Panasonic KX-HTS824 - Page 56

Installation
Trunk Trunk
Ground
Surge
Protector
Trunk
Extn.
Extn.
Extn.: Extension line
PBX
SLT
Frame
Ground
Terminal
Board
Outside Installation
Extn.
Trunk
Surge Protector
Trunk
Terminal
Board
Surge
Protector
PBX
(Main Building)
Extn.
Extn.
Extn.
SLT
(Another Building)
SLT
Extn.: Extension Line
Ground
If you install an extension outside of the building, the following precautions are recommended:
a. Install the extension wire underground.
b. Use a conduit to protect the wire.
Note
The surge protector for an extension is different from that for trunks.
3.2.9 Surge Protector Installation
56 Getting Started