This paper presents four kinds of common SDH network topological structures, i. e. linear, ring, star and meshed.

本文介绍线形、环形、星形和网孔形等四种常用的SDH网拓朴结构。

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This paper presents four kinds of common SDH network topological structures, i. e. linear, ring, star and meshed.

本文介绍线形、环形、星形和网孔形等四种常用的SDH网拓朴结构。

youdao