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StarTech.com USB to Serial Adapter - Prolific PL-2303 - COM Port Retention - USB to RS232 Adapter Cable - USB Serial

The ICUSB232PRO 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention offers a professional grade solution for connecting legacy or industrial RS232 serial devices to a laptop or desktop computer through USB - eliminating the expense of upgrading serial peripherals for compatibility.

A time-saving and convenient USB/Serial solution, the adapter retains assigned serial COM port values in nonvolatile memory, allowing the same values to automatically be assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.

A versatile connectivity solution that bridges legacy serial peripheral devices with newer USB-capable computers, the USB to Serial adapter offers broad operating system compatibility including Windows®, Linux and Mac OS, for easy integration into mixed environments.

Backed by a StarTech.com 2-year warranty and free lifetime technical support.

More from the Manufacturer


  • Supports remote wake up and power management control
  • Supports automatic handshake mode
  • Provides dual buffers for upstream and downstream data transfer
  • Powered by an available USB port - no external power adapter required
  • COM Port assignments maintained across reboot
  • Supports data transfer rates of up to 920kpbs
  • USB to Straight-Through RS232 Serial Adapter

SKU: ETDICUSB232PRO