专线连接

DDN专线连接两个局域网接入方式的探讨

The discussion of accessing way of DDN special line interconnecting two LAN

介绍了系统的优越性、功能要求通信组网方案的选择和系统的建设，重点阐述了GPRS网络通信方式和专线连接方式的原理和先进性。

The paper introduces the system 's superiority , function , selection of communication network program and system construction . It emphasises on GPRS network communication manners and special connection principle .

讨论了ISDN在高速接入INTERNET中的应用及实现，与现有的MODEM和专线连接方法作了比较，并介绍了相应的ISDN接入INTERNET设备。

This paper deals with the application and implementation of ISDN in rapidly accessing the Internet , compares the accessing method between ISDN and those existing devices like MODEM and special circuits , and touches on the corresponding equipment used by ISDN in accessing the Internet .

现有交通信号灯控制器的安装与管理，主要是以专线连接为主。

At present the installation and management of current traffic signal lights depend heavily on special line .

首钢远程培训网是一个首钢集团开展职工教育培训的计算机网络应用系统，网络中心（北京）与集团下属各公司建设的学习中心通过专线连接。

Shougang Remote training network is a network application system of Shougang Group for education and staff training . Networking Center ( Beijing ) connects Group learning centers built by subsidiary companies through special line .

当前，传统的企业网以专线连接方式难以适应企业的现代发展，在诸多方面都不能满足企业要求。

The traditional enterprise network with specific line connection is difficult to adapt to the modern development of enterprise . Whether in the aspect of economy , flexibility , scalability , it can not meet the business requirements .

通过对TCP/IP技术体系结构的分析，对于DDN专线无路由器连接两个局域网的接入方式，实现两个局域网的互通互联，提出一种新的应用方式。

By analysis of TCP / IP technical system structure , a new accessing way is proposed . And it realized interconnection of two LAN based on the non-router accessing way .

专网由核心节点和多个一类节点组成，其间的广域网采用2M带宽的E1专线作为主线路连接。

The dedicated network consists of the core node and several Class-1 nodes , connected by wide area network using E1 dedicated transmission line with a bandwidth of 2 Megabytes .

目前，中国通过建设高速铁路、客运专线，发展城际客运轨道交通和既有线提速改造，将初步形成以高速铁路、客运专线为主干，连接全国各主要大中城市的快速客运网络。

Nowadays , with the construction of high-speed railways , passengers dedicated lines , inter-city rail transit and speed-raising of existing lines , an express passenger transportation network connecting with major cities is taking preliminary shape , in which high-speed railways and passenger dedicated lines are the backbone .