... isolation, 1500W surge protection2. Transmit distance can reach up to 1800M at the rate of 115.2kbps3. Adopt interface atuo ... -, GNDRS-422 signalR+, R-, T+, T-, GNDWorking formatAsynchronism, point to point or multi-point, 2 line half duplex, 4 line ... block or RJ45Environment Working temperature-20 to 60 Storage temperature-25 to 85Humidity Relative humidity 5% to 95%Power Input powered5-40V external ...