User's Manual

Table Of Contents
Installing the AU-ODU
BreezeMAX Modular Base Station System Manual 33
2.1.2 Guidelines for Positioning the AU-ODU
This section provides key guidelines for selecting the optimal installation locations
for the AU-ODU and its antenna.
Select the optimal locations for the equipment using the following guidelines:
The ODU can be either pole or wall mounted. Its location should enable easy
access to the unit for installation and testing.
The higher the placement of the antenna, the better the achievable link
quality.
The antenna should be installed so as to provide coverage to all Subscriber
Units within its service area.
The ODU should be installed as close as possible to the antenna.
2.1.3 IF Cables
The AU-ODU is connected to the AU-IDU (or to the ODU Power Feeder) via an IF
cable carrying both signals and power. The maximum permitted attenuation of
the IF cable at applicable frequencies, its screening effectiveness and its
CAUTION
ONLY experienced installation professionals who are familiar with local building and safety codes
and, wherever applicable, are licensed by the appropriate government regulatory authorities should
install outdoor units and antennas.
Failure to do so may void the BreezeMAX product warranty and may expose the end user or
Service Provider to legal and financial liabilities. Alvarion and its resellers or distributors are not
liable for injury, damage or regulation violations associated with the installation of Outdoor Units or
antennas.
NOTE
The recommended minimum distance between any two antennas in neighboring sectors is 0.5
meters.
The minimum distance between any two antenna in the same sector (space diversity configuration)
is 1.3 meters.
NOTE
An “H” kit for installation of up to 4 ODUs and 4 antennas that serve a single sector is optionally
available from Alvarion. Refer to the detailed BreezeMAX TDD Base Station Installation &
Maintenance Manual for information on installing the “H” accessory.