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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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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).
What Precautions Should Be Taken When Using Optical Fibers?

What Precautions Should Be Taken When Using Optical Fibers?

Optical Fiber Overview

The connector type of an optical fiber is the same as the interface type of the optical module to which the optical fiber is connected. Connector types of optical fibers include LC, SC, FC, ST, MU, and MPO. LC connectors are the most widely used.

Optical fibers are classified into multimode and single-mode optical fibers:

  • Most of multimode optical fibers are orange, but a few multimode optical fibers are other colors. For example, optical fibers with MPO connectors are light green. Multimode optical fibers can be used with multimode optical modules to implement low-cost, short-distance transmission.
  • Single-mode optical fibers are yellow. They can be used with single-mode optical modules to implement long-distance transmission.

Precautions for use of Optical Fibers

  • The bend radius of optical fibers must be larger than the minimum bend radius allowed by the optical fibers. Otherwise, the optical fibers will be damaged, and quality of optical signals will degrade.
  • Do not look into an optical interface without eye protection, or the laser may hurt your eyes.
  • It is recommended that idle fiber connectors be covered with dust-proof caps to keep the fiber connectors clean. An unclean fiber connector may degrade the quality of optical signals or even cause link failures or error codes on the link.
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Updated: 2020-01-07

Document ID: EDOC1000060766

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