| Pin # | Signal Type |
| 1 | N/A |
| 2 | AC Failure (Contact Closure) |
| 3 | N/A |
| 4 | Common |
| 5 | Battery Low (Contact Closure) |
| 6 | Rx (RS232) and Turn Off UPS (Contact Closure) |
| 7 | Common |
| 8 | N/A |
| 9 | Tx (RS232) |
| Pin # | Signal Type |
| 1 | N/A |
| 2 | AC Failure (Contact Closure) |
| 3 | N/A |
| 4 | Common |
| 5 | Battery Low (Contact Closure) |
| 6 | Rx (RS232) and Turn Off UPS (Contact Closure) |
| 7 | Common |
| 8 | N/A |
| 9 | Tx (RS232) |