• TRM-100

HD-SDI / RS-485 Optical Converter

Multiplex and optically convert HD-SDI and RS-485 signal to transmit long distance over a fiber-optic cable. Suited for HD surveillance camera system.

Key Features and Benefits

  • Transmission of multiplexed SDI and RS-485/422 signals over one optical fiber.
    SDI : unidirectional (TRM-100 → TRM-101
    RS-485/422 : bidirectional
  • Supports HD-SDI and SD-SDI video signals.
  • Auto detection (HD-SDI or SD-SDI, 1.485Gbps or 1.485/1.001Gbps).
  • Supports 2wire(RS-485) and 4wire(RS-422) serial control signal.
  • ON/OFF selector of termination resistor for RS-485/422.
  • Small size (3 slots size for 161UPSC).
  • Tech Data

HD-SDI / RS-485 Optical Converter

Model Control signal Wavelength Occupancy Remark
TRM-100 RS-485 1310nm 3 slots Work with TRM-101.
TRM-101 1490nm Work with TRM-100.
  • HD-SDI / RS-485 Optical Converter wiring

    Block Diagram of TRM-100 and TRM-101


Model TRM-100, TRM-101
Fiber Type Single Mode
SDI Connector 75 ohm BNC
RS-485, RS-232 Connector Dsub 9 pin
Optic I/O Connector 1 x LC
Dimensions 54 x 43.4 x 78.4 mm
Weight (approx.) 200 g



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