4-Port Industrial USB 2.0 to RS-232 / 422 / 485 Serial TB Adapter w/ Optical Isolation & Surge Protection

RS-232 | RS-422 | RS-485 | 2,000 Bytes Receive | 2,000 Bytes Transmit

  • Superior Build Quality: Housed in a rugged steel chassis with built in mountable flanges, the serial adapter hub is perfect for installations in labs, warehouses, or heavy machinery.
  • Safe Industrial Connections: Designed for use with Bar Code Scanners, Time Clocks, Label Printers, Point of Sale Terminals, Receipt Printers, and more the USB to Serial Adapter offers 3KV optical Isolation, 15KV ESD protection & 600W surge protection.
  • Effortless Port Configuration: The adapter is designed with external dip switches to set RS-232, RS-422 or RS-485 ports and different operation modes conveniently.
  • COM Retention: COM Ports are fully configurable, and after reboots, port assignments are preserved.
  • Power: Power is drawn from the included 12V / 1A power adapter.
  • Upstream: 1 USB port, Type B Female Connector
  • Downstream: 4 5-pin Screw Lock Terminal Blocks
  • LEDs: Power, TX / RX


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Model No. USB2-4COMi-SI-TB