程控交换教材正文

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1、HD8623程控交换综合实验讲义目录第一章HD8623系统模块实验.................................................................................................1实验1交换系统组成与结构.............................................................................................1*实验2HD8623电源模块................................................

2、..................................................7实验3管理控制模块CPLD可编程器件........................................................................9实验4CPU中央系统处理器..........................................................................................12实验5用户接口模块（主被叫）实验....................................

3、.......................................14实验6程控交换状态设置...............................................................................................19实验7信令信号的产生与观测.......................................................................................22实验8双音多频（DTMF）接收与检测..............................

4、.........................................25实验9话路PCMCODEC编译码...............................................................................30实验10呼叫处理与线路信号的传输过程.......................................................................33实验11二/四线变换与回波返损测试...................................................

5、...........................36*实验12用户终端电话信号电平调整.............................................................................40第二章信令交换与信息交换..................................................................................................42实验13人工及信号交换实验.................................................

6、........................................42实验14空分交换的过程与分析.....................................................................................45实验15时分交换网络基本原理.....................................................................................51实验16数字时分复用与中继传输实验......................................

7、...................................54*实验17数字时分（T）接线器编程方法......................................................................58*实验18局内数字交换实验.................................................................