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Huawei Server Maintenance Manual 09

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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).
Inspecting the Equipment Room Environment and Cable Layout

Inspecting the Equipment Room Environment and Cable Layout

Precautions

Familiarize yourself with the security icons listed in Table 3-36 before preventive maintenance to reduce the chance of injury to yourself or damage to the equipment. These security icons will be on some server components.

Table 3-36 Security icons

Icon

Description

Indicates that removing the cover of this component can result in an electric shock. To prevent an electric shock, do not remove the cover of this component.

There are no serviceable parts inside components with this icon.

Indicates that operating this component can result in an electric shock. To prevent an electric shock, do not remove the cover of this component.

There are no serviceable parts inside components with this icon.

Indicates that this component operates at a high temperature and touching it can result in burns. To prevent burns, do not touch the component until it cools down.

Indicates a hazard. Misoperations can damage the device or cause personal injury.

Indicates that this device can cause personal injury or can fail to operate properly if it is not externally grounded. Each end of a ground cable should be connected to a different device, and the devices must be connected to ground points.

Indicates that this device can cause personal injury or can fail to operate properly if it is not internally grounded. Each end of a ground cable should be connected to different device components, and the device must be connected to a ground point.

Indicates an ESD-sensitive area, in which devices can easily be damaged. To prevent damage, do not touch devices with bare hands when operating in this area, and take ESD measures, such as wearing an ESD wrist strap or ESD gloves.

Inspecting the Equipment Room Environment

The environmental factors to inspect in an equipment room include the temperature, relative humidity, altitude, and power supply conditions. For details, see Huawei Server Inspection Report.

Inspecting Cable Layout

Visually inspect the cable layout. Obtain the customer's permission before removing or inserting cables.

To prevent any damage to the cables, take the following precautions before inspecting the cable layout:

  • Check that power cables meet the following requirements:
    • The connector surface of each three-wire power ground cable is in a good condition.
    • All power cable types are correct.
    • The insulation layer of each power cable is in a good condition.
  • Do not stretch cables.
  • Keep cables away from heat sources.
  • Do not use excessive force to install or remove a cable.
  • Install or remove a cable by holding its connectors.
  • Do not twist or tear cables.
  • Lay out and connect cables properly, and ensure that they are not in contact with any components that can be removed or replaced.

For details, see Huawei Server Inspection Report.

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Updated: 2019-02-25

Document ID: EDOC1000041338

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