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FusionStorage OBS 7.0 Hardware Installation Guide 06

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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).


It is recommended that devices be installed in Huawei cabinets.


A Huawei cabinet complies with International Electrotechnical Commission (IEC) 60297-1 and is an assembled cabinet for ease of expansion. The distance between front and rear mounting bars in the cabinet can be adjusted in increments of 25 mm. The Huawei cabinet has the following functions:

  • Provides space for accommodating components that can be interconnected.
  • Is equipped with castors to facilitate movement on a flat floor or a surface whose gradient is less than or equal to 10 degrees.
  • Protects components from dust.
  • Prevents components from being damaged.


The exterior of a Huawei cabinet is in sand texture black. Figure 14-68 shows a Huawei cabinet.

Figure 14-68 Exterior of a Huawei cabinet

Physical Structure

The Huawei cabinet consists of the racks, front door, rear door, side panels, cover, and mounting bars, as shown in Figure 14-69.

Figure 14-69 Cabinet structure




Rear door


Side panel


Mounting bar




Front door

ESD Jack

The Huawei cabinet provides two electrostatic discharge (ESD) jacks. When installing or maintaining a Huawei cabinet, wear an ESD wrist strap and insert the connector end of the ESD wrist strap into an ESD jack, as shown in Figure 14-70.

Figure 14-70 ESD jack

Technical Specifications

Table 14-42 lists the technical specifications of a Huawei cabinet.

Table 14-42 Technical specifications of a Huawei cabinet



Dimensions (H x W x D)

2000 mm x 600 mm x 1200 mm


42 U of internal space (1 U = 44.45 mm)


  • 120 kg (with only the front and rear doors)
  • 170 kg (with front doors, rear doors, guide rails, and cables)

Cabling mode

Overhead and underfloor cabling

Installation mode

Fastening installation and non-fastening installation

The two modes are applicable both to the concrete ground and ESD floor.


High-intensity G-A quality carbon cold-rolled steel plates and galvanized sheets that comply with Restriction of the Use of Certain Hazardous Substances (RoHS) and Underwriter Laboratories (UL)

Heat dissipation

Perforated doors, front-to-rear cooling, and underfloor air intake

Operating temperature

  • Long term: 0°C to 50°C
  • Short term: –5°C to +50°C

Operating humidity

  • Long term: 5% RH to 85% RH
  • Short term: 5% RH to 95% RH
  • The operating temperature and humidity are measured 1.5 m above the ground and 0.4 m in front of the cabinet.
  • The short term is defined as no more than 48 consecutive hours and 15 accumulative days per year.
Updated: 2019-07-17

Document ID: EDOC1100051333

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