Communication optical cable is composed of a cable core and an outer sheath composed of several (core) optical fibers (generally from a few cores to several thousand cores).
Compared with traditional symmetrical copper loops and coaxial copper loops, optical fiber has much larger transmission capacity, less attenuation, long transmission distance, small size, light weight, no electromagnetic interference, and low cost. It is currently the most promising communication transmission media.
It is being widely used in signal transmission in various sectors such as telecommunications, electricity, and broadcasting, and will gradually become the main body of future communication networks.
The following introduces the analysis of the causes of failures in the use of communication optical cables? 1. Lightning Impact The armored components of optical cables are all metal conductors. If the power line is short-circuited or lightning strikes metal parts, a strong current will be generated to damage the optical cable line equipment. In severe cases, there may even be casualties. .
2. The insulation of the optical cable line is poor. If the communication optical cable line is not properly insulated, the joint box will suffer significant damage due to stress corrosion and static fatigue after water enters the joint box or is exposed to moisture. Reduce the operating intensity of the optical cable. In severe cases, the optical cable may break.
3. Influence of external forces Line failures are often caused by external forces.
Since many communication optical cable lines are laid in the wild, and the general burial standards are deep below the ground, damage to optical cable lines by many external factors cannot be effectively avoided.
4. Faults at line joints Faults are most likely to occur at line joints. This is because the optical fibers at the joints no longer have protective power for the original optical cable structure or the protective power has been significantly weakened, so daily The operation protection work can only rely on the joint box, which greatly increases the probability of failure.
