UTS4009PN 4-port USB to RS-422/485 ComHUB


Key Features

  • Expands 4 (four) independent RS-422/485 serial ports through USB interface
  • Supports Universal Serial Bus Plug-n-Play and Hot-Swapping feature
  • No IRQ, DMA, I/O address resource required
  • Supports USB1.1 full speed 12Mbps and USB2.0 compatible
  • Each serial port provides transmission rate up to 921.6Kbps
  • Built-in ± 15KV ESD protection for all serial signals
  • Compact size and low power consumption
  • Each serial port owns Tx/Rx signal LED to indicate communication status
  • Supports both USB bus power and additional external power adapter modes
  • Certified by CE, FCC, RoHS, and Microsoft WQHL approval
  • Support Microsoft Windows, Linux, and Mac


The SUNIX ComHub UTS series transform your Universal Serial Bus (USB) port into asynchronous RS-422/485 serial ports for communication with serial devices.

The SUNIX UTS4009PN is compatible with both USB 2.0 and 1.1 specifications and provides serial ports with transfer speed up to 921.6Kbps. It provides a quick, simple and cost-effective way to bring the advantages of data accessibility and mobile solution for kinds of commercial and industrial automation applications.