... SW485GI/C is a basic isolated converter.The RS-422/485 side and the RS232 side ... automatic transmitCommunication Standard Accord EIA RS232, RS-485, RS-422 standardRS-232 signalTX, RX, GNDRS-485 signalD+, ... D-, GNDRS-422 signal R+, R-, T+, T-, GND Working formatAsynchronism, point to ... 24 04:50:14 RS-232 to RS485/422 converter(Industrial isolation)