Pinouts
2-wire pinouts. Click image to enlarge/minimize
- Clear-Com
- RTS
4-wire pinouts
| Pin | To panel | To matrix |
|---|---|---|
| Pin 1 | RS-422 input + (into matrix) | RS-422 output + (from panel) |
| Pin 2 | RS-422 input – (into matrix) | RS-422 output - (from panel) |
| Pin 3 | Audio input + (into matrix) | Audio output + (from panel) |
| Pin 4 | Audio output + (from matrix) | Audio input + (into panel) |
| Pin 5 | Audio output – (from matrix) | Audio input – (into panel) |
| Pin 6 | Audio input – (into matrix) | Audio output – (from panel) |
| Pin 7 | RS-422 output + (from matrix) | RS-422 input + (into panel) |
| Pin 8 | RS-422 output – (from matrix) | RS-422 input – (into panel) |
4-wire GPIO pinouts
Click image to enlarge/minimize 
Caution: Shielded Cable Requirement
Shielded Cable is required for ALL LQ SERIES GPIO Port connectivity. Shielded Cable must be used to assure compliance with domestic and international emissions standards. Customers, Installers and or qualified Personnel failing to use shielded cables may cause radio interference in which case the user may be required to take adequate measures.