802.3ab-1999.pdf

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Title Page

Introduction to IEEE Std 802.3ab-1999

Participants

CONTENTS

Revisions to IEEE Std 802.3, 1998 Edition

1.3 Normative References

1.4 Definitions

1.5 Abbreviations

22. Reconciliation Sublayer (RS) and Media Independent Interface

28. Physical Layer link signaling for 10 Mb/s, and 1000 Mb/s Autonegotiation on twisted pair

28.5 Protocol Implementation Conformance Statement (PICS) proforma for Clause 28, Physical Layer ...

30.10 Mb/s, 100 Mb/s, and 1000 Mb/s Management

32. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium, type 100BASE-T2

34. Introduction to 1000 Mb/s baseband network

42. System considerations for multisegment 1000 Mb/s networks

Annex A—Additional reference material

Annex 28B—IEEE 802.3 Selector Base Page definition

Annex 28C—Next Page Message Code Field definitions

Annex 28D—Description of extensions to Clause 28 and associated annexes

Annex 30B—GDMO and ASN.1 definitions for management

IEEE Std 802.3ab-1999—Supplement to IEEE Std 802.3, 1998 Edition

40. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium...

40.1 Overview

40.2 1000BASE-T Service Primitives and Interfaces

40.3 Physical Coding Sublayer (PCS)

40.4 Physical Medium Attachment (PMA) sublayer

40.5 Management interface

40.6 PMA electrical specifications

40.7 Link segment characteristics

40.8 MDI specification

40.9 Environmental specifications

40.10 PHY labeling

40.11 Delay constraints

40.12 Protocol implementation conformance statement (PICS) proforma for Clause 40—Physical coding...

Annex 40A—Additional cabling design guidelines

Annex 40B—Description of cable clamp

40B.1 Cable clamp validation

Annex 40C—Add-on interface for additional Next Pages

40C.1 State variables

40C.2 State diagrams

IEEE Std 802.3ab-1999 (Supplement to IEEE Std 802.3, 1998 Edition) Information technology— Telecommunications and information exchange between systems— Local and metropolitan area networks—Speciﬁc requirements— Supplement to Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications— Physical Layer Parameters and Specifications for 1000 Mb/s Operation Over 4-Pair of Category 5 Balanced Copper Cabling, Type 1000BASE-T Sponsor LAN MAN Standards Committee of the IEEE Computer Society Approved 26 June 1999 IEEE-SA Standards Board Abstract: Type 1000BASE-T PCS, type 1000BASE-T PMA sublayer, and type 1000BASE-T Me- dium Dependent Interface (MDI) are defined. This supplement provides fully functional, electrical and mechanical specifications for the type 1000BASE-T PCS, PMA, and MDI. This supplement also specifies the baseband medium used with 1000BASE-T. Keywords: dependent interface, physical coding sublayer, Physical Layer, physical medium attachment Auto-Negotiation, Category 5, copper, Ethernet, gigabit, MASTER-SLAVE, medium The Institute of Electrical and Electronics Engineers, Inc. 345 East 47th Street, New York, NY 10017-2394, USA Copyright © 1999 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 26 July 1999. Printed in the United States of America. Print: PDF: ISBN 0-7381-1741-2 SH94754 SS94754 ISBN 0-7381-1742-0 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.

IEEE Standards documents are developed within the IEEE Societies and the Standards Coordinat- ing Committees of the IEEE Standards Association (IEEE-SA) Standards Board. Members of the committees serve voluntarily and without compensation. They are not necessarily members of the Institute. 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 societies and Standards Coordinating 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-SA 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 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; (978) 750-8400. Permission to photocopy portions of any individual standard for educational class- room use can also be obtained through the Copyright Clearance Center.

