Panasonic DBS 824 Manual page 47

Power Failure Transfer
• A Single Line Telephone Adapter (VB-40709) is required to provide
Considerations
• 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
• For added protection against power outages, backup batteries can be
1-30
analog ports to the PFU.
will be disconnected.
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.
DBS 824-3.0/3.2-700
System Features
Revised April 2000