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光缆护套中的皱纹钢带与大地之间电阻的大小,可充分反映光缆外护套的完整性,也直接反映光缆线路的可靠与安全程度。光缆护套对地绝缘自动监测系统通过光缆破损查找故障,及时发现,及早维护,使维护由被动的“事后抢修”变为“事前预知”的维护方式。
The size of the resistance between the corrugated steel strip in the cable sheath and the ground can fully reflect the integrity of the outer sheath of the optical fiber cable and also directly reflects the reliability and safety of the optical fiber cable. Fiber optic cable insulation to the ground automatic monitoring system to find fault through cable damage, timely detection, early maintenance, maintenance by the passive “emergency repair ” into “beforehand predict ” maintenance mode.