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Installation Manual – BTS3606 Cabinet Installation
Airbridge BTS3606&3606A CDMA Base Station
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6.4 Power-on Check
Before switching on the primary power supply, use a multimeter to check the power
supplies on top of the cabinet and the grounding wiring terminals. Make sure no short
circuit exists.
The grounding resistance of BTS is less than five ohm, and the resistance is
less than ten ohm in the areas where there are less than 20 days of
thunderstorm in a year.
The outdoor grounding bar is led to the grounding grid through a reliable
private path, and the core diameter of the grounding cable is in compliance
with specifications.
The E1 cables are not routed overhead from the BTS. If it is, protection
measures are taken for the overhead cables.
The earthquake-proof, lightning protection and bearing capacity meet the
requirements for the long-term operation of the equipment.
The relevant parameters of AC power supply meet the requirements for the
long-term operation of the equipment.
There are lightning protection units for the AC power supply system, and
they are securely connected with the ground.
The ambient temperature and the relative humidity of the equipment room
meet the requirements for long-term operation of the equipment.
There are fireproof devices in the equipment room.
It is recommended the metal mechanical parts associated with BTS
equipment are grounded.
The equipment room is far away from strong electrical field, intense
magnetic field, strong electric wave and excessive heat source to meet the
requirement in electromagnetic level.
The low-voltage power cables are buried and led into the mobile
communication site.
When the power distribution transformer is in the communication site, its
grounding grid must be combined with that of the equipment room into an
integrated one.
The grounding grids of the iron tower and equipment room are combined
into an integrated one.
The working ground, the protection ground of the communication equipment
in the site, and the lightning protection ground of the building share one
group of grounding body.
Huawei Technologies Proprietary
Chapter 6 Checking Cabinet Installation
Requirement
6-6
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