ZXCBTS (V5.4) CDMA Micro Base Transceiver Station & Remote Station Installation Manual
6-4
PGND
terminal of
the cabinet
Fig. 6.2-2 Connection of Power Cable and PGND Cable at the Bottom of a Cabinet
6.2.3 Installing Feeder Cable Grounding Kit
Caution:
It is prohibited to install the grounding kit in thunderstorm weather; otherwise,
the installation personnel might be hurt.
When installing the grounding kit, be sure to keep the feeder cable at the joint
straight.
6.2.3.1 Grounding Principles of Primary Feeder Cable
1. Generally, each primary feeder cable should be grounded at least three times for
lightning protection, that is, on the tower platform, between the tower and the
outdoor cabling rack, and on the wall before the feeder cable is led into the
equipment room. If the primary feeder cable is more than 60 meters long, a
lightning grounding kit should be installed every 20 meters.
2. The antenna feeder system, antenna mount and newly-installed cabling rack
should all be welded to the lightning protection net of the building. The feeder
cable should also be grounded at three points, that is, on the antenna pole, on the
rooftop, and on the wall before the feeder cable is led into the equipment room.
3. Before leading the primary feeder cable along the outdoor cabling ladder from
the top of the building to the equipment room, check whether the cabling ladder
is grounded. If not, request the network operator to accomplish it as soon as
possible.
