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2.2 Installation of the PBX
Installation Manual
51
Outside Installation
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 lightning protector for an extension and CS may be different from that for CO
lines.
Installation of an Earth Rod
CS
SLT
APT
(Main Building)
CO Line
CO Line
Extn.
Extn.
Extn.: Extension Line
Earth
(Another Building)
Extn.
Extn.
Lightning Protectors
Terminal
Board
Lightning
Protector
SLT
APT
Hybrid
IP-PBX
CS
CO Line
Hybrid
IP-PBX
Grounding
Wire
Earth Rod
(Underground)
Lightning Protector
Содержание KX- TAW848
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