Panasonic KX-T336 System Reference Manual page 685

11 .OO Power Failure Operation
Description
At the
time
of power failure, power is supplied to
the attendant console from backup battery of the
system.
During power failure, the attendant console can
execute any other operations than the operations
below:
l
Operation using CRT display
l
Operation using function keys (Fl through
F8).
l
Operation using full keyboard.
Programming
None
Conditions
When the backup battery is not provided, the
attendant console is not operable.
Call processing is not interrupted when power is
failed and when power is restored.
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