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以太网供电PoE技术的研究与实现

王景忠 王俊芳 于立佳 王立莹

无线电工程2012,Vol.42Issue(11):44-47,4.
无线电工程2012,Vol.42Issue(11):44-47,4.

以太网供电PoE技术的研究与实现

Research and Implementation of Power over Ethernet Technology

王景忠 1王俊芳 1于立佳 2王立莹1

作者信息

  • 1. 中国电子科技集团公司第五十四研究所,河北石家庄050081
  • 2. 河北远东通信系统工程有限公司,河北石家庄050081
  • 折叠

摘要

Abstract

Power over Ethernet technology defines a method that allows data and DC power to be delivered simultaneously over Ethernet.It can improve the applications of low-power network devices.The paper gives an analysis about the characteristics of PoE technology conforming to IEEE 802.3af standard.The structure and power supply process of the system adopting PoE technology are introduced in detail,and on that base,the power sourcing equipment based on MAX5945 and powered device based on MAX5941 are designed.The engineering practice shows the practicability of the theory and the methods.

关键词

IEEE/802.3af/以太网供电/MAX5945/MAX5941

Key words

IEEE 802.3af/PoE/MAX5945/MAX5941

分类

信息技术与安全科学

引用本文复制引用

王景忠,王俊芳,于立佳,王立莹..以太网供电PoE技术的研究与实现[J].无线电工程,2012,42(11):44-47,4.

基金项目

国防基础科研项目 ()

无线电工程

1003-3106

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