DMX512 (USITT DMX512-A) is the professional lighting control protocol using a 5-pin XLR connector for daisy-chaining up to 512 channels of 8-bit control data from lighting consoles to dimmers, LEDs, and moving lights.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Shield and common ground | GND |
| 2 | DATA- | DMX data negative RS-485 | BUS |
| 3 | DATA+ | DMX data positive RS-485 | BUS |
| 4 | NC | Reserved for second universe negative | I/O |
| 5 | NC | Reserved for second universe positive | I/O |
DMX512 (USITT DMX512-A) is the professional lighting control protocol using a 5-pin XLR connector for daisy-chaining up to 512 channels of 8-bit control data from lighting consoles to dimmers, LEDs, and moving lights.