Understanding connector pin-outs is essential for ensuring compatibility and safety in professional lighting and AV setups. This FAQ page specifies various connector types used in AC Americas products, including power, data, and hybrid connectors. Whether you’re troubleshooting a connection issue or preparing for an installation, this guide offers quick reference visuals and technical clarity to support your workflow.
5 pin XLR for DMX 512
| Pin 1 |
ground (screen) |
| Pin 2 |
data complement (negative inverted) conductor (usually black) |
| Pin 3 |
data true (positive non inverted) conductor (usually white) |
| Pin 4 |
spare data complement (negative inverted) conductor (usually green) |
| Pin 5 |
spare data true (positive non inverted) conductor (usually red) |
3 pin XLR for DMX 512
| Pin 1 |
ground (screen) |
| Pin 2 |
data complement (negative inverted) conductor (usually black) |
| Pin 3 |
data true (positive non inverted) conductor (usually white) |
3 pin XLR for High End Systems Protocol
| Pin 1 |
shield |
| Pin 2 |
data complement (negative) |
| Pin 3 |
data true (positive) |
3 pin XLR for Martin Professional Protocol (pre MAC 600)
| Pin 1 |
ground (screen) |
| Pin 2 |
data true (positive) |
| Pin 3 |
data complement (negative) |
3 pin XLR for Martin Professional Protocol (MAC 600 and later products)
| Pin 1 |
ground (screen) |
| Pin 2 |
data complement (negative) |
| Pin 3 |
data true (positive) |
| Recent Martin Professional fixtures are fitted with a set of jumpers on the main PCB that allow you to reconfigure the pinout of the data connectors. Please consult your user manual |
5 pin DIN for MIDI
| Pin 1 |
not connected |
| Pin 2 |
ground – in / out / through |
| Pin 3 |
not connected |
| Pin 4 |
positive non inverting – in / out / through |
| Pin 5 |
negative inverting – in / out / through |
4 pin XLR for Chroma-Q Color Changers
| Connector |
metal tab (ground) – drain wire |
| Pin 1 |
0 Volts (power) conductor, thick (usually white) |
| Pin 2 |
data true (positive non inverted) conductor (usually red) |
| Pin 3 |
data complement (negative inverted) conductor (usually green) |
| Pin 4 |
24 Volts (power) conductor, thick (usually black) |
19 pin Socapex for Lighting
| Pin 1 |
Circuit 1 Live |
| Pin 2 |
Circuit 1 Neutral |
| Pin 3 |
Circuit 2 Live |
| Pin 4 |
Circuit 2 Neutral |
| Pin 5 |
Circuit 3 Live |
| Pin 6 |
Circuit 3 Neutral |
| Pin 7 |
Circuit 4 Live |
| Pin 8 |
Circuit 4 Neutral |
| Pin 9 |
Circuit 5 Live |
| Pin 10 |
Circuit 5 Neutral |
| Pin 11 |
Circuit 6 Live |
| Pin 12 |
Circuit 6 Neutral |
| Pin 13 |
Circuit 1 Earth |
| Pin 14 |
Circuit 2 Earth |
| Pin 15 |
Circuit 3 Earth |
| Pin 16 |
Circuit 4 Earth |
| Pin 17 |
Circuit 5 Earth |
| Pin 18 |
Circuit 6 Earth |
| Pin 19 |
not connected |
37 pin Socapex for Lighting Control
| Pin 1 – 30 |
Control circuit 1 to 30 |
| Pin 31 – 34 |
Control circuit tie lines used on older Avolites control desks |
| Pin 35 – 37 |
Control circuit ground |
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