FRM-220 media converter serial to fiber

frm-220 serial media converter
  • Transmits asynchronous data over fiber to from 2 to 120 km
  • Adjustable interfaces: RS-232 and RS-485
  • Data rates up to 256 Kbps (RS-232)  and 1 Mbps (RS-485)
  • RS-232 adjustable for data or data plus handshake transmission
  • Supports remote in-band management, IP Based Web GUI, Telnet, SNMP over NMC-Card in 19 ” Rack

With FRM-200 serial media converters, asynchronous data terminals with speeds of up to 1 Mbps and different interfaces (RS-232, RS-485) via fiber.

If the FRM-220 serial is used with the 19″ rack and a network management card, the devices must be monitored and configured locally or remotely via SNMP or in-band management.

The devices are available in different housings and for further distances.

Please contact us – we are happy to advise us!


  • Single module in DIN rail housing

Serial Interfaces

  • 6 Pin screw / plug connection
  • RS-232 data
  • RS-232 – Data + RTS/CTS
  • RS-485 2-wire
  • Data rate: RS-485: up to bis 1.024 Kbps, RS-232: up to 256 Kbps
  • Standard EIA/TIA RS-485, RS-232

Power Supply

  • 12VDC: < 4W
  • Module: 12 VDC
  • top-hat rail assembly
  • Desktop unit: 230 VAC/ 24 VDC/ 48 VDC


The transmission of my personal data is voluntary. I have the opportunity to withdraw my data at any time. My data is stored exclusively for the purpose of processing my request. A passing on to third does not take place.