Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 3: Standard for Ethernet — Amendment 11: Physical layer and management parameters for serial 25 Gb/s ethernet operation over single-mode fiber

Technologies de l'information — Télécommunications et échange d'information entre systèmes — Réseaux locaux et métropolitains — Prescriptions spécifiques — Partie 3: Norme pour Ethernet — Amendement 11: Paramètres de couche physique et de gestion pour le fonctionnement Ethernet en 25 Gb/s série sur fibre unimodale

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INTERNATIONAL ISO/IEC/
STANDARD IEEE
8802-3
Second edition
2017-03-01
AMENDMENT 11
2019-02
Information technology —
Telecommunications and information
exchange between systems — Local
and metropolitan area networks —
Specific requirements —
Part 3:
Standard for Ethernet
AMENDMENT 11: Physical layer and
management parameters for serial 25
Gb/s ethernet operation over single-
mode fiber
Technologies de l'information — Télécommunications et échange
d'information entre systèmes — Réseaux locaux et métropolitains —
Prescriptions spécifiques —
Partie 3: Norme pour Ethernet
AMENDEMENT 11: Paramètres de couche physique et de gestion pour
le fonctionnement Ethernet en 25 Gb/s série sur fibre unimodale
Reference number
ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
©
 IEEE 2018

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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)

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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
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IEEE Standards documents are developed within the IEEE Societies and the Standards
Coordinating Committees of the IEEE Standards Association (IEEE‐SA) Standards Board. The IEEE
develops its standards through a consensus development process, approved by the American
National Standards Institute, which brings together volunteers representing varied viewpoints and
interests to achieve the final product. Volunteers are not necessarily members of the Institute
and serve without compensation. While the IEEE administers the process and establishes rules to
promote fairness in the consensus development process, the IEEE does not independently evaluate,
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ISO/IEC/IEEE 8802‐3:2017/Amd.11 was prepared by the LAN/MAN of the IEEE Computer Society
(as IEEE Std 802.3cc‐2017) and drafted in accordance with its editorial rules. It was adopted, under
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iii

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IEEE Std 802.3cc™-2017
(Amendment to
IEEE Std 802.3™-2015
as amended by
IEEE Std 802.3bw™-2015, IEEE Std 802.3by™-2016,
IEEE Std 802.3bq™-2016, IEEE Std 802.3bp™-2016,
IEEE Std 802.3br™-2016, IEEE Std 802.3bn™-2016,
IEEE Std 802.3bz™-2016, IEEE Std 802.3bu™-2016,
IEEE Std 802.3bv™-2017, IEEE Std 802.3-2015/Cor 1-2017,
and IEEE Std 802.3bs™-2017)
IEEE Standard for Ethernet
Amendment 11: Physical Layer and Management
Parameters for Serial 25 Gb/s Ethernet Operation
Over Single-Mode Fiber
LAN/MAN Standards Committee
of the
IEEE Computer Society
Approved 6 December 2017
IEEE-SA Standards Board

