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Preparing for Installation
Overview of the Outdoor Installation
2-10 Avaya Outdoor Antenna Installation Guide
If any significant part of this zone is obstructed, a portion of the radio energy will
be lost, resulting in reduced performance. Reduced performance may also occur
when obstacles that are close to the antenna beam cause signal reflections or
noise that interfere with the radio signal.
Figure 2-3 shows some typical examples of obstacles that you must avoid for
the Directional Antenna to operate effectively:
a. Neighboring Buildings
b. Trees or other obstructions
c. Power lines
To allow optimal performance you will need to ensure that the type and
placement of the antennas leaves sufficient clearance of the Fresnel Zone at the
maximum width of the bulge, typically at the mid-point between the antennas.
For more information turn to Chapter 3 “Determine Range & Clearance”.
Figure 2-3 Potential Obstacles for a Directional Antenna