USB2 to 8-Port RS232-422-485 Serial TB Adapter Isolation | Surge

Optical Isolation and Surge Protection for RS-232/422/485 Ports

The USB2-8COMi-SI-TB is a USB 2 to 8-port industrial serial adapter that protects you device(s) with optical Isolation, 15KV ESD protection and 600W surge protection over each port. It is designed to make RS-422 and RS-485 serial port expansion quick and simple through its terminal block connection. Our series of Industrial USB 2.0 to terminal block serial adapters supports RS-232, RS-422, and RS485 electrical protection per port and are designed with the user in mind.

  • Supports 15KV ESD protection and 600W surge protection for all 8 serial signals
  • Uses FTDI FT4232H USB 2.0 to quad UART chip
  • Incorporates DIP switch control over each individual port.
  • Per port protection from ESD and Surge Protection.


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Model No. USB2-8COMi-SI-TB