StarTech.com USB C to Serial Adapter Cable with COM Port Retention, 16" (40cm) USB Type-C to RS232 DB9 Converter Cable, Windows-Mac-Linux
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StarTech.com USB C to Serial Adapter Cable with COM Port Retention, 16" (40cm) USB Type-C to RS232 DB9 Converter Cable, Windows-Mac-Linux

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$ 33.23
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This USB-C™ to serial adapter lets you connect your USB-C devices to your legacy serial equipment. It converts a USB-C port on your laptop or computer into an RS232 DB9 serial port with COM port retention. This gives you a cost-saving and convenient way to connect to serial devices such as point-of-sale terminals, serial modems, industrial equipment, and a wide variety of other RS232 peripherals.

Connect with ease

The RS232 adapter cable is compatible with Windows®, macOS and Linux® operating systems, which makes it easy to integrate into mixed environments.

Built-in convenience

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 re-assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.

The USB-C serial cable also supports advanced features like remote wake-up and power management control.

The ICUSB232PROC is backed by a StarTech.com 2-year warranty and free lifetime technical support.


  • USB-C TO SERIAL ADAPTER CABLE: Interface with Serial RS-232 (DB9) equipment using this USB Type-C Serial adapter converter cable w/ COM port retention; Male DB9 connector features screw-lock nuts; Cable length of 16"" [40 cm]
  • TECH SPECS: 921.6 Kbps baud
  • 512 byte FIFO
  • Data bits of 5/6/7/8 and stop bits 1/1.5/2
  • Parity Modes of None, Xon/Xoff, RTS/CTS, DTR/DSR
  • Flow control options Odd/Even/Mark/Space/None

This USB-C™ to serial adapter lets you connect your USB-C devices to your legacy serial equipment. It converts a USB-C port on your laptop or computer into an RS232 DB9 serial port with COM port retention. This gives you a cost-saving and convenient way to connect to serial devices such as point-of-sale terminals, serial modems, industrial equipment, and a wide variety of other RS232 peripherals.

Connect with ease

The RS232 adapter cable is compatible with Windows®, macOS and Linux® operating systems, which makes it easy to integrate into mixed environments.

Built-in convenience

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 re-assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.

The USB-C serial cable also supports advanced features like remote wake-up and power management control.

The ICUSB232PROC is backed by a StarTech.com 2-year warranty and free lifetime technical support.


  • USB-C TO SERIAL ADAPTER CABLE: Interface with Serial RS-232 (DB9) equipment using this USB Type-C Serial adapter converter cable w/ COM port retention; Male DB9 connector features screw-lock nuts; Cable length of 16"" [40 cm]
  • TECH SPECS: 921.6 Kbps baud
  • 512 byte FIFO
  • Data bits of 5/6/7/8 and stop bits 1/1.5/2
  • Parity Modes of None, Xon/Xoff, RTS/CTS, DTR/DSR
  • Flow control options Odd/Even/Mark/Space/None