基于SDH技术的长株潭城际铁路传输网设计与实现.pdf

目录
1长株潭城际铁路应用SDH背景介绍.............................................................................................1
1.1设计背景介绍......................................................................................................................1
1.2长株潭城际铁路与SDH结合.............................................................................................1
1.3架构......................................................................................................................................2
2SDH详细介绍..................................................................................................................................3
2.1SDH的原理............................................................................................................................3
2.2SDH拓扑结构......................................................................................................................4
2.2.1链形网......................................................................................................................4
2.2.2星形网......................................................................................................................4
2.2.3树形网......................................................................................................................4
2.2.4环形网.....................................................................................................................4
2.2.5网孔形网..................................................................................................................4
2.3SDH技术的优点..................................................................................................................5
2.4SDH复用映射过程..............................................................................................................6
3长株潭城际铁路传输网基础拓扑设计........................................................................................9
3.1长株潭城际铁路线路图............................................................................................