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FusionServer Pro XH321 V5 Server Node V100R005 Maintenance and Service Guide 07

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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).
Environmental Specifications

Environmental Specifications

Table 3-2 Environmental specifications




  • Operating temperature: 5°C to 35°C (41°F to 95°F) (ASHRAE Class A2 compliant)
  • Storage temperature: –40°C to +65°C (–40°F to +149°F)
  • Long-term storage temperature: 21°C to 27°C (69.8°F to 80.6°F)
  • Maximum temperature change rate: 20°C/h (36°F/h)
  • If a single fan is faulty:
    • The highest operating temperature supported is 30°C (86°F).
    • If the power consumption of the processor is 125 W or higher, the system performance may be affected or a temperature alarm may be generated.
  • The highest operating temperature varies depending on the configuration. For details, see Operating Temperature Limitations.

Relative humidity (RH, non-condensing)

  • Operating humidity: 8% to 90%
  • Storage humidity: 5% to 95%
  • Long-term storage humidity: 30% to 69%
  • Maximum change rate: 20%/h


  • Operating altitude ≤ 3050 m (10006.44 ft)

    When the server configuration complies with ASHRAE Class A2 standards and the altitude is above 900 m (2952.76 ft), the highest operating temperature decreases by 1°C (1.8°F) for every increase of 300 m (984.24 ft).

  • HDDs cannot be used at an altitude of over 3000 m (9842.4 ft).
  • Titanium PSUs are required for the altitude higher than 3000 m (9842.4 ft).

Corrosive gaseous contaminant

Maximum corrosion product thickness growth rate:

  • Copper corrosion rate test: 300 Å/month (meeting level G1 requirements of the ANSI/ISA-71.04-2013 standard on gaseous corrosion)
  • Silver corrosion rate test: 200 Å/month

Particle contaminant

  • The equipment room environment meets the requirements of ISO 14664-1 Class 8.
  • There is no explosive, conductive, magnetic, or corrosive dust in the equipment room.

It is recommended that the particulate pollutants in the equipment room be monitored by a professional organization.

Updated: 2019-12-25

Document ID: EDOC1000183891

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