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HUAWEI NIP6800 Series V500 Hardware Guide

This document of the NIP6800 Series describes hardware structure, installation guide, and hardware maintenance. The content of this document includes the appearance and specifications of the product, the supported expansion cards, preparation before the installation, installation, cabling, and hardware replacement.
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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).
Dust Requirements

Dust Requirements

The dust accumulated on the device may cause electrostatic force, resulting in poor contact for metal connectors or metal connection points. Electrostatic force not only affects the device's life span, but also easily causes faults on the device.

The equipment room is free from explosive, conductive, magnetism-permeable, and corrosive dust. Table 4-11 describes requirements on dust concentration in the equipment room.
Table 4-11  Requirements on dust concentration in the equipment room

Mechanical active material



Dust particle

Particle /m3


(no visible dust accumulated on the workbench in three days)


Dust particle diameter ≥ 5 µm

Suspended dust



Precipitable dust







  • Suspended dust diameter ≤ 75 µm
  • 75 µm ≤ precipitable dust diameter ≤ 150 µm
  • 150 µm ≤ sand diameter ≤ 1000 µm
To meet the preceding dust concentration requirements, take the following measures:
  • Use dustproof materials during ground, wall, and ceiling construction.
  • Install screens on doors and windows facing outside. Outer windows should be dust-proof.
  • Clean the equipment room regularly and clean the air filter monthly.
  • Put on shoe covers and ESD clothes before entering the equipment room.
Updated: 2019-01-04

Document ID: EDOC1100059253

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