The communications standard "DMX512" covers digital multiplexed signals. It is the most common communications standard used by lighting and related stage equipment. DMX512 provides up to 512 control "channels" per data link. Each of these channels was originally intended to control lamp dimmer levels. You can think of it as 512 sliders on a lighting console, connected to 512 light bulbs.
Pinout
Pin 1: Shield (ground)
Pin 2: Primary Data Complement (-)
Pin 3: Primary Data True (+)
Pin 4: Optional Secondary Data Complement (-)
Pin 5: Optional Secondary Data 2 True (+)
We use DMX 120 ohm Digital 2 Pair Shielded 24 Awg Cable.