以太网供电(POE)(2)

目录

1 2

POE概述...................................................................................................................................3 POE技术分析...........................................................................................................................4 2.1 POE的系统构成.............................................................................................................4 2.2 POE供电特性参数.........................................................................................................4 2.3 POE供电原理.................................................................................................................5 2.4 POE供电工作过程.........................................................................................................6 2.5 POE的供电方法.............................................................................................................6 POE技术的优势.......................................................................................................................7 POE在安防领域的应用...........................................................................................................8

3 4