TRP-C08E  USB to 2 RS232 and 2 RS-422/485 Industrial Converter


TRP-C08E can be stable running in the industrial environment.
It provides USB port protection when it detected unusual currents.
TRP-C08E provides RS422/485 line surge protection.
TRP-C08E can be easy to use, users have no worries about setting the serial data format and RS485 flow control, and how to wire RS422/485, everything is auto-detectable.


  • USB-2.0 device controller.
  • Allow user custom adjust baud-rates.
  • Each Port can impendent set up the baud-rate and data format.
  • On-Chip 512-Byte FIFO for upstream and downstream data transfers for serial Port.
  • System gets four serial port when the converter plug in.
  • Auto switching RS422/485 detecting.
  • Auto direction flow control on RS485.
  • Auto baud rate switching from 300bps to 256 Kbps.
  • Direct power from USB port , no need external power supply.
  • Surge protection on RS422/485 data line.
  • Power and TXA/RXA/TXB/RXB communication LED indicator
  • Din-Rail (option)or panel mount Driver support:
  • Driver Support: Android,Windows 2000/WIN 7/WIN10/WIN11 , and Linux 4.1 and Embedded Linux 5.5.


  • Input: USB 2.0 protocol.
  • RS232 output: Standard 9 pin DTE full-duplex.
  • RS422 output: Differential 4 full-duplex wires (TX+, RX+, TX-, RX-)
  • RS485 output: 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
  • Stop bits: 1, 1.5, 2.
  • Cable: USB 2.0 type A to type B cable.
  • Communication speed: form 300bps to 256Kbps.
  • RS-422/485 line protection: Against surge, short circuit,+/- 15KV ESD and voltage peak.
  • RS-232 line protection: +/- 15KV ESD.
  • Distance: RS-422/485 Up to 4000ft (1250M).
  • Connection type: Screw terminal for maximum AWG #12~30 wire.
  • DIN rail and panel mount support.
  • Two power input: USB power.
  • Power consumption: 260mA by USB power.
  • Operating environment: 0 to 65℃.
  • Storage temperature: -20 to 65℃.
  • Dimension: 151mm X 75mm X 26mm.
  • Weight: 395g.
  • 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