USB to RS232 Converter 1.Small volume, easy installation 2.No ... It provides an external plug-and-play port for convenient connection of cell phones, digital cameras, modems and ISDN terminals ... serial signal rate CommunicationStandardAccord USB1.1 or 2.0, EIA RS232 standardUSB signalVCC, DATA+, DATA-, GND, FGRS-232 signalRX, ... Date:2012-04-24 04:56:33 USB to RS232 Converter