What are the causes of communication fiber optic cable line failure?

I. What are the reasons for the failure of communication fiber optic cable lines?1: the impact of lightning fiber optic cable armored components are metal conductors, if the power line produces a short circuit or lightning strikes the metal parts of the time, will produce a strong current to destroy the fiber optic cable lines and equipment, and in severe cases, there will be casualties.2: the insulation of fiber optic cable lines is poor communication fiber optic cable lines, if you don't have a good insulation, then the cable will be broken in severe cases. After the joint box into the water or in the case of moisture will be due to stress corrosion and static fatigue and other reasons greatly reduce the operating strength of the fiber optic cable, serious cases will occur when the fiber optic cable breaks. 3: the influence of external line failure in many cases is affected by the influence of external forces and produce. As many communications cable lines are laid in the field, the general standard of burial are deep below the ground, so can not effectively avoid the destruction of many external factors on the cable line. 4: line joints failure in the line joints where the most prone to failure, this is because the joints of the optical fiber on the original cable structure does not have the power to protect or protection has been significantly weakened, so daily operation Protection work can only rely on the connector box, which leads to a significant increase in the chances of failure.

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