USB to RS485 / RS422 Converter

  • USB to RS 485 is an intelligent device that connects to a PC’s Universal Serial Bus (USB) port, providing a high speed asynchronous (RS 485 / RS 422) serial port to communicate with RS 485 devices. The USB 485 M Converter provides easy connectivity between the PC and the standard communication ports.
  • Users can easily add/remove this device once plugged into the USB port of computer, as this appears as COM port. The USB 485 M is provided with TxD / RxD LEDs to indicate communication status, and supports a maximum communication speed of 500 Kbps.

Features & Specifications

Serial RS 485 (2 wire) / RS 422 (4 wire)
USB USB V 1.1 & 2.0 Compatible
Serial RS 485 / RS 422 RS 485 5-pin Screw type connector
USB Type A 4 pin Plug
RS 485/RS 422
Maximum number of drivers 256
Maximum number of receivers 256
Maximum cable length(RS 485) 1220 m
Signal Isolation Provides optical isolation to signals
Power Isolation >3000 V Isolation between the RS 485/RS 422 and USB
Baud Rate 300 to 115200 Kbps
Stop Bits 7 or 8
Parity Type None, Even, Odd, Mark, Space
Supported Operating Systems Windows XP, XP – 64 bit, XP – Embedded, Vista, Visa – 64 bit, CE 4.2 / 5.0 / 6.0, Windows 7,Windows 2000, Server 2003, Server 2008, MAC OS 8 / 9, OS – X, Linux 2.4 and greater
Software Driver Plug and Play for most operating systems
Supports Full Standard RS 485/RS 422 serial interface signals
Indicators (LED)
Transmit Data (TXD) Red
Receive Data (RXD) Green
Power Input USB port powered
Dimensions (LxWxH) 51mm(L) x 43mm(W) x 21mm(H)
Weight 70g
Warranty 12 Months


  • Provides RS 485 / RS 422 Serial Interface to any PC having only USB port for connecting to Devices Supporting RS 422 / RS 485 connection.

Ordering Informaiton

Part Number Description
2750000247 USB TO RS485 CONVERTER-M

Request for Quote