Zte ZXC10-BTSB I2, Руководство по установке

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6-1
6 Installing the Grounding System
Summary
This part describes:
● Installation method of the BTS grounding system;
● Installation procedure of the BTS grounding system.
6.1 Overview of the BTS Grounding System
The purpose of grounding is to ensure the safety of human body and equipment and to
improve the capability of the equipment to resist electromagnetic interference.
The grounding system consists of indoor part, outdoor part and underground ground
grid of the building.
As to the engineering, the user is responsible for the basic ground grid construction of
the grounding system, the grounding engineering of the iron tower and the building,
and the provision of the connecting point for the indoor and the outdoor grounding
copper bars to connect the ground grid via separate 50mm
2
wires, as shown in Fig.
6.1-1.
The wire of the indoor rack PGND (protection ground) is connected to the indoor
grounding copper bar, as shown in Fig. 6.1-1.
The wire of the BTS rack –48VGND (working ground) is connected to the working
ground terminal of the BTS DC power rack.
To ground the lightning arrester, connect it to the outdoor grounding copper bar with a
wire. And to ground the feeder, connect each feeder to the outdoor grounding copper
bar through a grounding clip before it enters the equipment room, as shown in Fig.
6.1-1.
This section describes the grounding of the BTS equipment and the installation of the
grounding device accessories required for the BTS installation. It covers the