接入网远端设备的供电

Power Supply of the Remote Equipment of Access Network

接入网远端设备供电是我们面临的一个迫切需要解决的问题．本文分析了几种供电方案及其适用条件。

Power supply is a difficulty should be solved in access network constructionThis paper analyzes several kinds of power supply plan of access network and give some advice of developing access network in China.