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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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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Connecting the Ground Cable

Connecting the Ground Cable

Context

  • The ground cable of a router must be correctly connected to protect the router against lightning and interference.
  • Do not power on the router before you finish connecting cables.

Tools and Accessories

  • Phillips screwdriver
  • ESD wrist strap
  • Multimeter
  • Ground cable
  • M6 screws (separately purchased)

Procedure

  1. Wear an ESD wrist strap. Ensure that the ESD wrist strap is grounded and in a close contact with your wrist.
  2. Connect the ground cable.
    1. Use a Phillips screwdriver to remove the M4 screw from the ground point on the rear panel of the router. Keep the M4 screw in an appropriate place for later use.
    2. Align the M4 lug of the ground cable with the tapped hole on the ground point, and then secure the ground cable with the M4 screw, Tighten the M4 screw with a torque of 1.4 N•m.
    3. Connect the M6 lug of the ground cable to a ground point on the desk, wall, or cabinet where the router is installed, Tighten the M6 screw with a torque of 4.8 N•m.



Follow-up Procedure

Perform the following operations after connecting the ground cable:

  • Check that the ground cable is securely connected to the ground points.
  • Use a multimeter to measure the resistance between the ground points at two ends of the ground cable. The resistance must be smaller than 5 ohm.
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Updated: 2019-05-17

Document ID: EDOC1000039117

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