... device into the cable and the cable into the USB port. Automatic handshake is supported. No IRQs are ... .Automatic detective serial signal rate CommunicationStandardAccord USB1.1 or 2.0, EIA RS232 standardUSB signalVCC, DATA+, DATA-, GND, FGRS- ... rate300-115200bps, automatic sense serial signal rateTransmissionRS232 side 15M, USB side less than 5MProtection600W sugre protection, 15KV static electricity ...