目錄TOC摘要4第1章SDH概述51.1SDH產生的背景51.2SDH的特點5第…
OSN550設備是華為自主研發的新一代SDH光傳輸設備,采用TDM和分組(基于M…
本文主要闡述了中興zxone8300在日常維護中經常出現的故障以及障礙分析處理的…
SDH(SynchronousDigitalHierarchy,同步數字體系),根據ITU-T的建議定義,是不同速度的數位信號的傳輸提供相應等級的信息結構,包括…
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