User's Manual

UPS pinouts and alarms
zNID 27xx Series Hardware Installation Guide
53
UPS pinouts and alarms
Figure 25: Pin out layout for the UPS connector
Table 10: Pin out descriptions for the UPS connection
Pin Signal Alarm description/Comments
1+12V UPS in
2 GND UPS return. Connected to Signal GND on ONT
3 On battery Open signal when on battery power
4 Signal return Connected to Signal GND on ONT
5 Missing battery Open signal when battery not detected
6 Replace battery Open signal when battery should be replaced
7 GND Connected to Signal GND on ONT
8 Low Battery Open signal when battery is low