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桐柏有线电视的卫星接收天线都安装在广播电视局五层楼的屋顶,闭路线除了主要街道外其它都是沿街架空,所以极易在夏季遭受雷击,因此有线电视系统的防雷工作也非常重要,根据当地特点,设计出及经济又可靠的防雷措施很有必要。通过分析本地雷电时有线电视设备的影响和危害,提出了相应的雷电预防措施。
Tongbai CATV satellite receiving antenna are installed in the five floors of the roof of the radio and television, closed circuit in addition to the main street outside the other are overhead, it is easy to be struck by lightning in the summer, so the lightning protection of cable television system is also very Important, according to local characteristics, it is necessary to design an economical and reliable lightning protection measure. By analyzing the influence and harm of CATV equipments in local thunder and lightning, corresponding lightning prevention measures are put forward.