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`This is an Archive IEEE Standard.
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`of the standard.
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` It has been withdrawn or superseded by a later version
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`ARCHIVE STANDARDS MAY HAVE VALUE AS HISTORICAL
`DOCUMENTS, BUT THEY ARE NOT VALID OR APPROVED IEEE
`STANDARDS. THE IEEE SHALL NOT BE LIABLE FOR ANY DAM-
`AGES RESULTING FROM THE SUBSCRIBER’S OR USERS’ PRAC-
`TICE OF THIS UNAPPROVED, ARCHIVE IEEE STANDARD.
`
`For more information about this or other current, revised or withdrawn standards, please
`consult the IEEE Standards Status report on-line at http://standards.ieee.org/db/status/ .
`
`Authorized licensed use limited to: Kirkland & Ellis LLP. Downloaded on May 23,2018 at 18:15:54 UTC from IEEE Xplore. Restrictions apply.
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`HPE 1021-0001
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`HPE Co. v. ChriMar Sys., Inc.
`IPR Pet. - U.S. Patent No. 8,902,760
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`

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`Recognized as an
`American National Standard (ANSI)
`
`IEEE Std 802.3u-1995
`(Supplement to ISO/IEC 8802-3: 1993
`[ANSI/IEEE Std 802.3, 1993 Edition])
`
`IEEE Standards for Local and Metropolitan Area Networks:
`
`Supplement to Carrier Sense Multiple Access with Collision
`Detection (CSMA/CD) Access Method and Physical Layer
`Specifications
`Media Access Control (MAC) Parameters, Physical
`Layer, Medium Attachment Units, and Repeater for
`100 Mb/s Operation, Type 100BASE-T (Clauses 21–30)
`
`Sponsor
`LAN MAN Standards Committee
`of the
`IEEE Computer Society
`
`Approved 14 June 1995
`IEEE Standards Board
`
`Approved 4 April 1996
`American National Standards Institute
`
`2nd Printing, Corrected Edition
`
`Abstract: The ISO/IEC CSMA/CD Media Access Control (MAC) is given an additional set of parameters for
`
`100 Mb/s operation. A repeater and added Physical Layers, known collectively as 100BASE-T, as well as sig-
`nificant additional supporting material for a Media Independent Interface (MII), management, and automatic
`configuration, are specified. This includes 100BASE-T4, which uses four pairs of Category 3, 4, or 5 generic
`twisted, balanced cable; 100BASE-TX, which uses two pairs of Category 5 balanced cable or 150
` shielded
`balanced cable; and 100BASE-FX, which uses two multi-mode fibers. Fibre Distributed Data Interface (FDDI)
`media interface specifications are referenced to provide the 100BASE-TX and 100BASE-FX physical signal-
`ing channels, defined under the subcategory 100BASE-X.
`
`Keywords: 100BASE-FX, 100BASE-T, 100BASE-T4, 100BASE-TX, 100BASE-X, Auto-Negotiation, Fast
`Ethernet, management, Media Independent Interface (MII), repeater
`
`The Institute of Electrical and Electronics Engineers, Inc.
`345 East 47th Street, New York, NY 10017-2394, USA
`
`Copyright © 1995 by the Institute of Electrical and Electronics Engineers, Inc.
`All rights reserved. Published 1995. Printed in the United States of America
`
`ISBN 1-55937-542-6
`
`No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior
`written permission of the publisher.
`
`Authorized licensed use limited to: Kirkland & Ellis LLP. Downloaded on May 23,2018 at 18:15:54 UTC from IEEE Xplore. Restrictions apply.
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`HPE 1021-0002
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`W
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`IEEE Standards documents are developed within the Technical Committees of the IEEE Societies
`
`and the Standards Coordinating Committees of the IEEE Standards Board. Members of the com-
`mittees serve voluntarily and without compensation. They are not necessarily members of the Insti-
`tute. The standards developed within IEEE represent a consensus of the broad expertise on the
`subject within the Institute as well as those activities outside of IEEE that have expressed an inter-
`est in participating in the development of the standard.
`
`Use of an IEEE Standard is wholly voluntary. The existence of an IEEE Standard does not imply
`that there are no other ways to produce, test, measure, purchase, market, or provide other goods and
`services related to the scope of the IEEE Standard. Furthermore, the viewpoint expressed at the
`time a standard is approved and issued is subject to change brought about through developments in
`the state of the art and comments received from users of the standard. Every IEEE Standard is sub-
`jected to review at least every five years for revision or reaffirmation. When a document is more
`than five years old and has not been reaffirmed, it is reasonable to conclude that its contents,
`although still of some value, do not wholly reflect the present state of the art. Users are cautioned to
`check to determine that they have the latest edition of any IEEE Standard.