Introduction to IEEE Std 802.3ab-1999 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.) I Y T R U C E S 0 1 2 0 8 . I * E R U T C E T H C R A & W E V R E V O 2 0 8 I T N E M E G A N A M 1 2 0 8 . 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 802.14 MEDIUM ACCESS 802.3 PHYSICAL 802.4 PHYSICAL 802.5 PHYSICAL 802.6 PHYSICAL 802.9 PHYSICAL 802.11 PHYSICAL 802.12 PHYSICAL 802.14 PHYSICAL PHYSICAL LAYER * 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 (OSI) Basic Reference Model (ISO/IEC 7498-1: 1994). The access standards deﬁne seven types of medium access technologies and associated phys- ical media, each appropriate for particular applications or system objectives. Other types are under investiga- tion. The standards deﬁning the technologies noted above are as follows: • IEEE Std 802 Overview and Architecture. ily of IEEE 802 Standards. This standard provides an overview to the fam- • ANSI/IEEE Std 802.1B and 802.1k [ISO/IEC 15802-2] LAN/MAN Management. ture, and services and protocol elements for use in a LAN/MAN environ- ment for performing remote management. Deﬁnes an OSI management-compatible architec- • ANSI/IEEE Std 802.1D Speciﬁes an architecture and protocol Media Access Control (MAC) Bridges. for the interconnection of IEEE 802 LANs below the MAC service boundary. • ANSI/IEEE Std 802.1E [ISO/IEC 15802-4] System Load Protocol. of management concerned with the loading of systems on IEEE 802 LANs. Speciﬁes a set of services and protocol for those aspects • ANSI/IEEE Std 802.1F Common Deﬁnitions and Procedures for IEEE 802 Management Information • ANSI/IEEE Std 802.1G [ISO/IEC 15802-5] Remote Media Access Control (MAC) Bridging interconnection, using non-LAN communication technologies, of geographically separated IEEE 802 LANs below the level of the logical link control protocol. . Speciﬁes extensions for the • IEEE Std 802.1H [ISO/IEC TR 11802-5] Media Access Control (MAC) Bridging of Ethernet V2.0 in Local Area Networks • ANSI/IEEE Std 802.2 Logical Link Control [ISO/IEC 8802-2] • ANSI/IEEE Std 802.3 CSMA/CD Access Method and Physical Layer Speciﬁcations Copyright © 1999 IEEE. All rights reserved. iii

• ANSI/IEEE Std 802.4 Token Passing Bus Access Method and Physical Layer Speciﬁcations [ISO/IEC 8802-4] • ANSI/IEEE Std 802.5 Token Ring Access Method and Physical Layer Speciﬁcations [ISO/IEC 8802-5] • ANSI/IEEE Std 802.6 [ISO/IEC 8802-6] Distributed Queue Dual Bus Access Method and Physical Layer Speciﬁcations • ANSI/IEEE Std 802.9 [ISO/IEC 8802-9] Integrated Services (IS) LAN Interface at the Medium Access Control (MAC) and Physical (PHY) Layers • ANSI/IEEE Std 802.10 Interoperable LAN/MAN Security • ANSI/IEEE Std 802.11 [ISO/IEC DIS 8802-11] Wireless LAN Medium Access Control (MAC) and Physical Layer Speciﬁcations • ANSI/IEEE Std 802.12 [ISO/IEC 8802-12] Demand Priority Access Method, Physical Layer and Repeater 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 group has authorized standards projects under development: • IEEE 802.14 Standard Protocol for Cable-TV Based Broadband Communication Network Conformance test methodology An additional standards series, identiﬁed by the number 1802, has been established to identify the conform- ance test methodology documents for the 802 family of standards. Thus the conformance test documents for 802.3 are numbered 1802.3. IEEE Std 802.3ab-1999 This standard contains state-of-the-art material. The area covered by this standard is undergoing evolution. Revisions are anticipated to this standard within the next few years to clarify existing material, to correct possible errors, and to incorporate new related material. Details on the contents of this standard are provided on the following pages. The IEEE 802.3 Working Group acknowledges and appreciates that many concepts embodied in this stan- dard are based largely upon the CSMA/CD access method earlier described in speciﬁcation as written jointly by individuals from Xerox Corporation, Digital Equipment Corporation, and Intel Corpora- tion. Appreciation is also expressed to Robert M. Metcalfe and David R. Boggs for their pioneering work in establishing the original concepts. The Ethernet iv Copyright © 1999 IEEE. All rights reserved.

