connector wiring scheme
9 pin D-SUB male connector at the UPS
Pin# |
Function |
1 |
Low Battery (Optocoupler Collector: +V) |
2 |
UPS TxD |
3 |
UPS RxD |
4 |
Remote ShutDown (+5..12VDC, 10 mA max); on battery operation |
5 |
Common |
6 |
Remote ShutDown (Short to pin 5); any mode operation |
7 |
Low Batery (Optocoupler Emitter: -V) |
8 |
Utility/Mains Fail (Optocoupler Emitter: -V) |
9 |
Utility/Mains Fail (Optocoupler Collector: +V) |
Notes
- Maximum voltage and current on pins 1,7,8,9 shall be 80 VDC, 10.0 mA max