... is a high performance, more function RS-485/RS-422 interface repeaters. SW485GI Can use for RS485/422 repeater ... -485, RS422 standardRS-232 signal: TX, RX, GNDRS-422 signal: T+, T-, R+, R-, GNDRS-485 signal ... no flow control is requiredTransfer distance: RS-485/422 side:3Km(9600bps) RS-232 side: no ... protectionConnector: RS-232 side DB9 female RS-485/422 side 5 bit terminal blockIsolation mode, adopt + ...