StarTech.com USB Adaptor Cables - StarTech.com ICUSB232D, The ICUSB232D 1 Port USB to Serial Adaptor from StarTech.com lets you add an RS232 DB9 serial port to your laptop or desktop computer through USB, so you can connect to, monitor and control a serial device.For easy connections, the adaptor features a female USB type-B port, so you can choose the length of USB cable needed to reach your serial device (6ft/1.8m USB A-B cable included).The USB to RS232 adaptor is a convenient and cost-saving solution for providing legacy serial connectivity to devices such as point-of-sale terminals, serial modems, industrial equipment and a wide variety of other RS232 peripherals.The USB to serial converter is easy to install and offers broad operating system compatibility including Windows®, Mac OS® and Linux for easy integration into mixed environments, and offers support for transfer rates up to 128 Kbps.It is backed by a 2-year warranty and free lifetime technical support. StarTech.com ICUSB232D USB To RS-232 Serial Adapter - With Detachable USB Cable