![](/images/new-backgrounds/1298677/298677115x1.webp)
3.2 Installation of the PBX
Connecting Backup Batteries
1.Turn off the battery switch on the PSU.
2.Connect the
Battery Switch
Battery Connector
Fuse
Red | Black |
Backup Batteries (VRLA 12 V DC x 3)
58
3.2 Installation of the PBX
1.Turn off the battery switch on the PSU.
2.Connect the
Battery Switch
Battery Connector
Fuse
Red | Black |
Backup Batteries (VRLA 12 V DC x 3)
58