GeoVision GV-AS2120 IP Control Panel - Manual (Page 99)

GV-AS210 / 2110 / 2120 Controller
97
4
4.2.4 Connecting Backup Battery
You can connect any 12 V battery to the controller to provide backup power when the main
power supply fails. When the main power supply is removed and the battery voltage level is
above 10.2V, the battery will support normal operation of the controller.
Power Jack
Battery
+
_
12V Battery
Black
Red
Figure 4-7