RS422-dat
Wiring
- Y = TXD+ — B = RXD+
- Z = TXD- — A = RXD-
- B = RXD+ — Y = TXD+
- A = RXD- — Z = TXD- or
- A - Y
- B - Z
- Y - A
- Z - B
Definitions
- Y = TXD+
- Z = TXD-
- A = RXD-
- B = RXD+
https://en.wikipedia.org/wiki/RS-422 https://www.omega.com/en-us/resources/rs422-rs485-rs232