“StarTech.com USB to Serial Adapter – Detachable 6 ft USB A-B Cable – Prolific PL-2303 – USB to RS232 Adapter Cable – Add an RS232 serial port to your laptop or desktop computer through USB, with a detachable USB cable – 1 Port USB to RS232 DB9 Serial Adapter with Detachable 6ft USB A to B Cable – USB to Serial Adapter – USB to RS232 Converter – USB to Serial Cable CONVERTER W/ REMOVABLE USB CABLE” has been added to your cart. View cart