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, ... sugre protection, 15KV static electricity protectionConnectorUSB side type A interface female, RS-232 side DB-9 maleEnvironment Working temperature ... Date:2012-04-24 04:56:33 USB to RS232 Converter