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Coolgear USB-COMi-SI-M USB-to-Optical isolated RS-422/485 Industrial Adapter

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The USB-to-RS-422/485 Serial Adapter provides instant connectivity to RS-422 RS-485 communication devices for POS factory automation equipment multi-drop data collection devices bar code readers time clocks scales data entry terminals PC to PC long distance communications ATMs and serial communication in harsh environments. The USB-to-Optical isolated RS-422/485 Industrial USB to Industrial I/O provides industrial solution requiring single node or multi-drop communications over short and long distance.


  • Adds one RS-422 or RS-485 serial port by connecting to a USB port
  • 2000V DC optical isolation
  • 25KV ESD surge protection
  • No need to open chassis to set operation modes- one external DIP switch for easy RS-422 RS-485 mode settings
  • Installed as standard Windows COM port
  • SECC metal chassis with DIN rail bracket
  • RS-422 data signals: TxD- TxD+ RxD+ RxD- GND RTS- RTS+ CTS+ CTS-
  • RS-485 4-wire data signals: TxD- TxD+ RxD+ RxD-
  • RS-485 2-wire data signals: Data- Data+
  • Automatic transmit and receive control for 2-wire RS-485 half-duplex mode
  • High speed serial port with the baud rate up to 921.6K bps
  • Non-standard baudrates supported
  • LEDs of Power TxD and RxD for easy port monitoring and diagnostics
  • Powered by USB port no external power adapter required
  • Easy plug and play installation and RS-422/RS-485 device connection
  • COM port number assigned can be changed to any COM port number required
  • Works with USB 1.1 & 2.0 host port
  • Dimensions: 57mm x 76mm x 23mm (with DIN rail bracket)
  • OS Support: Windows XP 2000 2003 CE Vista Windows 7 Windows 8 and 10 Linux and Mac OS 10.X
Adds one RS-422 or RS-485 serial port by connecting to a USB port; 2000V DC optical isolation/25KV ESD surge protection


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Electrode, Comp-867409384, DC-prod-az-westus-14, ENV-prod-a, PROF-PROD, VER-34.0.0, SHA-86f71fbb59e1c557d083f9f2c45006ae21e0d287, CID-0ddb22eb-34e-17154ca66f58c7, Generated: Tue, 07 Apr 2020 13:18:03 GMT