Installation Requirements; Installation Flow; Figure 2-27 Installing The Omnidirectional Antenna Onto The Support At The Roof - Huawei BTS3802C Installation Manual

Installation Manual – Antenna & Feeder System Installation
BTS3802C & RRU
(7)
(1) Antenna lightning rod
(4) Main supporting post

Figure 2-27 Installing the omnidirectional antenna onto the support at the roof

2.9.2 Installation Requirements

The requirements of the isolation degree and the installation interval of the
omnidirectional antennas are the same as those for installing the omnidirectional
antennas on the tower platform. For details, refer to section 2.7.2
Requirements. Besides, the following points shall also be noted:
Keep away from the defilades to avoid the signal blind area when installing
antennas.
If there is no lightening rod on the top of the antenna support, install a lightening
rod separately and make sure the distance between omnidirectional antennas
and the lightening rod shall be not less than 2.5 m. Besides, the antennas shall
be in the lightning protection coverage 30
lightning rod.
If there is lightening rod on the top of the antenna support, the distance for
hanging over the support shall be 1~1.5 m.

2.9.3 Installation Flow

The installation flow is shown in Figure 2-28.
(1)
(6)
(2) Antenna (3) Fixing clip for the omnidirectional antenna
(5) Road (6) Stiffener
2-26
Installing RF Antenna & Feeder System
(2)
(3)
(4)
(5)
(7) Roof
0
downward from the top of the
Chapter 2
Installation