Panasonic DBS 824 User Manual

Power Failure Transfer

System Features

1-30

DBS 824-3.0/3.2-700

Revised April 2000

• A Single Line Telephone Adapter (VB-40709) is required to provide 

analog ports to the PFU.

• Up to four SLTs can be connected to one Power Failure Unit.

• If a call is in progress through the PFU when the power is restored, the call 

will be disconnected.

• For added protection against power outages, backup batteries can be 

installed in the DBS 824. Backup batteries provide full telephone service 
and system features to all DBS 824 extensions for a limited amount of 
time. 

With maximum traffic, the backup batteries last up to 40 minutes.