ComNet FTA: Simplex Audio with 1 Channel Contact Closure

ComNet FTA: Simplex Audio with 1 Channel Contact Closure

Product Code: CN-FTA2C1 / CN-FRA2C1


The ComNet FTA/FRA2C1 Series audio multiplexer provides the transmission of two audio signals and one contact closure over one multimode or singlemode optical fibre.  The modules use 24-bit 96kHz sample rate digital encoding for superior transmission of balanced line-level audio.

Plug-and-play design ensures ease of installation and no electrical or optical adjustments are required. Bi-colour LED indicators confirm operational status. Packaged in th

Product Options

Please add suffix ‘/C’ for Conformally Coated Circuit Boards to extend to condensation conditions – please contact us for pricing and delivery
Mounting: DIN-rail mounting adaptor plate kit with mounting hardware – please order CN-DINBKT1

e exclusive ComNet ComFit housing, these units may be either wall- or rack-mounted.

  • Two simplex or duplex audio channels
  • One simplex or duplex contact closure
  • 24-bit 96kHz digitally encoded transmission
  • 20Hz – 20kHz audio bandwidth
  • 600? audio input impedance
  • No in-field electrical or optical adjustments required
  • Transmits balanced line-level audio up to +8.5dBm
  • Distances up to 48km without repeaters
  • Automatic resettable fuses on all power lines
  • Bi-colour LED status indicators confirm operating status
  • Hot-swappable rack modules
  • Interchangeable between stand-alone or rack mount use – ComFit
  • ComNet Lifetime Warranty


A bidirectional model, CN-FXA2C1(M,S)1, is also available.

DC plug-in power supply, 90-264Vac, 50–60Hz included


Part CodeDescriptionFibre TypeOptical Power BudgetMax Distance
CN-FTA2C1M12-Channel Audio Transmitter 1310nmMultimode - 62.5/125?m16dB3km
CN-FRA2C1M12-Channel Audio Receiver 1310 nmMultimode - 62.5/125?m16dB3km
CN-FTA2C1S12-Channel Audio Transmitter 1310nmSinglemode 9/125?m 23dB48km
CN-FRA2C1S12-Channel Audio Receiver 1310nmSinglemode 9/125?m23dB48km

How to order:

Simply send us a message using the quote form or contact our team direct via the details below!