The ICUSB232D 1 Port USB (Universal Serial Bus) to Serial Adapter lets you add an RS232 DB9 serial port to your laptop or desktop computer through USB (Universal Serial Bus), so you can connect to, monitor & control a serial device. For easy connections, the adapter features a female USB (Universal Serial Bus) type-B port, so you can choose the length of USB (Universal Serial Bus) cable needed to reach your serial device (6ft / 1.8m USB (Universal Serial Bus) A-B cable included). The USB (Universal Serial Bus) to RS232 adapter is a convenient & cost-saving solution for providing legacy serial connectivity to devices such as point-of-sale terminals, serial modems, industrial equipment & a wide variety of other RS232 peripherals. The USB (Universal Serial Bus) to serial converter is easy to install & offers broad operating system compatibility including Windows, Mac OS & Linux for easy integration into mixed environments, & offers support for transfer rates up to 128 Kbps. Backed by a Star Tech.com 2-year warranty & free lifetime technical support. The Star Tech.com Advantage Choose the cable length needed to reach your device, with the detachable USB (Universal Serial Bus) cable design Install on almost any laptop or desktop system, through broad operating system compatibility including Windows, Mac OS & Linux Portable & lightweight, the USB (Universal Serial Bus)-powered design requires no additional power adapter