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针对HSJ-2000D型交换机数字中继发生的障碍现象,应用交换原理分析电话的呼叫建立过程,结合数字交换机的硬件、软件、信令和网络知识,介绍了综合分析判断障碍点的方法,对程控交换机数字中继障碍查修有一定的借鉴作用.
Aiming at the hurdle phenomenon of digital trunk of HSJ-2000D switch, this paper analyzes the call establishment process based on the exchange principle, and combines the hardware, software, signaling and network knowledge of digital switch, introduces the method of comprehensive analysis of the obstacle point, Switch digital relay troubleshooting have a certain reference barrier.