Appendix A Indoor Cabinet Grounding System Connection; Overview; Central Office Cabinet Grounding - Zte ZXA10 C300 Installation Manual

Appendix A
Indoor Cabinet Grounding
System Connection
Table of Contents
Ÿ Overview ................................................................................................................ A-1
Ÿ Central Office Cabinet Grounding ........................................................................... A-1
A.1 Overview
Grounding ensures secure running and protection for the system. Grounding provides
the equipment with the capability of anti-electromagnetic interference, preventing the
equipment from damage caused by lightning.
Before connecting the cabinet to the grounding network, make sure the following items are
ready:
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The equipment room lightning protection devices are available.
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The equipment room grounding devices are installed.
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Tools for cable installation are in place.
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All the grounding cables and inter-cabinet cables are placed according to the layout
of the indoor cabinet.
A.2 Central Office Cabinet Grounding
This topic includes the following:
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Central Office Cabinet Grounding

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Remote Office Cabinet Grounding
A.2.1 Central Office Cabinet Grounding
There are two types for connecting the central office cabinet to the grounding network:
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Type 1
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Type 2
Type 1
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Cabinet grounding
1. Connect the GNDP, -48 VGND, GND, and cabinet grounding cables from the
busbar to the horizontal grounding bar.
SJ-20110909101511-005|2011-12-31 (R1.1)
A-1
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