Panasonic KX-TD500 Installation Manual page 253

4.10.3 Power Failure Transfer 4.10.3 Power Failure Transfer
Power Failure Transfer connects specific telephones (any SLT and a certain type of APT) to pre-
determined CO lines in the event of system power failure.
1 -24 (24 pairs)
Value Range
Parameter
(default)
Trunk Card XXX : YYY
XXX : Card No
YYY : Card Type
Extension Card XXX : YYY
XXX : Card No
YYY : Card Type
4-114 System Programming
Specifies the trunk card number and its type, which will
be used in case of Power Failure Transfer.
(101-314)
(Blank)
Specifies the extension card number and its type, which
will be used in case of Power Failure Transfer.
(101-314)
[Note]
(Blank) • DPTs cannot be used during a power failure.
Description/Function Reference