`
`Comments for revision of IEEE Standards are welcome from any interested party, regardless of
`membership affiliation with IEEE. Suggestions for changes in documents should be in the form of a
`proposed change of text, together with appropriate supporting comments.
`
`Interpretations: Occasionally questions may arise regarding the meaning of portions of standards as
`they relate to specific applications. When the need for interpretations is brought to the attention of
`IEEE, the Institute will initiate action to prepare appropriate responses. Since IEEE Standards rep-
`resent a consensus of all concerned interests, it is important to ensure that any interpretation has
`also received the concurrence of a balance of interests. For this reason IEEE and the members of its
`technical committees are not able to provide an instant response to interpretation requests except in
`those cases where the matter has previously received formal consideration.
`
`Comments on standards and requests for interpretations should be addressed to:
`
`Secretary, IEEE Standards Board
`445 Hoes Lane
`P.O. Box 1331
`Piscataway, NJ 08855-1331
`USA
`
`Note: Attention is called to the possibility that implementation of this standard may
`require use of subject matter covered by patent rights. By publication of this standard,
`no position is taken with respect to the existence or validity of any patent rights in
`connection therewith. The IEEE shall not be responsible for identifying all patents for
`which a license may be required by an IEEE standard or for conducting inquiries into
`the legal validity or scope of those patents that are brought to its attention.
`
`Authorization to photocopy portions of any individual standard for internal or personal use is
`granted by the Institute of Electrical and Electronics Engineers, Inc., provided that the appropriate
`fee is paid to Copyright Clearance Center. To arrange for payment of licensing fee, please contact
`Copyright Clearance Center, Customer Service, 222 Rosewood Drive, Danvers, MA 01923 USA;
`(508) 750-8400. Permission to photocopy portions of any individual standard for educational class-
`room use can also be obtained through the Copyright Clearance Center.
`
`Authorized licensed use limited to: Kirkland & Ellis LLP. Downloaded on May 23,2018 at 18:15:54 UTC from IEEE Xplore. Restrictions apply.
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`HPE 1021-0003
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`Corrected Edition, June 1996
`
`The following corrections have been made to this edition:
`
`The designation of reference [A5] has been
`
`Page 23:
`corrected to ANSI/EIA/TIA 526-14-1990.
`further updates to annex A can be found in ISO/IEC 8802-3: 1996.]
`
`[Note that
`
`
`
`Page 32: In the last line of text on the page, the word “fourth” has been corrected to “sixth.”
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`Page 174: In figure 24-11, the “BAD SSD” box text has been corrected. “RXD<3.0>
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`“RXD<3:0>
` 1110”.
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` 1110” now reads
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`Page 234:
` The page, containing subclauses 27.7.4.11 and 27.7.4.12, was inadvertently omitted from the first
`printing. It is now included.
`
`Page 286:
` Under list item a), notes 2 and 3 were misnumbered and have been corrected. Also, references in
`notes 2 and 3 to table 29-2 have been corrected to table 29-3.
`
`Page 301: In table 30-1d, “aAutoNegAdvertisedTechnologyAbilit” has been corrected to
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`“aAutoNegAdvertisedTechnologyAbility”.
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`
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`Page 312: In subclause 30.4.1.1.2, the reference to 20.2.2.3 for “other” has been corrected to 30.2.5.
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`
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`Page 323: In subclause 30.5.1.1.2, the reference to 20.2.2.3 for “other” has been corrected to 30.2.5.
`
`Note that additional corrections are under consideration, and that some reference documents have been
`updated. These will be included in future maintenance documents.
`
`Authorized licensed use limited to: Kirkland & Ellis LLP. Downloaded on May 23,2018 at 18:15:54 UTC from IEEE Xplore. Restrictions apply.
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`iii
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`HPE 1021-0004
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`(cid:220)
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`Introduction
`
`(This introduction is not part of IEEE Std 802.3u-1995.)
`
`This standard is part of a family of standards for local and metropolitan area networks. The relationship
`between the standard and other members of the family is shown below. (The numbers in the figure refer to
`IEEE standard numbers.)
`
`.
