9 PIN D-SUB FEMALE at the UPS.
Pin |
Name |
Dir |
Description |
1 |
Battery Mode |
out |
This pin is shorted to PIN 5 (ground) if the mains power supply fails or is out of tolerance. (NORMALLY OPEN) |
2 |
- |
- |
- |
3 |
- |
- |
- |
4 |
- |
- |
- |
5 |
Ground |
- |
Ground terminal and common root of contacts at PIN 1, 8 and 9 |
6 |
- |
- |
- |
7 |
UPS shut-down |
IN |
If a positive signal level (+5V to +12V DC) is applied, the UPS system switches off (PIN 5 is ground) |
8 |
Battery Capacity Low |
OUT |
This pin is shorted to PIN 5 (ground) if the batteries have been discharged to such an extent that the remaining stored energy time is less than 2 minutes. (NORMALLY OPEN) |
9 |
Battery Mode |
OUT |
The connection between this pin and PIN 5 (ground) is disconnected if the main power supply fails oe is out of tolerance. (NORMALLY CLOSED) |