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4 Port USB to RS-232/422/485 Auto Setup Adapter for Windows Linux and Mac


Quick Overview

High-speed 4 Port USB to RS-232, RS422, RS485 Serial Adapter with 128 byte FIFO memory chip. Use with newer computers where serial ports no longer exist. Through an available USB port experience speed settings of up 500.000BPS in communication. Features Auto Setup for Windows, Linux, and Mac systems.

Availability: In stock



Overview: Serial ports on USB allow further use of existing devices, even when the computer doesnt offer serial ports. The USB-4COM-PRO is extremely flexible in offered communication standards.

The high speed serial port with the 128 byte FIFO allows high speed communication, even in heavy loaded systems. Unique features reduce the system load. The serial port also allows unusual speed settings like 500.000bps.

4 Port RS232/422/485, software configurable VScom USB-2COM PRO Transfer Speed up to 921.6kbps RS232, up to 3Mbps RS422/RS485

  • Metal case
  • DIN-Rail mountable
  • RS232/422/485 DB9 male port
  • Terminal block
  • Speed up to 3000kbps
  • External power supply


  • Serial interface: RS232/422/485 selected by software
  • Ports: 4
  • Speed: up to 921.6kbps RS232, up to 3Mbps RS422/RS485
  • Available Modes: RS232 full duplex
  • RS422 full duplex
  • RS485 4 wire, full duplex
  • RS485 2 wire, half duplex, with echo
  • RS485 2 wire, half duplex, without echo
  • Signals: RS232 TxD, RxD, RTS/CTS, DTR, DSR, DCD, RI, GND
  • RS422 Tx+/-, Rx+/-, GND
  • RS485 2 wire Data+/-, GND
  • RS485 4 wire Tx+/-, Rx+/-, GND
  • USB Interface: USB 2.0
  • Power: External power supply 5V DC
  • Driver: Windows 98, ME, 2000, XP, 2003 Server, Vista
  • Linux (Kernel 2.4 and up built-in)
  • Connectors: 4 DB9 male
  • Dimensions: 172 x 95 x 29 mm (W x L x H) 184 x 99 x 29 mm with DB9 connector and ears

Additional Information

UPC 729440691981
Manufacturer USBGear
Length No
Color Silver
OS Support No

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