`
`802.2 LOGICAL LINK CONTROL
`
`802.1 BRIDGING
`
`DATA
`LINK
`LAYER
`
`802.3
`MEDIUM
`ACCESS
`
`802.4
`MEDIUM
`ACCESS
`
`802.5
`MEDIUM
`ACCESS
`
`802.6
`MEDIUM
`ACCESS
`
`802.9
`MEDIUM
`ACCESS
`
`802.11
`MEDIUM
`ACCESS
`
`802.12
`MEDIUM
`ACCESS
`
`802.3
`PHYSICAL
`
`802.4
`PHYSICAL
`
`802.5
`PHYSICAL
`
`802.6
`PHYSICAL
`
`802.9
`PHYSICAL
`
`802.11
`PHYSICAL
`
`802.12
`PHYSICAL
`
`PHYSICAL
`LAYER
`
`802.1 MANAGEMENT
`
`802 OVERVIEW & ARCHITECTURE*
`
`802.10 SECURITY
`
`* Formerly IEEE Std 802.1A.
`
`This family of standards deals with the Physical and Data Link layers as defined by the International Organi-
`zation for Standardization (ISO) Open Systems Interconnection Basic Reference Model (ISO 7498 : 1984).
`The access standards define several types of medium access technologies and associated physical media,
`each appropriate for particular applications or system objectives. Other types are under investigation.
`
`The standards defining the technologies noted above are as follows:
`
`1
`• IEEE Std 802
`:
`
`• ANSI/IEEE Std 802.1B
` [ISO/IEC 15802-2]:
`
`• ANSI/IEEE Std 802.1D
` [ISO/IEC 10038]:
`
`• ANSI/IEEE Std 802.1E
` [ISO/IEC 15802-4]:
`
`Overview and Architecture. This standard provides an over-
`view to the family of IEEE 802 Standards. This document
`forms part of the 802.1 scope of work.
`
`LAN/MAN Management. Defines an Open Systems
`Interconnection (OSI) management-compatible architecture,
`and services and protocol elements for use in a LAN/MAN
`environment for performing remote management.
`
`MAC Bridging. Specifies an architecture and protocol for the
`interconnection of IEEE 802 LANs below the MAC service
`boundary.
`
`System Load Protocol. Specifies a set of services and protocol
`for those aspects of management concerned with the loading of
`systems on IEEE 802 LANs.
`
`1
`The 802 Architecture and Overview standard, originally known as IEEE Std 802.1A, has been renumbered as IEEE Std 802. This has
`been done to accommodate recognition of the base standard in a family of standards. References to IEEE Std 802.1A should be consid-
`ered as references to IEEE Std 802.
`
`iv
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`• ANSI/IEEE Std 802.2 [ISO/IEC 8802-2]: Logical Link Control
`
`• ANSI/IEEE Std 802.3 [ISO/IEC 8802-3]: CSMA/CD Access Method and Physical Layer Specifications
`
`• ANSI/IEEE Std 802.4 [ISO/IEC 8802-4]: Token Bus Access Method and Physical Layer Specifications
`
`• ANSI/IEEE Std 802.5 [ISO/IEC 8802-5]: Token Ring Access Method and Physical Layer Specifications
`
`• ANSI/IEEE Std 802.6 [ISO/IEC 8802-6]: Distributed Queue Dual Bus Access Method and Physical
`Layer Specifications
`
`• IEEE Std 802.9:
`
`• IEEE Std 802.10:
`
`Integrated Services (IS) LAN Interface at the Medium Access
`Control (MAC) and Physical (PHY) Layers
`
`Interoperable LAN/MAN Security, Currently approved:
`
`
`Secure Data Exchange (SDE)
`
`• IEEE 802.12:
`
`Demand Priority Access Method/Physical Layer Specifications
`
`In addition to the family of standards, the following is a recommended practice for a common Physical
`Layer technology:
`
`• IEEE Std 802.7:
`
`IEEE Recommended Practice for Broadband Local Area
`Networks
`
`The following additional working groups have authorized standards projects under development:
`
`• IEEE 802.11:
`
`• IEEE 802.14:
`
`Wireless LAN Medium Access Control (MAC) Sublayer and
`Physical Layer Specifications
`
`Standard Protocol for Cable-TV Based Broadband
`Communication Network
`
`The reader of this standard is urged to become familiar with the complete family of standards.
