传统有线电视网络的升级改造

Transformation of Traditional CATV Network

传统的有线电视网络已经成为用户进入信息高速公路的“瓶颈”，对传统有线电视网的升级改造，着力从前端系统、传输系统、光纤、网络拓扑结构等方面进行比较深入全面地研究，将有线电视网建设成一个双向、高速率、广域的多媒体通信网。

The traditional CATV network has become the obstacle of entering the information superhighway. Aiming at constructing a bidirectional, high efficiency and broad multi-media network, this article elaborates the transformation of traditional CATV network, especially from the aspects of the front system, transmission system, optical fiber, network topology and so on.