USB to RS232 Converter 1.Small volume, easy installation 2.No power ... serial signal rate CommunicationStandardAccord USB1.1 or 2.0, EIA RS232 standardUSB signalVCC, DATA+, DATA-, GND, FGRS-232 signalRX, ... DB-9 maleEnvironment Working temperature-20 to 60Storage temperature-25 to 85HumidityRelative humidity 5% to 95%PowerInput poweredNo power supply needed ... :2012-04-24 04:56:33 USB to RS232 Converter