`
`Conformance test methodology
`
`An additional standards series, identified by the number 1802, has been established to identify the
`conformance test methodology documents for the 802 family of standards. Thus the conformance test
`documents for 802.3 are numbered 1802.3, the conformance test documents for 802.5 will be 1802.5, and so
`on. Similarly, ISO will use 18802 to number conformance test standards for 8802 standards.
`
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`v
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`HPE 1021-0006
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`IEEE Std 802.3u-1995
`
`At the time this standard (IEEE Std 802.3u-1995) was published, the IEEE 802.3 standard consisted of the
`following published documents:
`
`— ISO/IEC 8802-3: 1993 [ANSI/IEEE Std 802.3, 1993 Edition]
`— IEEE Std 802.3j-1993, Fiber Optic Active and Passive Star-Based Segments, Type 10BASE-F
`(Clauses 15–18)
`— IEEE Std 802.3k-1992, Layer Management for 10 Mb/s Baseband Repeaters (Clause 19)
`— IEEE Std 802.3l-1992, Type 10BASE-T Protocol Implementation Conformance Statement (PICS)
`Proforma (Subclause 14.10)
` IEEE Std 802.3q-1993, Guidelines for the Development of Managed
`— IEEE Std 802.3p-1993
`and
`Objects (GDMO) (ISO/IEC 10165-4) Format for Layer-Managed Objects (Clause 5)
` Layer
`and
`Management for 10 Mb/s Baseband Medium Attachment Units (MAUs) (Clause 20)
`— IEEE Std 1802.3d-1993, Type 10BASE-T Medium Attachment Unit (MAU) (Conformance Test
`Methodology (Clause 6)
`
`At the time this standard was published, there was revision and supplementary material that had been
`approved and scheduled for publication. Also, a new edition of ISO/IEC 8802-3 was in preparation to con-
`solidate a significant amount of the above material. Information on the current state of this and other IEEE
`802 standards may be obtained from
`
`Secretary, IEEE Standards Board
`445 Hoes Lane
`P.O. Box 1331
`Piscataway, NJ 08855-1331
`USA
`
`IEEE 802 committee working documents are available from
`
`IEEE Document Distribution Service
`AlphaGraphics #35
`Attn: P. Thrush
`10201 N. 35th Avenue
`Phoenix, AZ 85051
`USA
`
`Patent information
`
`The IEEE Standards Board calls attention to the fact that it is claimed that portions of IEEE Std 802.3u-1995
`are the subject of patents owned by a number of companies. The IEEE takes no position with respect to
`patent validity. Each of these companies has assured IEEE that it is willing to grant a license on these patents
`on reasonable and nondiscriminatory terms to anyone wishing to obtain such a license. The undertakings of
`these companies in this respect are on file with the IEEE Standards Department, and the license details may
`be obtained by contacting the Standards Department.
`
`vi
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`HPE 1021-0007
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`Participants
`
`When the IEEE 802.3 Working Group approved IEEE Std 802.3u-1995, it had the following membership:
`
`Geoffrey O. Thompson, Chair
`
`
`
`
`Peter Tarrant, Type 100BASE-T Task Force Chair, Phase 1
`
`Howard Frazier, Type 100BASE-T Task Force Chair, Phase 2
`
`
`Paul Sherer, Editor-in-Chief, Phase 1
`
`
`Howard Johnson, Editor-in-Chief, Phase 2
`
`Colin Mick,
`Comment Editor
`
`Martin Adams
`Don Aelmore
`Paul Ahrens
`Vish Akella
`Abe Ali
`Nitish Amin
`Mike Armstrong
`Denis Beaudoin
`Larry Birenbaum*
`Mark Bohrer
`Paul Booth*
`Samuel Bourche
`David Bourque
`Sidney Bouzaglo
`Richard Bowers
`Richard Brand
`Charles E. Brill
`Bill Bunch†
`Peter Campbell
`Kiwon Chang
`Samuel Chang
`Howard Charney
`Hon Wah Chin
`Jacques Christ
`Ronald J. Cooper
`Ron Crane
`Ian Crayford*
`Robert Curtis
`Bernard Daines
`Sean Dingman
`Thuyen Dinh
`Dan Dove
`James Doyle
`Peter Ecclesine
`Dean Edwards
`George Eisler
`Nick Esser
`Jim Everitt
`David Fischer
`Alan Flatman
`Christian G. Folting
`Atsuhisa Fukuoka
`Wolfgang Heidasch
`
`Walter Hurwitz†
`Ernie Jensen
`Clarence Joh
`Anthony Jordan
`Dieter Junkers
`Omer Kal
`Ron Kao
`Yongbum Kim
`Srinivas Kola
`Josef Kozilek
`George Kubovcik
`Hans Lackner
`Erik Lander
`David Law*
`Chun-Tsung Lee
`Jack Lee
`Vincent Lefebvre
`Richard Lewis
`Sam Liang
`Chan-De Lin
`Chang-Chi Liu
`Terry Lockyer
`Ken Lu
`Andy J. Luque
`Brian MacLeod
`Kenneth MacLeod
`Joseph Mazor
`Mike McConnell
`John McCool
`Tim McShane
`Mart L. Molle
`Shimon Muller
`Samba Murthy
`Larry Nicholson
`Paul Nikolich
`Ahmad Nouri
`J. Michael O’Connor
`Lloyd Oliver
`Pat Overs
`Sandeep Patel
`John Payne
`Tony Peatfield
`
`William Quackenbush
`Thomas J. Quigley
`Mohammad Rajabzadeh
`Shlomo Rakib
`Brian Ramelson
`Peter Rautenberg
`Dennis Rehm
`Victor Renteria
`Sean Riley
`Gary Robinson
`Khosrow Sadeghi
`David Schwartz
`Stephen Sedio
`Rich Seifert
`Koichiro Seto
`Chen-Chung Shih
`Som Sikdar
`Charan J. Singh*
`Paramjeet (P. J.) Singh
`Dinah Sloan
`Tom Slykhouse
`Michael Smith
`Dror Sofer
`Gregory Somer
`Walter Sotelo
`Peter Staub
`Ron Sulyma
`Daniel Sze
`Martin Takessian
`Wen-Tsung Tang
`Tim Teckman
`Douglas Thomson
`Nader Vijeh
`Moshe Voloshin
`Ikuo Wakayama
`Chang Jung Wang
`Yun-Che Wang
`Ken Ward
`Bob Watson
`David Wong
`Paul Woodruff*
`Nariman Yousefi
`Jamie Zartman
`
`* served as sub-task force chair or clause editor
`† served as clause editor but was not a working group member at the time of ballot
