Standard icon

IEEE STANDARD

802.3at-2009 - IEEE Standard for Information technology-- Local and metropolitan area networks-- Specific requirements-- Part 3: CSMA/CD Access Method and Physical Layer Specifications Amendment 3: Data Terminal Equipment (DTE) Power via the Media Dependent Interface (MDI) Enhancements

Description: A protocol and a set of managed objects that can be used for discovering the physical topology from adjacent stations in IEEE 802 LANs are defined in this standard. The "IEEE Get Program" grants public access to view and download individual PDFs of select standards at no charge. Visit http://standards.ieee.org/about/get/index.html for details.
  • Status: Active Standard Help

Get This Standard

Buy an Electronic Copy Get an Adobe Acrobat PDF version of this standard. BuyNow available at no charge
Access with Subscription External Link Standards Online subscribers can access this standard in IEEE Xplore Digital Library. Access Learn More

Related Materials

PAR External LinkPDF format

Related Standards

Wired and Wireless Communications Standards
Software and Systems Engineering Standards
Computer Technology Standards

Additional Resources

Join IEEE-SA & Save!

IEEE-SA Individual Members save 10% (on average)* on most standards purchased through IEEE.
* actual savings vary per standard