... USB1.1 or 2.0, EIA RS232 standardUSB signalVCC, DATA+, DATA-, GND, FGRS-232 signalRX, TX, RTS, CTS, ... 115200bps, automatic sense serial signal rateTransmissionRS232 side 15M, USB side less than 5MProtection600W sugre protection, 15KV static ... 232 side DB-9 maleEnvironment Working temperature-20 to 60Storage temperature-25 to 85HumidityRelative humidity 5% to 95%PowerInput poweredNo ...