.E1技术白皮书关键词:PCM,非成帧,成帧,成复帧,时隙,TDM,V.35,G.703摘 要:本文介绍了E1/CE1链路技术原理与实际应用。缩略语:缩略语英文全名中文解释PCMPulse-Code Modulation脉冲编码调制CCITTInternational Telephone And Telegraph Consultative Committee国际电报电话咨询委员会PSTNPublic Switched Telephone Network公共交换电话网络TDMTime-Division Multiplexing 时分复用技术 DDNDigital Data Network数字数据网ISDNIntegrated Services Digital Network综合业务数字网SDHSynchronous Digital Hierarchy同步数字系列PDHPlesiochronous Digital Hier