Huawei iSiteC BTS3601C Installation Manual page 13

Installation Manual
iSiteC BTS3601C CDMA Base Station
3) Antenna support on building-top must be equipped with lightning arrester, and the
support should be connected to the building lightning-protection network.
4) The surface of the support and all the soldered parts should be covered by
anti-rust paint. All the soldered parts should be secure enough without dry joint
and open solder point.
III. Installing the support on building-top without parapet
1) Hoist the support to the building-top.
2) Determine the installation position of the antenna support on building-top
according to the antenna and feeder installation diagram in the engineering design
drawing.
3) Solder the lightning arrester on the mainstay support of the antenna (with the axes
aligned).
4) As shown in Figure 3-16, fix the base of the antenna on the building-top vertically
with eight M10%45 expansion bolts.
(1) Hexagonal M10%50 bolt
(4) Plastic foot for antenna mainstay support
Figure 3-16 Installing the antenna support base
5) Mainstay support needs to be reinforced with reinforcing arm whose length is
determined according to that of the mainstay support. As shown in Figure 3-17,
the reinforcing arm is connected to the mainstay support through its joint. Connect
the anchors to the reinforcing arm and fix the anchors of each reinforcing arm on
3 Installing RF Antenna and Feeder System
(2) Joint for reinforcing
arm
(5) Mainstay support
of the antenna
3-12
Hardware Installation
(3) M10%50 exploded expansion
bolt