分组交换数据网

本文研究分组交换数据网与ISDN互连的性能分析。

Perfomance Analysis on the interworking of PSDN and ISDN is considered in the paper .

故基于TDM的PSTN话音网必将和分组交换数据网融合，形成可以传递话音和数据等综合业务的新一代网络（NextGenerationNetwork）。

The PSTN voice network based on TDM will certainly be merged with cent set commutation net , resulting in the Next Generation Network ( NGN ) capable of delivering integrated service of voice and data communication .

本文叙述了传真通信的现状和存在的问题，着重分析了在分组交换数据网（PSDN）上开通的传真通信，并引出了具有存储、转发传真报文功能的传真通信处理器（FCP）；

This paper describes the existing status and problems of our facsimile communications , and puts special stress on analysing facsimile communications over Packet Switched Data Network ( PSDN ) . A Facsimile Communication Processor ( FCP ) which has a message storage and delivery function is introduced .

公用分组交换数据网工程验收规范

Code for acceptance of public packet switched data network engineering

介绍了建设中的铁路分组交换数据网的主要原理、特征和网络的主要技术实现，分析了网络的结构，并对网络的未来发展提出了建议。

The paper introduces the principles , features and main implementing techniques of the Railway Packet Switching Data Network being constructed in China . The structure of the network is analyzed . Some suggestions for further development of the network in future are given .

建立分组交换公用数据网问题的探讨

The Research for Establishing Packet Switched Public Data Network

中国铁路分组交换数据通信网

Railway Packet - Switching Data Communications Network m China

中国公用分组交换数据通信网的特点及其应用

Features and Application of China Packet Switched Network

铁路分组交换数据通信网编号标准有关问题的说明

A Note on the Problem on Numbering Standard for Railway Packet Switching Data Communication Network

最后建议全国只建一个分组交换公用数据网。

Finally , we consider it more advisable to establish only one PSPDN in our country .

分组交换数字数据网

Packet switched digital data network

增强了程控交换系统与其他类型通信网（如传真网、分组交换或公用数据网、计算机局域网等）的接口，联接与组网能力。

Enhanced programmed exchange system with other types of communications networks ( such as fax networks , packet switching or public data networks , computer LAN ) interfaces , connectivity and network capacity .

湖北省已开通运行的数据及多媒体通信网有：分组交换网、数字数据网、CHINANET及中国公众多媒体通信网等。

The data and multimedia communication networks in service in Hubei province includes PSPDN , DDN , CHINANET and the public multimedia network .