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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).
Safety Precautions for Laser Protection

Safety Precautions for Laser Protection

When installing or maintaining equipment, follow the laser safety precautions to ensure the safety of personnel and equipment.

Laser safety risks include:

  • Personal injury
  • Equipment damage

Personal Injury

The laser emitted by an optical module is an invisible infrared ray, which may cause permanent eye injury. Do not look into the optical module during device maintenance.

Equipment Damage

To prevent equipment damage when you handle the equipment, follow these precautions:

  • When not in use, the optical interfaces on the equipment and fiber connectors on fiber jumpers must be covered with dust-proof caps.
  • After removing a fiber jumper that connects to an optical interface on the equipment, cover the optical interface and the fiber jumper connector with dust-proof caps.
  • When performing a hardware loopback test by connecting a fiber jumper to an optical interface, add an attenuator to prevent the risk of damage to the optical module caused by excessively strong optical power.
  • When using the Optical Time Domain Reflectometer (OTDR), disconnect the fiber jumper between the peer equipment and the local equipment to avoid damage to the optical module caused by excessively strong optical power.
  • Unless necessary, do not remove or insert the modules connecting to fibers.
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Updated: 2019-07-17

Document ID: EDOC1100051333

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