【摘要】 基于IEEE802.3af,介绍了PoE设备的供电方式、上电操作过程、系统配置管理等主要技术。通过将交换功能与集成供电相结合,提出一种基于SI3400的PoE系统设计方案,提供了嵌入式网管PoE端口,使网络的管理更丰富。采用PoE技术无线接入点设计的本地网络供电的典型应用,扩大PoE设备的使用范围,充分利用了现有的网络资源,为用户提供了更强的灵活性和移动性,节省投资,降低运行成本。更多还原

【Abstract】 On the basis of IEEE802.3af,the power supply mode,power operation,system configuration management of PoE equipment was described.By combining switching with integrated power supply,PoE system design based on SI3400 was presented,and an embedded management port of PoE was provided,which made the network management more abundant.PoE technologies used for wireless local network access of a typical power supply applications,expand the use of PoE equipment,full use of existing network resources to provide users with more flexibility and mobility,save investment and reduce operation costs.更多还原