DMX-512 is the stage lighting control protocol carried on XLR 5-pin connectors with RS-485 signaling at 250 kbps supporting 512 channels per universe.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground shield | GND |
| 2 | Data- | DMX data negative | BUS |
| 3 | Data+ | DMX data positive | BUS |
| 4 | Reserved | Not used | I/O |
| 5 | Reserved | Not used | I/O |