Participants The following is a list of participants in the IEEE 802.3 Working Group when this standard was balloted: David J. Law, Vice Chair Geoffrey O. Thompson, Chair Robert M. Grow, Secretary George Eisler, Colin K. Mick, Chair, 802.3ab Task Force Editor, 802.3ab Task Force Oscar Agazzi Paul Ahrens Alan Albrecht Don Alderrou Abe Ali Brad Allen Ralph Andersson Khaled Amer Steve Augusta Kameran Azadet Guna Bala Denis Beaudoin April Bergstrom John L. Bestel Michel Bohbot Brad J. Booth Kirk Bovill Steve Brewer Benjamin J. Brown Daniel J. Brown Bill Bunch Ed Cady John Cagle Richard Cam Bob Campbell Andrew Castellano Edward Chang Linda Cheng Hon Wah Chin Henry Choy Chris Christ George Chu Terry Cobb Ian Crayford John Creigh David Cunningham Simon Cushin Robert Dahlgren Kevin Daines Subrata Datta Tom Debiec Chris DiMinico Thomas Dineen Dan Dove Steve Dreyer Michael Elswick Nick Esser Daniel Essig Mark Feuerstraeter Dave Fiﬁeld John Fitzgerald Alan Flatman Howard M. Frazier Ken Friedenbach Scott Fritz Richard Froke Judy Fuess Darrell Furlong Robin Gangopadhya Joel Goergen Tom Grasmehr Bryan Gregory Richard Grenier Edward Grivna Stephen Haddock G. Y. Hanna Del Hanson Lloyd Hasley Mehdi Hatamian Kirk Hayden Claude Hayek Gaby Hecht Ariel Hendel John Hill Henry Hinrichs Charlie Hochstedler Henry Hsiaw Jacob Hsu Todd Hudson Ajit Jadeja Robert Jin Clarence Joh Howard Johnson Scott Johnson Thomas K. Jørgensen Juan Jover Shinkyo Kaku Mohan Kalkunte Amrit Kalla Jamie Kardontchik Allen Kasey Sumesh Kaul Tuan Khuu Yongbum Kim Richard Knight Paul Kolesar Kishan Rao Konda Josef Kosilek Daniel Krent Richard LaCerte Hans Lackner Gadi Lahat Bruce LaVigne Fu-Ho Lee Tommy Leung Chan-De Lin George Lin Larry Lomelino Andy J. Luque Jeffrey Lynch Brian MacLeod Kenneth MacLeod Rabih Makarem Jim Mangin Arlen Martin Jeff Martin Thomas Mathey Bob Mayer Joseph Mazor Kelly McClellan John McCool Grahame Measor Vince Melendy Steve Metzger Tremont Miao Larry D. Miller Mart L. Molle Octavio Morales Shimon Muller Carrie Munson Denis Murphy Samba Murthy Robert Musk Ken Naganuma Hari Naidu Kristian Nelson Paul Nikolich David Nim Mark Nowell Satoshi Obara Mitsuji Okada Paul Pace Jim F. Parker Jerry Pate John Payne Petar Pepeljugoski John Profﬁtt Steve Pryor William Quackenbush Sreen Raghavan Sailesh K. Rao Peter Rautenberg John Ritger Ramz Rizk Carlos Rodriguez Floyd Ross Tam Ross Tony Rowell Larry Rubin Khosrow Sadeghi Dalit Sagi Mark Sankey Arindam Sarkar Rich Seifert Koichiro Seto Cheng-Chung Shih David Smith Michael A. Smith Walter Sotelo David N. Stacy Stephen Strong Steve Swanson Andre Szczepanek Tad Szostak Rich Taborek Wen-Tsung Tang Jim Tatum Ken Taylor Pat Thaler R. Jonathan Thatcher Walter Thirion Douglas Thomson Carlos Tomaszewski Hiep Tran Zbigniew Turlej Jacob Twersky Todd Vaﬁades Schelto van Doorn David J. Van Goor Bill Verheggen Greg Wang Yun-Che Wang Jeff Warren Jim Welch Willem Wery Mike Witkowski John Wolcott David Wong Don Wong Robert Wu Stefan M. Wurster Michael Yam Mark Yu Igor Zhovnirovsky Copyright © 1999 IEEE. All rights reserved. v

