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 A.C. 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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