Nortel Networks BCM1000 - Manual (Page 214)

214 Chapter 12 Installing the Companion system
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To install an outdoor omnidirectional external antenna, follow these steps:
1 Screw the antenna mounting plate vertically to the exterior wall of the building with lag bolts
or other appropriate hardware.
Figure 83 shows how to fasten the mounting plate.
Figure 83 Install the outdoor omnidirectional external antenna (Canada)
2 Feed one end of the coaxial cable up through the bottom of the antenna cover and attach the
BNC connector to the base of the mast.
Caution: Fit lightning protection to the antenna if appropriate.
See “Installing a lightning surge protector (Canada)” on page 215 for more information.
Important points to remember:
• Do not install the external antenna or the lightning surge protector during an electrical
storm.
• Always turn off the base station power before connecting the coaxial cable of an
outdoor antenna.
• Always install the antenna at the cable entry point into the building.
• Connect the lightning surge protector to ground before connecting the coaxial cable.
Plastic plug
Connector
at the base of
the mast
Shroud
Mast
Co-axial cable to
surge protector on
interior wall
Set screw
Cable ties
Exterior wall
mounting plate
Lag bolts or other
appropriate mounting
hardware
Mast
Set screw
Exterior wall
mounting plate
Lag bolts (or
appropriate
mounting hardware
Connector at
the base of
the mast
Shroud
Plastic plug
Cable ties
Co-axial cable to
surge protector on
interior wall