Physical layer specifications and management parameters for 2.5 Gb/s and 5 Gb/s operation over backplane
Spécifications de la couche physique et paramètres de gestion pour fonctionnement à 2,5 Gb/s et 5 Gb/s sur fond de panier
Standards Content (sample)
ISO/IEC JTC 1/SC 6
Telecommunications and exchange
between information technology
Voting begins on:
2021-06-24 systems — Requirements for local and
metropolitan area networks —
Voting terminates on:
Standard for Ethernet
Télécommunications et échange entre systèmes informatiques —
Exigences pour les réseaux locaux et métropolitains —
Partie 3: Norme pour Ethernet
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/IEC/IEEE 8802-3:2021/FDAM 1:2021(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. IEEE 2019
---------------------- Page: 1 ----------------------
ISO/IEC/IEEE 8802-3:2021/FDAM 1:2021(E)
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---------------------- Page: 2 ----------------------
ISO/IEC/IEEE 8802-3:2021/FDAM 1:2021(E)
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---------------------- Page: 3 ----------------------
IEEE Std 802.3cb™-2018
(Amendment to IEEE Std 802.3™-2018)
IEEE Standard for Ethernet
Physical Layer Specifications
and Management Parameters
for 2.5 Gb/s and 5 Gb/s Operation
LAN/MAN Standards Committee
IEEE Computer Society
Approved 27 September 2018
IEEE-SA Standards Board
---------------------- Page: 4 ----------------------
Abstract: Ethernet Media Access Control (MAC) parameters, Physical Layer specifications, and
management objects for the serial transfer of Ethernet format frames at 2.5 Gb/s and 5 Gb/s overelectrical backplanes are defined in this amendment to IEEE Std 802.3-2018.
Keywords: 2.5 Gigabit Ethernet, 5 Gigabit Ethernet, 2.5GBASE-KX, 2.5GBASE-X, 5GBASE-KR,
5GBASE-R, amendment, AN, Auto-Negotiation, Backplane Ethernet, BASE-R, BASE-X, EEE,Energy Efficient Ethernet, Ethernet, IEEE 802.3™, IEEE 802.3cb™
The Institute of Electrical and Electronics Engineers, Inc.
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All rights reserved. Published 4 January 2019. Printed in the United States of America.
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PDF: ISBN 978-1-5044-5278-6 STD23391
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---------------------- Page: 5 ----------------------
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---------------------- Page: 8 ----------------------
The following individuals were officers and members of the IEEE 802.3 Working Group at the beginning ofthe IEEE P802.3cb Working Group ballot.
David J. Law, IEEE 802.3 Working Group Chair
Adam Healey, IEEE 802.3 Working Group Vice-Chair
Peter Anslow, IEEE 802.3 Working Group Secretary
Steven B. Carlson, IEEE 802.3 Working Group Executive Secretary
Valerie Maguire, IEEE 802.3 Working Group Treasurer
Yong Kim, IEEE P802.3cb Task Force Chair, Phase 1*
Daniel F. Smith, IEEE P802.3cb Task Force Chair, Phase 2
William Lo, IEEE P802.3cb Task Force Editor-in-Chief, Phase 1
Daniel F. Smith, IEEE P802.3cb Task Force Editor-in-Chief, Phase 2
Jim Hatfield, IEEE P802.3cb Task Force Editor, Phase 2*
John Dillard Upen Kareti
David Abramson Daniel Dillow Keisuke Kawahara
Shadi Abughazaleh Thuyen Dinh Yasuaki Kawatsu
Mohammad Ahmed Curtis Donahue Michael Kelsen
Eric Baden Dan Dove
Amrik Bains Mike Dudek
Thananya Baldwin David Dwelley
Denis Beaudoin Frank Effenberger
Christian Beia Hesham Elbakoury
Michael Bennett David Estes
Vipul Bhatt John Ewen
William Bliss Ramin Farjad
Brad Booth Shahar Feldman
Martin Bouda James Fife
Ralf-Peter Braun Alan Flatman
Han Hyub Lee
Theodore Brillhart Matthias Fritsche
Paul Brooks Richard Frosch
Alan Brown Andrew Gardner
Mike Peng Li
Matthew Brown Claude Gauthier
Chris Bullock Ali Ghiasi
Jairo Bustos Heredia Joel Goergen
Adrian Butter Volker Goetzfried
Francesco Caggioni Zhigang Gong
Anthony Calbone Steven Gorshe
Clark Carty Robert Grow
Geoffrey Chacon Simon
David Chalupsky Yasuo Hidaka
Jacky Chang Rita Horner
Xin Chang Bernd Horrmeyer
Ahmad Chini Victor Hou
Keng Hua Chuang Yasuhiro Hyakutake
Christopher R. Cole Hideki Isono
John D'Ambrosia Tom Issenhuth
Yair Darshan Kenneth Jackson
Piers Dawe Andrew Jimenez
Fred Dawson Chad Jones
Wael Diab Peter Jones
Eric DiBiaso Manabu Kagami
* Not a member of the IEEE 802.3 working group at the beginning of the working group ballot.Copyright © 2019 IEEE. All rights reserved.
