StarTech.com 1 Port USB to Serial RS232 Adapter - USB to DB9 Serial Converter
StarTech.com 1 Port USB to Serial RS232 Adapter - USB to DB9
Add an RS232 serial port to your laptop or desktop computer through USB 1 Port USB to RS232 Serial Adapter Cable MM USB to Serial Converter Windows 8 USB to Serial Port 921.6 Kbps USB