RS232 This “High Speed” USB serial adapter supports data rates up to 230 k Twice the speed of a standard PC serial port. It is 100% USB compliant and features simple“Plug and Play”installation (no IRQs). Ideal for laptops, weighing around 3 oz. The adapter draws its power from the USB connection so no power adapter is required. Plug the USB connector of the cable into the USB port of your PC and the other end into the device. Simply plug the cable in under windows operating system, and it’s automatically detected. The USB serial adapter provides instant connectivity with modems, ISDN Tas, PDA’s, Handheld & Pocket PCs, Digital cameras, POS, Serial printers, etc. It is suitable for remote access, retail and industrial applications, data collection and other applications requiring a high or low speed serial communications port.