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Hardware Installation and Maintenance Guide

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600

This section provides brief procedure for installing the AR series routers. This document describes preparations before AR series routers installation, installation methods and precautions, AR series routers maintenance, and common methods for troubleshooting typical hardware module faults.
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Specifications for Laying Out Grounding Cables

Specifications for Laying Out Grounding Cables

Table 7-25 shows the specifications for the ground cable.
Table 7-25  Specifications for laying out ground cables

No.

Description

1

The grounding wire should not run parallel to or twist around the signal cable.

2

Bury ground underground or arrange them indoors. Do not route ground cables overhead.

3

Do not connect two cables together to extend the PGND cable, or add any switches or fuses.

4

The PGND cable should be an alternating yellow and green plastic insulated one with a copper core.

5

The neutral line of the AC power cable cannot be connected to the protective ground of transmission and communication equipment in the equipment room.

6

A PGND cable should be as short as possible, with a length of no more than 45 m (147.64 ft).

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Updated: 2019-05-17

Document ID: EDOC1000039117

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