Panasonic KX-TD1232 Installation Manual page 71

Outside Installation Diagram
If you install an extension outside of the main building, the following precautions are
recommended:
a) Install the extension wire underground.
b) Use a conduit to protect the wire.
CO
EXTN
Note
• The lightning protector for an extension is different from that for outside line.
Installation Manual
(Main Building)
Protectors
CO
CO
Ter-
Main
minal
Unit
Board
EXTN
EXTN
TEL TEL
(Another Building)
SLT
PT
EXTN
Lightning
Protector
Ground
General Installation
71