过去CAT V光缆网光设备价格昂贵，故设计的光接收点较少。
In the past, CATV optical cable networks were costliness due to the price of optical equipment, the designer design optical receiver point little.
设备供应商称，广域以太网的成本只有同步光缆网的五分之一或者A TM的十分之一。
Equipment vendors are saying Ethernet in the wide area may have as little as one-fifth the cost of SONET and one-tenth the cost of ATM.
本文讨论了大容量光缆网生存性的几种方案，重点介绍了采用环形网的保护策略和采用DXC的保护策略。
Several approaches to improve the survivability of fibre cable networks with high capacity are discussed. The emphasis is put on the protective strategies employing ring structuse network and DXC.
当采用快速以太网或千兆以太网时，铜缆和光缆具有相同的传输速度。
When Fast Ethernet or Gigabit Ethernet is used, the same transmission speeds are realised on copper and fibre optic cables.
介绍了有线电视网中AM光缆干线传输综合指标的分析与设计。
The analysis and design of AM cable trunk target in close circuit TV system is discussed in the paper.
简要介绍密集波分复用系统在光纤光缆传输网中的应用及其发展趋势。密集波分复用系统的类型、系统容量、传输方式及传输系统设计。
It briefly introduces the application of DWDM to optical fiber cable transmission network, DWDM's developing trends, its types, system capacity, transmission methods and transmission system design.
在采矿场和港口控制系统之间敷设长距离单模光缆，进行以太网数据通讯。
Long-distance single-mode fiber optic cable is laid between the stope and port control system to enable Ethernet data communication.
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。
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.
同时研究了电力网的光纤光缆、电力传输网建设现状等各方面情况。
Fiber in electric power communication network, transmission network in electric power is also studied in the paper.
增加通信能力，提高电话普及率，以区际干线光缆和城乡电话网为重点。
Increase the ability of correspond by letter, raise the telephone universality rate, take the area trunk line fiber optic cable and the city country telephone nets as the point.
增加通信能力，提高电话普及率，以区际干线光缆和城乡电话网为重点。
Increase the ability of correspond by letter, raise the telephone universality rate, take the area trunk line fiber optic cable and the city country telephone nets as the point.
应用推荐