光缆对地绝缘的查找及修复河北省长途电信传输局阎庆合刘大智马英革光缆绝缘不良，对光纤通信系统的影响主要是：光缆、接头盒进潮或渗水后由于应力腐蚀、静态疲劳等原因造成光缆强度降低甚至断裂，以及氢氧根、过度金属离子等使吸收损耗增大、涂覆层剥离强度降低．另外，... Fiber optic cable to find and repair insulation Long Distance Telecommunications Transmission Bureau of Hebei Province Yan Dahe Liu Dazhi Ma Yingge optical fiber insulation poor, the main impact on the optical fiber communication system: optical cable, connector box into the tide or water seepage due to stress corrosion, static fatigue and other causes of cable The strength is reduced or even broken, and the absorption loss is increased due to hydroxide, excessive metal ions and the like, and the peel strength of the coating layer is reduced. In addition, ...