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TRP-C08   USB to RS-232/422/485 Isolated Converter. (Version:2.1)


The TRP-C08 allows you to connect your serial devices to systems by using a USB interface. With auto configuration in data format, baud rate and RS-485 data flow direction control. TRP-C08 is able to automatically configure RS-232, RS-422 or RS-485 signals to baud rate without external switch setting. TRP-C08 is equipped with 3000V DC of isolation and internal surge-protection on each data lines to protect the host computer and converter against high voltage spikes, as well as ground potential difference. TRP-C08 also features a high-speed 256 Kb/s transmission rate, and supports various O.S. The industry DIN rail and panel mounting design enable user a fast and professional installation.



  • Full compliance with the USB V1.0 and 2.0 specification.

  • System gets 1 COM port when the converter is connected.

  • Auto data format detecting.

  • Auto direction flow control on RS-485.

  • Programmable baud rate from 75 bps to 6 Mbps

  • RS232/422/485 Support 3KV isolation

  • 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/TX/RX mode LED indicator.  

  • DIN rail or panel mount support.

  • Driver support: Android/Windows 8/8.1/ 98/ME/2000/XP/CE3.0/WIN 10, and Linux, and Mac OS.

  • Fully compatible with SCB-C08.




  • USB interface: Fully compliant with V1.0, 2.0 specification.

  • USB to serial bridge controller; Prolific PL2303TA (TRP-C08 Version:2.1).

  • RS-232 signal: 5 full-duplex (TXD, RXD, CTS, RTS, GND).

  • RS-422 signal: Differential 4 full-duplex wires (TX+, RX+, TX-, RX-).

  • RS-485 signal: Differential 2 half-duplex wires (D+, D-).

  • Data Format: Asynchronous data with all common combination of bits, parity, stop.

  • Parity type: None, odd, even mark, space.

  • Data bit: 5, 6, 7, 8 or 16.

  • Stop bits: 1, 1.5, 2.

  • Cable: USB type A to type B.

  • Communication speed: 75~128KBbps.

  • RS-422/485 line protection: Against surge, short circuit, and voltage peak.

  • Transmission distance: RS-422/485 Up to 4000ft (1200M ).

  • Connection type: Screw terminal accepts AWG #12~30 wires.

  • Signal LED: Power on, TX, RX.

  • Direct power from USB port.

  • Power consumption: 1.2W.

  • Isolation voltage: 3000V DC.

  • Operating environment: -10 to 50 .

  • Storage temperature: -20 to 70.

  • Humidity: 10-90% Non-condensing.

  • Dimension: 151mm X 75mm X 26mm .

  • Weight: 375g .

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

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