
Chapter 1 Installing the Companion system 39
Business Communications Manager Companion Configuration Guide
7 Insert the plastic plug into the base of the cover to keep moisture out.
8 Feed the coaxial cable through the wall to the surge protector on the interior wall.
Installing a lightning surge protector (Canada)
Install the lightning surge protector for the outdoor omnidirectional external antenna to protect it
from electrical surges. The recommended lightning surge protector is part number A0382082.
Refer to the installation instructions from the manufacturer for more details on its installation. To
install a lightning surge protector, follow these steps:
1 Install the surge protector on the interior wall as close as possible to the entry point of the
coaxial cable from the outdoor antenna.
The following figure shows where to locate the surge protector. Follow the installation
instructions provided with the surge protector.
Figure 17 Install the lightning surge protector (Canada)
2 Attach the ground lead to an approved ground, before you connect the ground lead to the surge
protector.
The recommended wire gauge is 6 AWG (4 mm). Connect the ground lead to the building
ground. Do not connect to a ground rod or series of ground rods. If you cannot connect the
ground lead to the building ground, connect the ground lead to the metal frame of the building.
The connection must be no more than 2 m (6.5 ft.) to 3 m (10 ft.) long.
Exterior
Wall
Interior
Wall
Copper plates
Surge protector
Co-axial cable to
Base Station
Low impedance
ground lead
Cable clamps
Co-axial cable
to outdoor
external antenna
Exterior wall
Interior wall
Copper plates
Surge protector
Co-axial cable
to base station
Cable clamps
Low impedance
ground lead
Co-axial cable to
outdoor external
antenna
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