... isolation converter, plug and play, high performance, lower price RS232 to RS485 serial converter is our top-of-the-line converters with both ... . No power is drawn from the host RS-232 port. LEDs indicate data traffic. Model485P is a basic isolated converter. The RS ... -485, RS-422 standardRS-232 signalTX, RX, GNDRS-485 signalD+, D-, GNDRS-422 signalR+, R-, T+, T-, GNDWorking formatAsynchronism, point ...