Panasonic KX-TD1232NL Installation Manual page 102

2.4 Installation of Optional Cards and Unit
3.
Fasten the nylon belt to fix the battery. Fix the adaptor card by a screw (included).
Screw
4.
Connect the cord of battery to the adaptor card. Remove the backup battery connector cover
on the main unit. Then connect the cord of the adaptor card to the backup battery connector.
Backup Battery Connector
102
General Installation