-locking system

SR-39-3 Multiple Receiver Subrack

  • Designed to hold and interconnect multiple receivers and control modules on one universal motherboard

  • Holds up to five receiver modules and one System Regulator (for voltage regulation and distribution on the subrack)

  • Ideal for voting receivers or with the multiple transmitter subrack and multiple power amplifier subrack for multi-channel trunking systems

  • The multiple receiver subrack does not interconnect the different receivers but brings control lines and audio out to connection points on the rear of the subrack

  • The external control connector allows access to the following signals on each receiver: Receiver channel select lines, Carrier Operated Relay connections, priority COR output Receiver discriminator or flat / de-emphasis audio output, squelch override input, signal strength indicator, balanced audio output, mute input, synthesizer lock detect and Ground

SR-39-4 Multiple Transmitter Subrack

  • Designed to hold and interconnect multiple transmitters on one universal motherboard

  • Holds up to five transmitter modules

  • Ideal for multi-channel trunking systems with the multiple receiver subrack and multiple power amplifier subrack

  • Contains a built in voltage regulator mounted behind the blank panel on the right side of the subrack

  • The multiple transmitter subrack does not interconnect the different transmitters, but brings control lines and audio out to connection points on the rear of the subrack

  • The external control connector allows access to the following signals on each transmitter: Transmitter channel select lines, microphone output, standby, Push To Talk, balanced audio input, squelch flat audio input, squelch de-emphasis input, subtone input 1 and 2, Push To Talk output, direct modulation input and Ground