User Manual

CHAPTER 2. Installation
2-70 © SAMSUNG Electronics Co., Ltd.
2.6 Antenna Construction
2.6.1 Installing Antenna
The antenna should be installed after the clamp is fixed. The methods of fixing the antenna
according to the antenna types are as follows:
Omni Antenna
The omni antenna should be installed in order to be maintained with ±1°vertically.
Sector Antenna
The direction of the sector antenna should be adjusted in order to be maintained within
±3°for each sector.
The number of antennas according to the antenna types is as follows:
Table 2.3 Number of Antennas According to the Antenna Types
Antenna Type Number of Antennas
Omni 2/office
2 types Sector
Mono: 2/sector Dual: 1/sector
GPS 1~2/office
Take the following cautions when installing an antenna:
y Do not scratch or change the form of an antenna because an antenna is sensitive.
y Use proper device when moving an antenna. The weight of the rated device should
exceed 200 % of that of the antenna considering safety.
y Protect the antenna from impact.
y Do not connect a feeder or antenna when raining.
y The metal to be used for connecting an antenna should be coated with fused zinc.
y Adjust the direction of an antenna and fix the antenna.
y The distances between an iron tower and an antenna and between Rx antenna and Tx
antenna should follow the antenna posting standard.
y Install an antenna on the spot according to the drawing.
y Fix an antenna on the front panel or corner of the iron tower.
y Fix an antenna on the center of an iron tower that can support the weight of the
antenna.
y Install an antenna considering radiation direction in order not to change antenna
characteristics.
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