USB to RS232 Converter 1.Small volume, easy ... cell phones, digital cameras, modems and ISDN terminals. Just plug the serial device into ... , DSR, DCD, RI, GNDWorking formatAsynchronism, point to pointBaud rate300-115200bps, automatic sense serial signal rateTransmissionRS232 ... Working temperature-20 to 60Storage temperature-25 to 85HumidityRelative humidity 5% to 95%PowerInput poweredNo power ...