【摘要】 以太网供电技术定义了一种在以太网上同时传送直流电源和数据的方法,减少了由于电源适配器故障所引起的数据网络故障,并促进了低功耗网络设备的应用。在此介绍以太网供电(PoE)技术的工作原理和工作过程,讨论了以太网供电技术的主要应用和在使用中应该注意的问题。更多还原

【Abstract】 Power over Ethernet (PoE) technology defines a method allowing DC power and data to be delivered simultaneously over Ethernet. It can decrease troubles of data network that caused by AC power adapter failure, and can improve applications of low-power network devices. The principle and the working process of PoE technology are introduced, and its major applications and how to implement correctly are talked about.更多还原