psdn

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

本文研究分组交换数据网与ISDN互连的性能分析。

Opening POS Service over PSDN

在分组网上开放POS业务

Research on the Interworking of PSDN and ISDN

分组网与ISDN互连的研究

In order for all kinds of no-packet facsimile terminals to communicate one another over PSDN . a Facsimile Packet Assembly / Disassembly system ( FAX-PAD ) is described .

为使非分组的各类传真终端能在分组交换网上进行通信，又引出了传真装（配）拆（卸）系统（FAX-PAD）。

25 protocol and its application in CHINA , then Summarizes the progress of X. 25 synchronous communication controller . At last , a key device for microcomputers to jon PSDN - a high-performance intelligent X.

介绍X25协议及其在中国的应用情况，对X.25同步通信控制器的发展进行了总结和分析，给出一种微机加入公用数据网关键设备&高性能的智能X.25同步通信控制设备的设计。

Several possible interworking schemes are presented based on the comparison of PSDN and ISDN . Performance analysis and technical problems such as interwork layer selection , numbering plan , traffic control , error control , signaling transformation and gateway architecture has been discussed in the paper .

在对两种网比较的基础上，文中提出了几种可能的互连方案，并讨论了互连层选择、号码制度互通、流量控制、差错控制、信令转换、信关结构等技术问题和性能分析问题。

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 .

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）；