The following members of the balloting committee voted on this standard: Don Alderrou Jack S. Andresen J. Paul Benson, Jr. Brad J. Booth Steve Brewer Benjamin J. Brown James T. Carlo David E. Carlson Robert S. Crowder Thomas J. Dineen George Eisler John W. Fendrich Howard M. Frazier Ken J. Friedenbach Patrick S. Gonia Robert M. Grow Chris G. Guy Allen W. Hathaway Donald N. Heirman Richard J. Iliff Raj Jain Howard Johnson David J. Law Randolph S. Little Robert D. Love John L. Messenger Bennett Meyer Colin K. Mick Gene E. Milligan David S. Millman John E. Montague Shimon Muller Paul Nikolich Robert O'Hara Charles Oestereicher Sai leh Rao Edouard Y. Rocher Floyd E. Ross Rich Seifert John A. Siemon Michael A. Smith Patricia Thaler Geoffrey O. Thompson Emmanuel Van Lil Paul A. Willis Oren Yuen Jonathan M. Zweig When the IEEE-SA Standards Board approved this standard on 26 June 1999, it had the following membership: Richard J. Holleman, Chair Donald N. Heirman, Vice Chair Judith Gorman, Secretary Satish K. Aggarwal Dennis Bodson Mark D. Bowman James T. Carlo Gary R. Engmann Harold E. Epstein Jay Forster* Ruben D. Garzon *Member Emeritus James H. Gurney Lowell G. Johnson Robert J. Kennelly E. G. “Al” Kiener Joseph L. Koepﬁnger* L. Bruce McClung Daleep C. Mohla Robert F. Munzner Louis-François Pau Ronald C. Petersen Gerald H. Peterson John B. Posey Gary S. Robinson Akio Tojo Hans E. Weinrich Donald W. Zipse Also included is the following nonvoting IEEE-SA Standards Board liaison: Robert E. Hebner Catherine K.N. Berger IEEE Standards Project Editor This standard is dedicated to the memory of our friend and colleague Valerie E. Zelenty IEEE Standards Editor 1993–1999 vi Copyright © 1999 IEEE. All rights reserved.

