SIIG’s USB to serial adapter cable is designed to instantly add an additional RS-232 9-pin serial port to your computer via an available USB port. The USB to Serial adapter supports RS-232 serial data transfer rates up to 500Kb/s and draws power directly from USB bus for low power consumption. It is the perfect solution for connecting additional RS-232 serial devices such as modems, ISDN terminal adapters, PDAs, bar code scanners, label printers, and many more.