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Comnet : FDX4DM1B


  • Available with FC or ST Optical connectors
  • Supports RS232, RS422, and 2 or 4-wire RS485 with tristate data interfaces
  • Four bi-directional data channels
  • Tested and certified by an Independent laboratory for full compliance with the environmental requirements (ambient operating temperature, mechanical shock, vibration, humidity with condensation, high-line/low-line voltage conditions and transient voltage protection) of NEMA TS-1/TS-2 and the Caltrans Specification for Traffic Signal Control Equipment.
  • Voltage translent protection on all power and signal input/output lines provides unconditional protection from power surges and other voltage translent events.
  • Robust design ensures extremely high reliability in unconditioned out-of-plant environments.
  • Bi-color (Red/Green) LED status Indicators provide rapid Indication of critical operating parameters
  • Hot-swappable rack modules
  • Interchangeable between stand-alone or rack mount use – ComFit
  • Lifetime Warranty
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Product Description

The ComNet FDX4D(M,S)1 Series data transceiver series provide transmission of four bi-directional data channels over one optical fiber and are ideal for use in unconditioned roadside or out-of-plant installations. The data channels can be set independently for RS232, RS422 and 2 or 4-wire RS485 with tri-state support. Plug-and-play design ensures ease of installation and no electrical or optical adjustments are ever required. Bi-color (Red/Green) LED indicators are provided for rapidly ascertaining equipment operating status. These units are interchangeable between stand-alone or card mount configurations.

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