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`vii
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`HPE 1021-0008
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`The following persons were on the balloting committee:
`
`Don Aelmore
`Bernhard Albert
`Alan Albrecht
`Abe Ali
`Hasan S. Alkhatib
`Corey Anderson
`Kit Athul
`William E. Ayen
`Kendall F. Barney
`Larry Birenbaum
`Simon Black
`Kwame Boakye
`Kathleen L. Briggs
`Peter K. Campbell
`James T. Carlo
`Alan J. Chwick
`Alistair Coles
`Ian Crayford
`Robert S. Crowder
`Joe Curcio
`Ibibia K. Dabipi
`Robert Donnan
`Daniel Dove
`Edward A. Dunlop
`John E. Emrich
`Alvin W. Eng
`Philip H. Enslow, Jr.
`Changxin Fan
`John W. Fendrich
`David Fifield
`Michael Fischer
`Christian G. Folting
`Howard M. Frazier
`Harvey A. Freeman
`Robert J. Gagliano
`D. G. Gan
`Harry Gold
`Patrick Gonia
`Andrew Gruskay
`
`Jacob J. Hsu
`Howard Johnson
`Gary C. Kessler
`Mladen Kezunovic
`Yongbum Kim
`Mikio Kiyono
`Kenneth C. Kung
`David Law
`Lanse M. Leach
`Sam Liang
`Randolph S. Little
`Donald C. Loughry
`Robert D. Love
`William C. Lynch
`Peter Martini
`William C. McDonald
`Tim J. McShane
`Bennett Meyer
`Colin K. Mick
`Ann Miller
`Bruce D. Miller
`Richard H. Miller
`David S. Millman
`Warren Monroe
`John E. Montague
`Kinji Mori
`David J. Morris
`James R. Moulton
`Wayne D. Moyers
`Shimon Muller
`Paul Nikolich
`Ellis S. Nolley
`Robert O’Hara
`Donal O’Mahony
`Young Oh
`Joerg Ottensmeyer
`Roger Pandanda
`Lalit Mohan Patnaik
`Lucy W. Person
`
`Thomas L. Phinney
`Kirk Preiss
`Alberto Profumo
`Vikram Punj
`Andris Putnins
`Brian Ramelson
`Fernando Ramos
`Eugene J. Reilly
`Everett O. Rigsbee
`Gary S. Robinson
`Philip T. Robinson
`James W. Romlein
`Floyd E. Ross
`S. I. Samoylenko
`Frederick E. Sauer
`Frederick Scholl
`David Schwartz
`Mick Seaman
`John Selep
`Koichiro Seto
`Donald A. Sheppard
`Leo Sintonen
`William R. Smith
`Harry P. Solomon
`Robert K. Southard
`Efstathios D. Sykas
`Steven R. Taylor
`Patricia Thaler
`Geoffrey O. Thompson
`Kaichi Tsuno
`Mark-Rene Uchida
`Barry M. Vornbrock
`Yun-Che Wang
`Alan J. Weissberger
`Frank J. Weisser
`Raymond P. Wenig
`Earl J. Whitaker
`Jerry A. Wyatt
`Oren Yuen
`
`viii
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`When the IEEE Standards Board approved this standard on June 14, 1995, it had the following membership:
`
`
`
`E. G. “Al” Kiener, Chair
`
`
`
`Andrew G. Salem,
`
`
`
`Donald C. Loughry, Vice Chair
`
`
`Secretary
`
`Gilles A. Baril
`Clyde R. Camp
`Joseph A. Cannatelli
`Stephen L. Diamond
`Harold E. Epstein
`Donald C. Fleckenstein
`Jay Forster*
`Donald N. Heirman
`
`*Member Emeritus
`
`Richard J. Holleman
`Jim Isaak
`Ben C. Johnson
`Sonny Kasturi
`Lorraine C. Kevra
`Ivor N. Knight
`Joseph L. Koepfinger*
`D. N. “Jim” Logothetis
`L. Bruce McClung
`
`Marco W. Migliaro
`Mary Lou Padgett
`John W. Pope
`Arthur K. Reilly
`Gary S. Robinson
`Ingo Rusch
`Chee Kiow Tan
`Leonard L. Tripp
`
`Also included are the following nonvoting IEEE Standards Board liaisons:
`
`Satish K. Aggarwal
`Richard B. Engelman
`Robert E. Hebner
`Chester C. Taylor
`
`Kristin M. Dittmann
`IEEE Standards Project Editor
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`ix
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`Contents
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`CLAUSE
`
`PAGE
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`Revisions to ISO/IEC 8802-3 : 1993 [ANSI/IEEE Std 802.3, 1993 Edition] ................................................. 1
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`21.
`
`Introduction to 100 Mb/s baseband networks, type 100BASE-T .......................................................... 27
`21.1 Overview ................................................................................................................................... 27
`21.1.1
`Reconciliation Sublayer (RS) and Media Independent Interface (MII) .................... 27
`21.1.2
`Physical Layer signaling systems ............................................................................. 27
`21.1.3
`Repeater .................................................................................................................... 28
`21.1.4
`Auto-Negotiation ...................................................................................................... 28
`21.1.5 Management .............................................................................................................. 28
`21.2 Abbreviations ............................................................................................................................ 29
`21.3 References ................................................................................................................................. 30
`21.4 Definitions ................................................................................................................................. 30
`21.5
`State diagrams ........................................................................................................................... 30
`21.5.1
`Actions inside state blocks ........................................................................................ 30
`21.5.2
`State diagram variables ............................................................................................. 31
