Pinouts for serial RS-422 interface cables
Use this table to identify the signals, pin numbers, and wire colors in interface cables with serial RS-422 connectors.
| End A | Wire color | End B | Wire type | ||
|---|---|---|---|---|---|
| To the plasma power supply | To the Computer Numerical Control (CNC) | ||||
| Signal | Pin number | Pin number | Signal | ||
| TxD + | 4 | Red | 7 | RxD + | Pair |
| TxD - | 2 | Black | 3 | RxD - | |
| RxD + | 7 | White | 4 | TxD + | Pair |
| RxD - | 3 | Black | 2 | TxD - | |
| GND | 5 | Green | 5 | GND | Pair |
| – | Cut | Black | Cut | – | |