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TRP-C08S  USB 2.0 to 1*RS-232 and 1*RS422/485 Isolated Converter


The TRP-C08S is one standard USB 2.0 to Serials Bridge that has one DB-9 RS232 male connectors and 4 PIN screw terminal for RS422/485. The DB-9 pin serial port is configured as a DTE (data terminal equipment) device which is same as all PC COM ports. The RS422/485 with auto configuration in data format, baud rate and RS485 data flow direction control. RS422/485 equips with 3000VDC of isolation and internal surge-protection on each data line, it gives the host computer and module itself entirely protection from destructive voltage spikes and danger of unregulated voltages input. TRP-C08S also features a high-speed 921.6 K bps transmission rate, and supports various O.S. The industry DIN rail and panel mounting design enable user a fast and professional installation.



  • USB-2.0 Device Controller

  • Allow user custom adjust baud-rates.

  • Each Port can impendent set up the baud-rate and data format. 

  • OS. system get dual port UART serial (1*RS232 and 1*RS422/485).

  • On-Chip 512-Byte FIFO for upstream and downstream data transfers for serial Port.

  • Fully PLC support such as Mitsubishi Q,FX and FATEK serial....

  • Auto direction flow control on RS-485.

  • Auto baud rate switching from 75bps to 921.6 Kbps.

  • 256 byte buffer for upstream and downstream data flow.

  • Direct power from USB port , no external power necessary.

  • 3000V DC isolated protection.

  • Surge protection on RS422/485 data lines.

  • Power and TXA/RXA/TXB/RXB communication LED indicator   .  

  • DIN rail or panel mount support.

  • Driver Support: Android/Win10/Win8.1/Vista64/32,Windows 98/ME/2000/XP/WIN 7/CE5.0~7.0 , and Linux, and Mac OS .




  • Input: USB 2.0.
  • Output: RS232 signal: Standard 9 pin DTE full-duplex.
  • RS422 signal: Differential 4 full-duplex wires (TX+, RX+, TX-, RX-)
  • RS485 signal: Differential 2 half-duplex wires (D+, D-).
  • Optical Isolation:RS422/485 3KV.
  • Data Format: Asynchronous data with any combination of bits, parity, stop
  • Parity type: None, odd, even mark, space.
  • Data bit: 5, 6, 7, 8
  • Stop bits: 1, 1.5, 2.
  • Flow Control: Xon/Xoff, Hardware, None
  • Cable: USB 2.0 type A to type B cable.
  • Communication speed:75~256Kbps. 
  • RS422/485 line protection: Against surge, short circuit,+/- 15KV ESD and voltage peak.
  • RS232 line protection: +/- 15KV ESD.
  • Distance: RS422/485 Up to 4000ft (1250M).
  • Connection type: Screw terminal for maximum AWG #12~30 wire.
  • Din-Rail mountable: Option.
  • Power consumption:130mA by USB power.  
  • RS422/485 Optical Isolation: 3000V DC.
  • Operating environment: -10 to 50J.
  • Storage temperature: -20 to 65J.
  • Dimension: 151mm X 111mm X 26mm.
  • Weight: 375g.
  • Humidity: 10-90% non-condensing.

LI-USB2.0-A/B  (Option) 1.8M USB 2.0 A to B cable

DIN-RAIL-R (Option) DIN rail mounting adapter (Option)
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