| Pin | Description | 
|---|---|
| 1 | Common/Negative | 
| 2 | External inverter shutdown, positive side | 
| 3 | line fail, normaly open contact | 
| 4 | return/external inverter shutdown negative side | 
| 5 | line fail, normaly closed contact | 
| 6 | low battery, positive side (2 minute warning) | 
| Pin | Description | 
|---|---|
| 1 | Common/Negative | 
| 2 | External inverter shutdown, positive side | 
| 3 | line fail, normaly open contact | 
| 4 | return/external inverter shutdown negative side | 
| 5 | line fail, normaly closed contact | 
| 6 | low battery, positive side (2 minute warning) |