Panasonic KX-TA624 Installation Manual page 52

2.4.4 Installing a 3 CO Line and 8 EXT Expansion Card (KX-
TA62477) and 8 Extension Expansion Card (KX-TA62470)
3 CO Line and 8 EXT Expansion Card Installation (KX-TA62477)
8 Extension Expansion Card Installation (KX-TA62470)
Installing the KX-TA62477
2-28 Installation
To add three outside (CO) lines (outside (CO) lines 4 through 6)
and eight extensions (JACK 09 through 16), use an optional 3 CO
Line and 8 EXT Expansion card (KX-TA62477).
To add eight extensions (JACK 17 through 24), use an optional
8 Extension Expansion card (KX-TA62470).
This card can be installed directly to the system or to the
KX-TA62477.
1. Power off the system, and unplug the AC cord.
2. Loosen the screws and open the top and bottom front covers.
3. Remove the lower front panel with pliers as shown below.
Lower front panel
Cut the six areas marked with a circle.