m menu image  m home m cart

Your header in Here


Basic RS422 Connections

Connecting two 4-wire RS422 devices is a fairly simple task. One pair of twisted wires is used for Receive, the other for Transmit.

rs422 test

Some applications use a 2-wire RS422 configuration, where a master uses one wire pair and ground to talk to multiple devices that receive only, no transmission. This RS-422 configuration for long distance and multi-drop to connect multiple listeners.