
Chapter 1 Installing the Companion system 35
Business Communications Manager Companion Configuration Guide
Installing antennas (Canada)
There are three types of external antennas available in Canada:
• indoor directional antenna (“Installing an indoor directional antenna” on page 36)
• indoor omnidirectional antenna (“Installing an indoor omnidirectional antenna (Canada)” on
page 37)
• outdoor omnidirectional antenna (“Installing an outdoor omnidirectional antenna (Canada)”
on page 38).
Each type of installation requires a specific installation technique. As well, you must install a
lightning surge protector for every outdoor antenna installed (“Installing a lightning surge
protector (Canada)” on page 40).
Outdoor requirements
Before you install the antenna, ensure that your plan meets the following requirements:
• If you are installing an outdoor antenna on a metal surface greater than 18 cm (7 in.) in
diameter, position the antenna perpendicular to the surface.
• When running the coaxial cable inside or outside, be careful not to damage the cable, which
affects its performance. The minimum recommended bending radius is 20 mm (0.8 in.).
• Always ensure that the antenna is clear of any adjacent obstruction or metal objects. If you use
more than one outdoor antenna at a cell center, separate the antennas at by least 0.5 m (20 in.)
to avoid radio interference problems.
• Use RG-58/U coaxial cables to connect the antennas to the base stations.
CAUTION: Use only passive antennas to connect to the Companion base stations.
The coaxial cable you use to connect the external antenna to a Companion base station must have
an impedance of 50 ohms.
Comentarios a estos manuales