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Connect the grounding stud
Connect the grounding stud on the ODU enclosure with the ground wire.
This equipment must be grounded. Never defeat the ground conductor or
operate the equipment in the absence of a suitably installed ground
conductor. Contact the appropriate electrical inspection authority or an
electrician if you are uncertain that suitable grounding is available.
Mounting the 802.11a Halo Series Radio
The outdoor radio is usually installed on a rooftop, tower, wall, or a suitable flat
surface. For detailed mounting instructions, please refer to the Quick Installation
Guide.
Only trained and qualified personnel should be allowed to install, replace, or
service this equipment.
Properly applying the Coax-Seal adhesive tape around the RJ-45 and N-type
connector on the outdoor radio enclosure is the last step of the mounting
process.
Chapter 2. Antenna and RF Tutorial
Selecting Antenna Type
There are a vast number of antenna types designed for various general and special
purposes, but despite the huge variety, all designs essentially address two concerns,
directionality and gain. These selection criteria are discussed in the following
paragraphs, along with a third criterion, polarization.
Directionality
An antenna may be designed to receive and transmit in all directions. Such antennas
are omni-directional. An example of an omni-directional receiving antenna would be a
television antenna in a metropolitan area where each television station transmits its
signal from a different location relative to the receiver. Similarly, a centrally located
television transmitter would use an omni-directional transmitting antenna.
The sensitivity and power of an omni-directional antenna are unfocused; that is, they
are spread through a wide volume of space, so the advantage of being able to
communicate in all directions is traded off for limited sensitivity and power.
If it is determined that all signals of interest are coming from a definable direction, the
omni-directional antenna can be replaced by a directional or sectoral antenna, which
increases sensitivity and power by focusing the beam in the desired direction.