802.3at-2009

时间:2013-01-06 02:31:17
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文件名称:802.3at-2009

文件大小:1.37MB

文件格式:PDF

更新时间:2013-01-06 02:31:17

IEEE 802.3at 2009 STD95959

802.3at-2009 IEEE Standard for Information Technology--Part 3: CSMA/CD Access Method and Physical Layer Specifications - Amendment 3: Data Terminal Equipment (DTE) Power via the Media Dependent Interface (MDI) Enhancements. This amendment is to augment the capabilities of the IEEE Std 802.3 with higher power levels and improved power management information. It will augment the methodology for the provision of power via balanced cabling to connected Data Terminal Equipment with IEEE 802.3 interfaces. Optional augmented power limit will be made available for certain structured cabling systems. Compatibility with existing equipment will be maintained. http://grouper.ieee.org/groups/802/3/ Amendment of IEEE Std 802.3-2008 Price: Member and Affiliate Price: $77.00 Non-Member Price: $99.00 Part Number: STD95959 Format: PDF Pages: 141 Standard Number: 802.3at-2009 Publication Date: 30/10/2009


网友评论

  • 非常感谢,很好的资源。
  • 非常全面的标准!
  • 想要找Isolate的部分,可是没找到想要的结果!
  • 难得找到的好*,谢谢楼主分享
  • 不错,正是要找的POE标准
  • 很好,标准是依据!英文是最好的,如果翻译中成中文,翻译不准确,就是给偷懒的工程师挖坑。。
  • 要是中文的就好了,还算有帮助吧。。。