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USB 2.0 to 2*RS232 and Isolated 1*RS232 1*RS485/422 Conv.

USB converter to serial RS232 and RS422 / RS485 mixed and isolated.


  • USB 2.0 to 2*RS232 and isolated 1*RS232 and isolated 1*RS422/485 external converter module in metal case
  • for monitor or backup in one module
  • MOS chip MCS7840
  • FIFO 512Byte per serial port
  • connector: male DB9 (RS232 side) and USB B-type connector
  • LED control per channel
  • power requirement 5VDC 400mA USB bus powered
  • 90*150*27mm
  • Rayon


  • Width: 90 mm
  • Height: 150 mm
  • Depth: 27 mm
  • Manufacturer: Rayon
  • Country of Origin: Taiwan R.O.C.
  • Customs code: 8473 3020 000

Data Sheets




  • TB485
    DB9 Female to RS485 terminal screw block kit