Panasonic KX-TD500 Installation Manual page 139

2.8 Peripheral Equipment
P O
W E
R
F U
S E
O N
O F
F
4.
When one or two Expansion Shelves are installed, connect another Battery Adaptor (KX-
A46) with automobile type batteries (12V DC
to 3.
140
Backup Battery
Connector
Power Unit
2) following the same procedures from 1
Figure 113:
Installation