Harris20-20型程控数字交换机中继故障分析

电力行政程控数字交换专网对于电力系统生产和运营的重要性是不言而喻的。文章针对电力系统行政语音交换通信专网所使用的Harris20—20型程控数字交换机中继的典型故障进行了举例分析，根据网络中的拓扑关系判断故障点，并提出了一些解决措施，以保证网络的高可靠性和稳定性，同时对运维人员具有一定的指导作用。

Analysis about removing the common faults of Harris20 -20 exchange trunk lines

The private voice switching network is playing an important role in daily electric power production, operation and management. Being aimed at typical faults of Harris20 20 digital exchanger trunk used in power system administrative private voice switching network, the paper gives some analyses, distinguishes the fault point according to the network topologic relationship and puts forward some resolving scheme to ensure the high reliability and stability of network, it can provide the directive function to operation and maintenance staffs.