rs232 isolator, Port-powered, lowest consumption, Auto sense serial signal rate, Isolation serial device ... is 10m, stable performance. Features1.Plug and play2.Port-powered, lowest consumption3.Auto sense serial signal rate4.Isolation serial device ... 85HumidityRelative humidity 5% to 95%PowerInput poweredNo power supply needed, powered from TXD, RTS, DTR signal in RS-232 portConsumptionStatic ...