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IEEE Std 802.3at
™
-2009
(Amendment to
IEEE Std 802.3™-2008)
IEEE Standard for
Information technology—
Telecommunications and information
exchange between systems—
Local and metropolitan area networks—
Specific requirements
Part 3: Carrier Sense Multiple Access with
Collision Detection (CSMA/CD) Access Method
and Physical Layer Specifications
Amendment 3: Data Terminal Equipment (DTE)
Power via the Media Dependent Interface (MDI)
Enhancements
LAN/MAN Standards Committee
of the
IEEE Computer Society
Approved 11 September 2009
IEEE-SA Standards Board
Abstract: This amendment includes changes to IEEE Std 802.3-2008 to augment the capabilities
of IEEE Std 802.3 with higher power levels and improved power management information.
Keywords: Data Link Layer classification, MPS, PD, PI, POE+, power, Power over Ethernet plus,
PSE, Type 1, Type 2
The Institute of Electrical and Electronics Engineers, Inc.
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Copyright © 2009 by the Institute of Electrical and Electronics Engineers, Inc.
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PDF: ISBN 978-0-7381-6042-9 STD95959
Print: ISBN 978-0-7381-6043-6 STDPD95959
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