---------------------- Page: 9 ----------------------
Dale Murray Sam Sambasivan Pirooz Tooyserkani
Henry Muyshondt Edward Sayre Albert Tretter
James Nadolny Dieter Schicketanz Stephen Trowbridge
Edward Nakamoto Fred Schindler
Gary Nicholl Hossein Sedarat
Kevin Noll Naoshi Serizawa
Mark Nowell Masood Shariff
Sterling A. Vaden
David Ofelt Stefano Valle
Thomas Palkert Paul Vanderlaan
Hui Pan Robert Wagner
Sesha Panguluri Scott Sommers Dylan Walker
Vasu Parthasarathy Yoshiaki Sone Haifei Wang
Petar Pepeljugoski Tom Souvignier Roy Wang
Gerald Pepper Peter Stassar Tongtong Wang
Ruben Perez De Aranda Alonso Heath Stewart Xinyuan Wang
Michael Peters Robert Stone Matthias Wendt
Phong Pham David Stover Oded Wertheim
Jean Picard Junqing Sun Natalie Wienckowski
William Powell Ken-Ichi Suzuki Ludwig Winkel
Rick Rabinovich Steve Swanson Peter Wu
Adee Ran Andre Szczepanek Dayin Xu
Alon Regev William Szeto Yu Xu
Duane Remein Bharat Tailor Jun Yi
Victor Renteria Takayuki Tajima Lennart Yseboodt
Christopher Roth Satoshi Takahashi Hayato Yuki
Salvatore Rotolo Kohichi Tamura Andrew Zambell
Toshiaki Sakai Brian Teipen Yan Zhuang
Jorge Salinger Geoffrey Thompson George Zimmerman
The following members of the individual balloting committee voted on this amendment. Balloters may havevoted for approval, disapproval, or abstention.
Shadi Abughazaleh Marco Hernandez Thomas Palkert
David Hess Bansi Patel
Peter Anslow Werner Hoelzl Arumugam Paventhan
Butch Anton Rita Horner Michael Peters
Amrik Bains C. Huntley Rick Pimpinella
Noriyuki Ikeuchi Adee Ran
Nancy Bravin Atsushi Ito Alon Regev
Theodore Brillhart Raj Jain Maximilian Riegel
Matthew Brown SangKwon Jeong Robert Robinson
Piotr Karocki Benjamin Rolfe
Jairo Bustos Heredia Stuart Kerry Daniel F. Smith
William Byrd Yong Kim Thomas Starai
Steven B. Carlson Mark Laubach Walter Struppler
David J. Law
Juan Carreon Mitsutoshi Sugawara
Mandeep Chadha Jon Lewis Junqing Sun
Keith Chow Mike Peng Li Geoffrey Thompson
Keng Hua Chuang Elvis Maculuba Michael Thompson
Charles Cook Valerie Maguire
Rodney Cummings Jeffery Maki David Tremblay
Sourav Dutta Arthur Marris Mark-Rene Uchida
Michael Fischer Mick McCarthy Alexander Umnov
Matthias Fritsche Brett McClellan Paul Vanderlaan
Yukihiro Fujimoto Thomas McDermott George Vlantis
Zhigang Gong Larry McMillan Khurram Waheed
James Graba Richard Mellitz Lisa Ward
Eric W. Gray Charles Moorwood Karl Weber
Randall Groves Michael Newman Andreas Wolf
Robert Grow Nick S. A. Nikjoo Peter Wu
Michael Gundlach Paul Nikolich Jun Xu
Marek Hajduczenia Satoshi Obara Oren Yuen
Adam Healey Zhen Zhou
Copyright © 2019 IEEE. All rights reserved.
---------------------- Page: 10 ----------------------
When the IEEE-SA Standards Board approved this amendment on 27 September 2018, it had the followingmembership:
Jean-Philippe Faure, Chair
Gary Hoffman, Vice Chair
John D. Kulick, Past Chair
Konstantinos Karachalios, Secretary
Xiaohui Liu Robby Robson
Guido R. Hiertz Kevin Lu Dorothy Stanley
Christel Hunter Daleep Mohla Mehmet Ulema
Joseph L. Koepfinger* Andrew Myles Phil Wennblom
Thomas Koshy Paul Nikolich Philip Winston
Hung Ling Ronald C. Petersen
Annette D. Reilly Jingyi Zhou
Copyright © 2019 IEEE. All rights reserved.
---------------------- Page: 11 ----------------------
This introduction is not part of IEEE Std 802.3cb-2018, IEEE Standard for Ethernet—Amendment 1: Physical Laye r
Specifications and Management Parameters for 2.5 Gb/s and 5 Gb/s Operation over Backplane.
