Metropolitan Area Network 城域网 ; 都市网 ; 都会网路
man metropolitan area network 城域网
Wireless Metropolitan Area Network 无线城域网 ; 无线都会网路
Broadband metropolitan area network 宽带城域网 ; 宽带都会局域网络
IP broadband metropolitan area network IP宽带城域网
Metropolitan Area Network MAN 城域网
IP Metropolitan Area Network IP城域网络 ; IP城域网
The essential concepts, network structure and programming principle of metropolitan area network (MAN) are introduced briefly. And the solution for MAN construction of China Railcom is discussed.
简要介绍了城域网的基本概念、网络结构、规划原则，并针对中国铁通城域网建设论述了解决方案。
With the evolution of metropolitan transmission network and the bandwidth requirement, DWDM technology will be entered into metropolitan network area from long haul backbone network.
随着城域传输网的演变和对带宽的需求，密集波分复用技术将由长途骨干网进入城域传输网。
To counter the problems existing in the establishing of MAN (metropolitan area network), the author puts forward fiber-optic cabinet, introduce its principle functions and application in MAN.
针对目前城域网建设中存在的问题，介绍光缆交接箱的原理、功能以及在城域网建设中的应用。
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