`21.5.3
`State transitions ......................................................................................................... 31
`21.5.4
`Operators ................................................................................................................... 31
`Protocol Implementation Conformance Statement (PICS) proforma ....................................... 32
`21.6.1
`Introduction ............................................................................................................... 32
`21.6.2
`Abbreviations and special symbols ........................................................................... 32
`21.6.3
`Instructions for completing the PICS proforma ........................................................ 32
`21.6.4
`Additional information .............................................................................................. 33
`21.6.5
`Exceptional information ............................................................................................ 33
`21.6.6
`Conditional items ...................................................................................................... 33
`21.7 Relation of 100BASE-T to other standards ............................................................................... 34
`21.8 MAC delay constraints (exposed MII) ..................................................................................... 35
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`21.6
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`22.2
`
`22. Reconciliation Sublayer (RS) and Media Independent Interface (MII) ................................................ 37
`22.1 Overview ................................................................................................................................... 37
`22.1.1
`Summary of major concepts ..................................................................................... 38
`22.1.2
`Application ................................................................................................................ 38
`22.1.3
`Rates of operation ..................................................................................................... 39
`22.1.4
`Allocation of functions ............................................................................................. 39
`Functional specifications .......................................................................................................... 39
`22.2.1 Mapping of MII signals to PLS service primitives and Station Management .......... 39
`22.2.2 MII signal functional specifications .......................................................................... 42
`22.2.3
`Frame structure ......................................................................................................... 48
`22.2.4 Management functions .............................................................................................. 51
`Signal timing characteristics ..................................................................................................... 60
`22.3.1
`Signals that are synchronous to TX_CLK ................................................................ 61
`22.3.2
`Signals that are synchronous to RX_CLK ................................................................ 61
`22.3.3
`Signals that have no required clock relationship ...................................................... 62
`22.3.4 MDIO timing relationship to MDC .......................................................................... 62
`Electrical characteristics ........................................................................................................... 63
`22.4.1
`Signal levels .............................................................................................................. 63
`22.4.2
`Signal paths ............................................................................................................... 63
`22.4.3
`Driver characteristics ................................................................................................ 64
`22.4.4
`Receiver characteristics ............................................................................................ 65
`22.4.5
`Cable characteristics ................................................................................................. 66
`22.4.6
`Hot insertion and removal ......................................................................................... 67
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`22.3
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`22.4
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`HPE 1021-0011
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`CLAUSE
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`PAGE
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`22.5
`
`Power supply ............................................................................................................................. 67
`22.5.1
`Supply voltage .......................................................................................................... 67
`22.5.2
`Load current .............................................................................................................. 67
`22.5.3