Contents REVISIONS TO IEEE Std 802.3, 1998 Edition AS SUPPLEMENTED BY IEEE 802.3ac-1998 1. (Changes to) Introduction .................................................................................................................... 1 1.3(Changes to) Normative references ................................................................................................ 1 1.4 (Changes to) Definitions ................................................................................................................ 2 1.5 (Changes to) Abbreviations ........................................................................................................... 4 (Changes to) Reconciliation Sublayer (RS) and Media Independent Interface (MII) ......................... 4 (Changes to) Physical Layer link signaling for 10 Mb/s and 100 Mb/s Auto-Negotiation on twisted pair...................................................................................................................................... 5 (Changes to) 10 Mb/s, 100 Mb/s, and 1000 Mb/s Management.......................................................... 8 (Changes to) Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium, type 100BASE-T2.......................................................................................... 8 (Changes to) Introduction to 1000 Mb/s baseband network................................................................ 9 (Changes to) System considerations for multisegment 1000 Mb/s networks...................................... 9 22. 28. 30. 32. 34. 42. ANNEXES (Changes to) Annex A (informative) Additional reference material ............................................................. 10 (Changes to) Annex 28B (normative) IEEE 802.3 Selector Base Page definition........................................ 10 (Changes to) Annex 28C (normative) Next Page Message Code Field definitions ...................................... 13 (Changes to) Annex 28D (normative) Description of extensions to Clause 28 and associated annexes....... 14 (Changes to) Annex 30B (normative) GDMO and ASN.1 definitions for management............................... 14 40. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium, type 1000BASE-T............................................................................................................... 15 40.1 Overview .................................................................................................................................. 15 40.1.1 Objectives ........................................................................................................................... 15 40.1.2 Relationship of 1000BASE-T to other standards ................................................................ 16 40.1.3 Operation of 1000BASE-T .................................................................................................. 16 40.1.4 Signaling ............................................................................................................................. 20 40.1.5 Inter-sublayer interfaces....................................................................................................... 20 40.1.6 Conventions in this clause .................................................................................................. 20 40.2 1000BASE-T Service Primitives and Interfaces ...................................................................... 21 40.2.1 Technology-Dependent Interface...................................................................................... 21 40.2.2 PMA Service Interface...................................................................................................... 22 40.2.3 PMA_TXMODE.indicate ................................................................................................. 23 40.2.4 PMA_CONFIG.indicate ................................................................................................... 24 40.2.5 PMA_UNITDATA.request............................................................................................... 24 40.2.6 PMA_UNITDATA.indicate ............................................................................................. 25 40.2.7 PMA_SCRSTATUS.request ............................................................................................ 26 40.2.8 PMA_RXSTATUS.indicate.............................................................................................. 26 40.2.9 PMA_REMRXSTATUS.request ...................................................................................... 27 40.2.10 PMA_RESET.indicate ..................................................................................................... 27 Copyright © 1999 IEEE. All rights reserved. vii

40.3 Physical Coding Sublayer (PCS) ............................................................................................. 27 40.3.1 PCS functions ..................................................................................................................... 28 40.3.2 Stream structure .................................................................................................................. 43 40.3.3 State variables ..................................................................................................................... 43 40.3.4 State diagrams ..................................................................................................................... 48 40.4 Physical Medium Attachment (PMA) sublayer ....................................................................... 53 40.4.1 PMA functional specifications ............................................................................................ 53 40.4.2 PMA functions .................................................................................................................... 54 40.4.3 MDI ..................................................................................................................................... 56 40.4.4 Automatic MDI/MDI-X Configuration .............................................................................. 57 40.4.5 State variables ..................................................................................................................... 57 40.4.6 State Diagrams .................................................................................................................... 60 40.5 Management interface .............................................................................................................. 62 40.5.1 Support for Auto-Negotiation .............................................................................................. 62 40.5.2 MASTER-SLAVE configuration resolution........................................................................ 66 40.6 PMA electrical specifications................................................................................................... 68 40.6.1 PMA-to-MDI interface tests ................................................................................................ 68 40.7 Link segment characteristics .................................................................................................... 89 40.7.1 Cabling system characteristics ............................................................................................ 89 40.7.2 Link transmission parameters ............................................................................................. 89 40.7.3 Coupling parameters ........................................................................................................... 90 40.7.4 Delay ................................................................................................................................... 91 40.7.5 Noise environment .............................................................................................................. 91 40.8 MDI specification..................................................................................................................... 92 40.8.1 MDI connectors ................................................................................................................... 92 40.8.2 Crossover function .............................................................................................................. 93 40.8.3 MDI electrical specifications .............................................................................................. 94 40.9 Environmental specifications ................................................................................................... 96 40.9.1 General safety ...................................................................................................................... 96 40.9.2 Network safety .................................................................................................................... 96 40.9.3 Environment ........................................................................................................................ 97 40.10 PHY labeling............................................................................................................................ 97 40.11 Delay constraints...................................................................................................................... 97 40.11.1 MDI to GMII delay constraints ...................................................................................... 98 40.11.2 DTE delay constraints (half duplex only)........................................................................ 99 40.11.3 Carrier de-assertion/assertion constraint (half duplex mode).......................................... 99 viii Copyright © 1999 IEEE. All rights reserved.

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