城市轨道交通电话交换系统“公专合一”与“公专分离”应用探讨

摘要

介绍城市轨道交通电话交换系统的组成及功能,对实现电话交换系统的＂公专合一＂和＂公专分离＂模式进行了分析比较,并对应用情况进行了阐述,提出了＂公专合一＂是城市轨道交通电话交换系统发展的方向,但要根据现场实际情况对＂公专合一＂方案进行合理规划的观点。%The urban transit is a complex system.The article describes the composition and functions of the telephone exchange system for urban rail transit,both integrated exchange system of public and special or separated public and special telephone exchange system have been analyzed and compared.The application is elaborated and integrated public and special exchange systems is the direction of development of urban rail transit telephone exchange system,however the point of view for specific context in-situ shall be accorded to the actual situation of rational planning of the program.