【摘要】 作者在该文中，简要分析了ＩＳＤＮ（ＤＳＳ１）信令分析仪中２Ｂ＋Ｄ接口监测硬件部分的功能结构、工作原理及设计思想，并重点阐述了ＴＥ和ＮＴ仿真模块的硬件设计与实现。更多还原

【Abstract】 This paper briefly analyzes the counterpart, working principle and the designing ways of ISDN(DSS1) signalling analyzer of 2B+D hardware interface and its monitoring and testing function, and focuss on the hardware design along with its implementation of NT and TE simulate modules.更多还原