StarTech.com 3.3ft (1m) USB to Serial Adapter Cable COM Retention Interchangeable Screws/Nuts USB-A to DB9 RS232 FTDI IC ESD Pro

Add an RS232 serial port to a laptop or desktop using an available USB-A portAdd RS-232 serial communication support to USB-A enabled Data Terminal Equipment (DTE - e.g. desktop or laptop) using this 3.3ft (1m) straight through USB to Serial Adapter Cable.Serial Port ExpansionThe USB Serial Adapter adds an RS-232 serial DB/DE-9 (male) connector to a desktop or laptop via a USB Type-A port. Secure the adapter to a serial device using pre-installed and removable slotted D-Sub thumbscrews or install the included DB-9 Nuts for compatibility with other serial peripheral devices