Answering questions that may arise related to the meaning of portions of an IEEE standard concerning specific applications.

IEEE Standards Interpretation for IEEE Std 802.3af™-2003 IEEE Standard for Local and Metropolitan Area Networks - IEEEE 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 - Data Terminal Equipment (DTE) Power Via Media Dependent Interface (MDI)

Copyright © 2005 by the Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue New York, New York 10016-5997 USA All Rights Reserved.

This is an interpretation of IEEE Std 802.3af-2003.

Interpretations are issued to explain and clarify the intent of a standard and do not constitute an alteration to the original standard. In addition, interpretations are not intended to supply consulting information. Permission is hereby granted to download and print one copy of this document. Individuals seeking permission to reproduce and/or distribute this document in its entirety or portions of this document must contact the IEEE Standards Department for the appropriate license. Use of the information contained in this document is at your own risk.

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November 2005

Interpretation #: 1, 2, 3, and 4 PDF
Topic: DTE Power via MDI Isolation Relevant Clauses:,,, Classification: unambiguous.

Interpretation #: 5 PDF
Topic: DTE Power via MDI Isolation Relevant Clauses: 33.4.1 Classification: Question 1: unambiguous Classification: Questions 2, 3, & 4: Not requests for Interpretation

Interpretation #: 6 PDF
Topic: Auto-Negotiation Relevant Clauses: 37 and 40.5.1 Classification: unambiguous

Interpretation #3-07/04 PDF
Topic: Isolation Relevant Clause: 33.4.1 Classification: Unambigious