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Atlas 300 User Guide 02

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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).
Electrical Safety

Electrical Safety

This section describes safety notice about high voltage, thunderstorm, high electrical leakage, power cable, fuse, electrostatic discharge.

High Voltage

  • The high voltage power supply provides power for the device operation. Direct or indirect contact (through damp objects) with high voltage and AC mains supply can result in serious injury.
  • Non-standard and improper high voltage operations can result in fire and electric shock.


This requirement applies only to radio base stations or equipment with antennas or feeders.

Do not perform any operation, including high voltage and AC operations, on a steel tower or mast during a thunderstorm.

High Electrical Leakage

  • Ground the device before powering it on. Otherwise, high leakage currents can cause personal injury or device damage.
  • If a "high electrical leakage" tag is present on the power terminal of the device, you must ground the device before powering it on.

Power Cable

  • Do not install or remove power cables when the device is on. Transient contact between the core of the power cable and the conductor may generate electric arcs or sparks can cause fire or hurt human eyes.
  • Before installing or removing the power cable, turn off the power switch.
  • Before connecting a power cable, check that the label on the power cable is correct.


If a fuse is to be replaced, the new fuse must be of the same type and specifications.

Electrostatic Discharge

Static electricity generated by human bodies can damage electrostatic-sensitive components on boards, for example, large-scale integrated (LSI) circuits.

  • Friction between bodies, clothing, and other surfaces causes static electromagnetic fields on human bodies, which must be discharged.
  • To prevent electrostatic-sensitive components from being damaged by static electricity on human bodies, you must wear a well-grounded ESD wrist strap when handling the device, boards, or application-specific integrated circuits (ASICs).

Figure 1-1 shows how to wear an ESD wrist strap.

Figure 1-1 Wearing an ESD wrist strap
Updated: 2019-07-29

Document ID: EDOC1100079295

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