... port-powered converters change TD and RD RS-232 lines to RS-485/422signals.All are port ... ) Transmission RS-485 side 1200M(9600bps), RS-232 side less than 5M Port protection 600W surge protection ... , 15KV static protection Interface style RS-232 side DB-9 female, RS-485 side 5 ... powered from TXD, RTS, DTR signal in RS-232 port Consumption Static consumption less than 15mA, dynamic ...