| Pin Number | Pin Name | Description | 
|---|---|---|
| 1 | ||
| 2 | AC Failure (+) | |
| 3 | ||
| 4 | Common (-) | |
| 5 | Battery Low (+) | |
| 6 | Turn Off UPS (+) | Works when on-Battery only. Delayed for one second. | 
| 7 | Common (-) | |
| 8 | ||
| 9 | 
The polarity of signals is essential.
| Pin Number | Pin Name | Description | 
|---|---|---|
| 1 | ||
| 2 | AC Failure (+) | |
| 3 | ||
| 4 | Common (-) | |
| 5 | Battery Low (+) | |
| 6 | Turn Off UPS (+) | Works when on-Battery only. Delayed for one second. | 
| 7 | Common (-) | |
| 8 | ||
| 9 | 
The polarity of signals is essential.