IEEE Std 802.3™ was first published in 1985. Since the initial publication, many projects have added
functionality or provided maintenance updates to the specifications and text included in the standard. Each
IEEE 802.3 project/amendment is identified with a suffix (e.g., IEEE Std 802.3ba™-2010).
The half duplex Media Access Control (MAC) protocol specified in IEEE Std 802.3-1985 is Carrier Sense
Multiple Access with Collision Detection (CSMA/CD). This MAC protocol was key to the experimental
Ethernet developed at Xerox Palo Alto Research Center, which had a 2.94 Mb/s data rate. Ethernet at
10 Mb/s was jointly released as a public specification by Digital Equipment Corporation (DEC), Intel and
Xerox in 1980. Ethernet at 10 Mb/s was approved as an IEEE standard by the IEEE Standards Board in 1983
and subsequently published in 1985 as IEEE Std 802.3-1985. Since 1985, new media options, new speeds o f
operation, and new capabilities have been added to IEEE Std 802.3. A full duplex MAC protocol was addedin 1997.
Some of the major additions to IEEE Std 802.3 are identified in the marketplace with their project number.
This is most common for projects adding higher speeds of operation or new protocols. For example,
IEEE Std 802.3u™ added 100 Mb/s operation (also called Fast Ethernet), IEEE Std 802.3z added 1000 Mb/s
operation (also called Gigabit Ethernet), IEEE Std 802.3ae added 10 Gb/s operation (also called 10 Gigabit
Ethernet), IEEE Std 802.3ah™ specified access network Ethernet (also called Ethernet in the First Mile) and
IEEE Std 802.3ba added 40 Gb/s operation (also called 40 Gigabit Ethernet) and 100 Gb/s operation (also
called 100 Gigabit Ethernet). These major additions are all now included in and are superseded byIEEE Std 802.3-2018 and are not maintained as separate documents.
At the date of publication for IEEE Std 802.3cb-2018, IEEE Std 802.3 was composed of the followingdocuments:
IEEE Std 802.3-2018
Section One—Includes Clause 1 through Clause 20 and Annex A through Annex H and Annex 4A.
Section One includes the specifications for 10 Mb/s operation and the MAC, frame formats and servic einterfaces used for all speeds of operation.
Section Two—Includes Clause 21 through Clause 33 and Annex 22A through Annex 33E. Section
Two includes management attributes for multiple protocols and speed of operation as well as
specifications for providing power over twisted pair cabling for multiple operational speeds. It also
includes general information on 100 Mb/s operation as well as most of the 100 Mb/s Physical Layerspecifications.
Section Three—Includes Clause 34 through Clause 43 and Annex 36A through Annex 43C. Sectio n
Three includes general information on 1000 Mb/s operation as well as most of the 1000 Mb/s PhysicalLayer specifications.
Section Four—Includes Clause 44 through Clause 55 and Annex 44A through Annex 55B. Sectio n
Four includes general information on 10 Gb/s operation as well as most of the 10 Gb/s Physical Layerspecifications.
Section Five—Includes Clause 56 through Clause 77 and Annex 57A through Annex 76A. Clause 56
through Clause 67 and Clause 75 through Clause 77, as well as associated annexes, specify subscriber
access and other Physical Layers and sublayers for operation from 512 kb/s to 10 Gb/s, and definesCopyright © 2019 IEEE. All rights reserved.
---------------------- Page: 12 ----------------------
services and protocol elements that enable the exchange of IEEE Std 802.3 format frames between
stations in a subscriber access network. Clause 68 specifies a 10 Gb/s Physical Layer specification.
Clause 69 through Clause 74 and associated annexes specify Ethernet operation over electricalbackplanes at speeds of 1000 Mb/s and 10 Gb/s.
Section Six—Includes Clause 78 through Clause 95 and Annex 83A through Annex 93C. Clause 78
specifies Energy-Efficient Ethernet. Clause 79 specifies IEEE 802.3 Organizationally Specific Link
Layer Discovery Protocol (LLDP) type, length, and value (TLV) information elements. Clause 80
through Clause 95 and associated annexes includes general information on 40 Gb/s and 100 Gb/s
operation as well the 40 Gb/s and 100 Gb/s Physical Layer specifications. Clause 90 specifies Ethernetsupport for time synchronization protocols.
Section Seven—Includes Clause 96 through Clause 115 and Annex 97A through Annex 115A.
Clause 96 through Clause 98, Clause 104, and associated annexes, specify Physical Layers and
optional features for 100 Mb/s and 1000 Mb/s operation over a single twisted pair. Clause 100 throug h
Clause 103, as well as associated annexes, specify Physical Layers for the operation of the EPON
protocol over coaxial distribution networks. Clause 105 through Clause 114 and associated annexes
include general information on 25 Gb/s operation as well as 25 Gb/s Physical Layer specifications.
Clause 99 specifies a MAC merge sublayer for the interspersing of express traffic. Clause 115 and its
associated annex specify a Physical Layer for 1000 Mb/s operation over plastic optical fiber.Section Eight—Includes Clause 116 through Clause 126 a