connector wiring scheme
9 pin D-SUB male connector at
the UPS
|
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) |