RS422 “4 wire serial” connector v1¶
RS422 uses standard RJ-45 ethernet connector. Pin order is selected so that cross over ethernet cable can be used.
RS422 uses RJ-45 and ethernet cable.
Only pins 1,2,3 and 6 are needed.
| pin nr | color | name | description |
|---|---|---|---|
| 1 | green/white | TX+ | Transmit data +. |
| 2 | green | TX- | Transmit data -. |
| 3 | orange/white | RX+ | Receive data +. |
| 6 | orange | RX- | Receive data -. |
RJ-45 breakout board can be used with bread board.
1.8.2021/pekka