2-port USB to RS232 serial adapter.
Startech Usb To Serial Adapter Prolific Pl-2303 Com Port Retention Usb To Rs232
StarTech USB To Serial / RS232 / DB9 / DB25
StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac
StarTech.com 3ft (91cm) 1-Port USB to Serial Cable, DB9/DB25 RS232 to USB Converter, Prolific, USB to Serial Adapter
StarTech.com 3ft (1m) USB to Serial Cable with COM Port Retention DB9 Male RS232 to USB Converter USB to Serial Adapter for PLC/Printer/Scanner Pro
