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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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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).
Checking the Running Conditions

Checking the Running Conditions

A router can work properly only after the following conditions are met.

No.

Check Item

Criteria and Remarks

Result

1

Position of the router

The router should be placed steadily in a flat position in a ventilated and dry environment, and be kept away from sunlight and heating devices. No sundries exist around the router.

□ Satisfied

□ Unsatisfied

□ Not involved

2

Ambient temperature in the equipment room

The ambient temperature in the equipment room should range from 0°C to 40°C.

□ Satisfied

□ Unsatisfied

□ Not involved

3

Ambient humidity

The ambient humidity in the equipment room should range from 5% RH to 90% RH.

□ Satisfied

□ Unsatisfied

□ Not involved

4

Air conditioner in the equipment room

The air conditioner keeps running steadily so that the temperature and humidity in the equipment room is within an acceptable range.

□ Satisfied

□ Unsatisfied

□ Not involved

5

Cleaning

  • If the air filter is covered by dust, clean or replace it in time; otherwise, the heat dissipation in the chassis is affected.
  • No obvious dust exists.
  • Effective rodent-proof measures are taken to keep small animals such as cockroaches outside.

□ Satisfied

□ Unsatisfied

□ Not involved

6

Grounding and the grounding resistance

  • The working grounding, protection grounding, and lightning protection grounding should be deployed separately in the equipment room. Joint grounding can be used if the equipment room is under limited conditions.
  • When the ground cable is connected to the ground bar, the grounding resistance is less than 5 ohms.
  • When the ground cable is connected to the grounding electrode, the grounding resistance is less than 10 ohms.
  • If devices cannot be grounded, connect ground cables to ensure the same voltage among devices.

□ Satisfied

□ Unsatisfied

□ Not involved

7

Connection to power supply

The power cable should be correctly and fixedly connected to the specified position of the switch. The power supply indicator on the switch should be always on (green).

Check whether the power outlet is reliable and passes China Compulsory Certification (CCC).

□ Satisfied

□ Unsatisfied

□ Not involved

8

Power supply system

The power supply system should run stably. The DC voltage should range from -48 V DC to -60 V DC. The rated input AC voltage is 100 V to 240 V (single-phase) or 173 V to 415 V (three-phase). The input AC voltage range is 90 V to 290 V (single-phase) or 156 V to 457 V (three-phase).

□ Satisfied

□ Unsatisfied

□ Not involved

9

Acid and alkali status

No metal, PCB, or connector is corroded or rusty.

□ Satisfied

□ Unsatisfied

□ Not involved

10

Lightning protection status

  • No serial cable is routed in outdoor areas.
  • No Ethernet cable is routed in outdoor areas.

□ Satisfied

□ Unsatisfied

□ Not involved

11

Installation specifications compliance

  • Filler panels are installed in slots without interface cards. Screws used to secure interface cards, filler panels, and cables are tightened.
  • Insulation layers of cables are kept away from high-temperature objects.
  • Cables are neatly sorted and bound to prevent incorrect installation and removal. Power cables and signal cables cannot be bound together.
  • Protective plugs are installed on unused optical interfaces.

□ Satisfied

□ Unsatisfied

□ Not involved

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Updated: 2019-05-10

Document ID: EDOC1000079719

Views: 450522

Downloads: 4307

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