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一、X.25数据通信规程概述X.25数据通信规程是国际电信联盟的建议标准,它用分组格式传输和交换数据的规程,定义了数据终端设备(DTE)和数据电路终端接收设备(DCE)之间的接口标准。数据通过基于分组网络交换技术的X.25协议被分组,并在分组交换网上进行传输。X.25网络设备
I. Overview of X.25 Data Communication Procedures The X.25 Data Communication Protocol is a proposed standard of the International Telecommunication Union, which uses a packet format for the transmission and exchange of data. It defines the DTE and DCE ) Interface between the standard. Data is packetized over the X.25 protocol, which is based on the packet network switching technology, and transmitted over packet-switched networks. X.25 network equipment