The optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic outer skin. There is no metal such as gold, silver, copper and aluminum in the 光缆.
光线电缆的基本结构通常由电缆芯组成, 加固钢丝, 填充物和护套, ETC. 此外, 有防水层, 缓冲层, insulated metal wire and other components as needed.
集成接线项目是一个相对复杂的项目, so it is impossible to ensure zero faults in the construction of the project. 然而, it is relatively easy to minimize the faults and mistakes. There are four major reasons for the failure of fiber optic cable lines.
The Impact of Lightning
光线电缆的装甲组件都是金属导体. If the power line is short-circuited or the lightning strikes the metal parts, a strong current will be generated to damage the optical cable line equipment. And even serious casualties will occur.
The Insulation of the Optical Cable Is Not Good
If the optical cable line is not well insulated, the operating strength of the optical cable will be greatly reduced due to stress corrosion and static fatigue. After the splice box enters the water or is wet, 并且光线电缆将在严重的情况下破裂.
The Influence of External Forces
Line faults are often caused by external forces. Since many optical cable lines are laid in the field, the general burial standard is deep below the stratum. So the damage of many external factors to the optical cable line cannot be effectively avoided
线连接器的故障
故障最有可能在线接头发生. This is because the optical fibers at the joints no longer have the protection power to the original optical cable structure or the protection power has been significantly weakened. 因此，每日操作和保护工作只能通过依靠关节箱进行. 失败的可能性大大增加.
Optical fiber cable is a new generation of transmission medium. Compared with copper medium, optical fiber has greatly improved in terms of security, reliability and network performance. 此外, the bandwidth of optical fiber transmission greatly exceeds that of copper cables. And about the maximum connection distance, it supports is more than two kilometer. And it is an inevitable choice for building larger-scale networks. Because the fiber optic cable has the advantages of good electromagnetic interference resistance, strong confidentiality, fast speed, and larger transmission capacity. Its price is also relatively expensive, and it is rarely used in household occasions.
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