SDH技术原理及其在南昌电力城网中的应用

Theory of SDH Technology and Its Application on Nanchang Urban Grids

同步数字系列(SDH)是近年来发展很成熟的通信技术,对于电力系统通信网有着十分广阔的应用前景。详细介绍了SDH技术的基本原理,总结了SDH技术相比于光纤通信线路(PDH)技术的几大优点,阐述了SDH技术在南昌地区电力城域网中的应用方案。

As a maturely developed communication technology, SDH has a broad prospect of application in power system communication network. This article introduces in detail the basic principle of SDH, summarizing its advantages over PDH technology, finally emphatically describes its application cases in urban grids in Nanchang area.