`Short-circuit protection ............................................................................................. 67
`22.6 Mechanical characteristics ........................................................................................................ 68
`22.6.1
`Definition of mechanical interface ............................................................................ 68
`22.6.2
`Shielding effectiveness and transfer impedance ....................................................... 68
`22.6.3
`Connector pin numbering ......................................................................................... 69
`22.6.4
`Clearance dimensions ............................................................................................... 69
`22.6.5
`Contact assignments .................................................................................................. 70
`Protocol Implementation Conformance Statement (PICS) proforma for clause 22,
`Reconciliation Sublayer (RS) and Media Independent Interface (MII) .................................... 71
`22.7.1
`Introduction ............................................................................................................... 71
`22.7.2
`Identification ............................................................................................................. 71
`22.7.3
`PICS proforma tables for reconciliation sublayer and media independent interface 72
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`22.7
`
`23.2
`
`23.3
`
`23. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and
`baseband medium, type 100BASE-T4 .................................................................................................. 81
`23.1 Overview ................................................................................................................................... 81
`23.1.1
`Scope ......................................................................................................................... 81
`23.1.2
`Objectives ................................................................................................................. 81
`23.1.3
`Relation of 100BASE-T4 to other standards ............................................................ 81
`23.1.4
`Summary ................................................................................................................... 81
`23.1.5
`Application of 100BASE-T4 .................................................................................... 84
`PCS functional specifications ................................................................................................... 85
`23.2.1
`PCS functions ............................................................................................................ 85
`23.2.2
`PCS interfaces ........................................................................................................... 90
`23.2.3
`Frame structure ......................................................................................................... 90
`23.2.4
`PCS state diagrams ................................................................................................... 91
`23.2.5
`PCS electrical specifications ..................................................................................... 99
`PMA service interface ............................................................................................................... 99
`23.3.1
`PMA_TYPE.indicate .............................................................................................. 100
`23.3.2
`PMA_UNITDATA.request ..................................................................................... 100
`23.3.3
`PMA_UNITDATA.indicate .................................................................................... 101
`23.3.4
`PMA_CARRIER.indicate ....................................................................................... 102
`23.3.5
`PMA_LINK.indicate ............................................................................................... 102
`23.3.6
`PMA_LINK.request ................................................................................................ 103
`23.3.7
`PMA_RXERROR.indicate ..................................................................................... 104
`PMA functional specifications ................................................................................................ 104
`23.4.1
`PMA functions ........................................................................................................ 104
`23.4.2
`PMA interface messages ......................................................................................... 108
`23.4.3
`PMA state diagrams ................................................................................................ 109
`PMA electrical specifications ................................................................................................. 112
`23.5.1
`PMA-to-MDI interface characteristics ................................................................... 112
`23.5.2
`Power consumption ................................................................................................. 124
`Link segment characteristics ....................................................................