StarTech.com ICUSB232PRO interface card and adapter

Add an RS-232 serial port to your desktop or laptop computer via USB - features COM port retention

The ICUSB232PRO 1ft USB to DB9 RS232 Serial Adapter Cable with COM retention provides a professional-grade solution for connecting legacy or industrial RS232 serial devices to a desktop or laptop computer via 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 non-volatile memory, allowing the same values to be automatically reassigned 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.

StarTech 1ft (0.3m) USB to RS232 Serial Adapter Cable with COM Retention - USB-A to DB9 Serial Adapter up to 920kbps - 1x DB9 Male - 1x USB A Male (ICUSB232PRO)

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