【摘要】 将县市级光纤电视网络按县市和乡镇大小划分为4种基本类型,给出了每一种类型的光网络组成和层级关系,指出了不同光网络层级的光网络结构特点。对光纤双向环形自愈网络结构和星形网络结构的关系以及它们的不同结构形态进行了分析,希望对构建和设计县市级光纤电视网能有一些帮助和借鉴。更多还原

【Abstract】 In this paper,the fiber TV networks at county level are divided into four types in accordance with counties and townships proportions,their network arrangement and rank are given.Traits of optical network structures of diverse optical network ranks are indicated.Relationships between ring network and stelliform network and their diverse configurations are analyzed.It is hoped that the article is useful to construct and design optical fiber TV network at county level.更多还原