概述了计算机网络设备防雷器的工作原理及安装时应注意的问题。
This paper discussesion the principle of computer network anti—Thunder equipment and the cationary problems when installing.
介绍高速公路通信系统电源防雷器设置方法，及通信系统电源防雷器件在选择和安装中的注意事项。
The paper introduces the setting up methods for thunder preventer for power source of communication system on freeway.
监测各直流馈电输出的电压、电流，各馈电输出开关状态、熔断器状态和防雷器状态，当发生异常情况时发出声光报警；
Monitor every feed-voltage and feed-current of DC output, every output state of switch, and state of fuse and lightning arrester. Under abnormal condition, monitor produces aural and visual alarm.
本文主要针对雷电和操作过电压所引起瞬间过电压对电子设备系统的损坏，来探讨加装电源防雷器时采用四模块和3 +1模块时性能比较和分析。
Aiming at mangling of electron equipment due to transient over voltage from thunder and operation between 4 and 3 + 1 source defend thunder equipments is discussed.
本文主要针对雷电和操作过电压所引起瞬间过电压对电子设备系统的损坏，来探讨加装电源防雷器时采用四模块和3 +1模块时性能比较和分析。
Aiming at mangling of electron equipment due to transient over voltage from thunder and operation between 4 and 3 + 1 source defend thunder equipments is discussed.
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