【摘要】 波分复用技术 ( WDM)在中国电信同步数字体系 SDH光传输网中的广泛运用 ,必将极大地满足宽带长途传输和接入的需求。通过分析波分复用技术相对于时分复用技术( TDM)的优越性及其在 SDH传输网中的应用 ,讨论了 SDH网络中使用 WDM的关键技术 ,并探讨了 WDM与 SDH网络管理一体化的技术方案和优势更多还原

【Abstract】 The requirement of large bandwidth will be greatly satisfied in China Telecom’s optical SDH networks by using wavelength division multiplexing (WDM)or dense WDM.In this paper,the principal advantage of WDM over TDM and its aplication in optical SDH transmission systems are introduced.Important WDM components and techniques are discussed in details and the advantage of integrated management system for WDM and SDH transmission networks is proposed.更多还原