... RX, GNDRS-485 signalD+, D-, GNDRS-422 signalR+, R-, T+, T-, GNDWorking formatAsynchronism, point to point or multi ... (115200bps), RS-232 side less than 5MPort protection1500W surge protection, 15KV static electricity protectionIsolation2500VConnectorRS-232 side DB-9 female ... than 70mA, dynamic average consumption less than 200mADimension L*W*H120mm*33mm*16.5mmShellIronColor White Weight200g RS232 to ...