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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
Abstract: This amendment to IEEE Std 802.3-2015 adds Physical Layer (PHY) specifications and
management parameters for 25 Gb/s operation over single-mode fiber at reaches of at least 10 km
(25GBASE-LR) and 40 km (25GBASE-ER).
Keywords: 25 Gb/s Ethernet, 25GBASE-ER, 25GBASE-LR, 25GBASE-SR, Energy Efficient
Ethernet (EEE), Ethernet, Forward Error Correction (FEC), IEEE 802.3™, IEEE 802.3by™, IEEE
802.3cc™, Physical Coding sublayer (PCS), Physical Medium Attachment (PMA) sublayer, Physi-
cal Medium Dependent (PMD) sublayer, Reconciliation sublayer (RS), single-mode fiber (SMF)
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Copyright © 2018 by The Institute of Electrical and Electronics Engineers, Inc.
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PDF: ISBN 978-1-5044-4547-4 STD22910
Print: ISBN 978-1-5044-4548-1 STDPD22910
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of the publisher.
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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
Participants
The following individuals were officers and members of the IEEE 802.3 working group at the beginning of
the IEEE P802.3cc working group ballot. Individuals may have not voted or may have voted for approval,
disapproval, or abstention on this amendment.
David J. Law, IEEE 802.3 Working Group Chair
Adam Healey, IEEE 802.3 Working Group Vice-Chair
Pete 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
David Lewis, IEEE P802.3cc 25 Gb/s Ethernet over Single-Mode Fiber Task Force Chair
Kohichi R. Tamura, IEEE P802.3cc 25 Gb/s Ethernet over Single-Mode Fiber Task Force Editor-in-Chief
John Dillard
Justin Abbott Chad Jones
David Abramson Chris Diminico Peter Jones
Shadi Abughazaleh Curtis Donahue Manabu Kagami
Mohammad Ahmed Dan Dove Upen Kareti
Dale Amason Mike Dudek
Keisuke Kawahara
Eric Baden Frank Effenberger Yasuaki Kawatsu
Amrik Bains Hesham Elbakoury Michael Kelsen
David Estes
Denis Beaudoin Yong Kim
Christian Beia John Ewen Eric Kimber
Vipul Bhatt Ramin Farjad Scott Kipp
Shahar Feldman
William Bliss Michael Klempa
Brad Booth James Fife Curtis Knittle
Martin Bouda Alan Flatman Shigeru Kobayashi
Matthias Fritsche
David Brandt Paul Kolesar
Ralf-Peter Braun Richard Frosch
Tom Kolze
Theodore Brillhart Andrew Gardner Glen Kramer
Paul Brooks Claude Gauthier Toshihiko Kusano
Ali Ghiasi
Alan Brown Hans Lackner
Matthew Brown Volker Goetzfried Mark Laubach
Phillip Brownlee Zhigang Gong Greg Le Cheminant
Steven Gorshe
Chris Bullock Han Hyub Lee
Jairo Bustos Heredia Robert Grow Jon Lewis
Adrian Butter Yong Guo Mike Peng Li
Francesco Caggioni Mark Gustlin Jane Lim
Anthony Calbone Marek Hajduczenia
Dekun Liu
Clark Carty Takehiro Hayashi Hai-Feng Liu
Craig Chabot Rajmohan Hegde Zhenyu Liu
David Hess
Geoffrey Chacon Simon William Lo
Mandeep Chadha Yasuo Hidaka Moiz Lokhandwala
David Chalupsky David Hoglund Miklos Lukacs
Rita Horner
Jacky Chang Kent Lusted
Xin Chang Bernd Horrmeyer Jeffery Maki
Weiying Cheng Xi Huang David Malicoat
Ahmad Chini Yasuhiro Hyakutake Arthur Marris
Jonathan Ingham
Keng Hua Chuang Takeo Masuda
Christopher R. Cole Kazuhiko Ishibe Kirsten Matheus
John D'Ambrosia Hideki Isono Erdem Matoglu
Tom Issenhuth
Yair Darshan Naoki Matsuda
Piers Dawe Kenneth Jackson Mick McCarthy
Fred Dawson Andrew Jimenez Brett Mcclellan
John Johnson
Eric DiBiaso Thomas Mcdermott
6
Copyright © 2018 IEEE. All rights reserved.
© IEEE 2018 – All rights reserved

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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
John McDonough Jorge Salinger Albert Tretter
Larry McMillan Sam Sambasivan
Stephen Trowbridge
Richard Mellitz Dieter Schicketanz
Yoshihiro Tsukamoto
Fred Schindler
Phil Miguelez
Ed Ulrichs
Hossein Sedarat
Bryan Moffitt
Alexander Umnov
Naoshi Serizawa
Paul Mooney
Sterling A. Vaden
Ron Muir Masood Shariff
Stefano Valle
Dale Murray Kapil Shrikhande
Paul Vanderlaan
Henry Muyshondt Tom Skaar
Robert Wagner
James Nadolny Jeff Slavick
Edward Nakamoto Daniel Smith Dylan Walker
Gary Nicholl Scott Sommers
Haifei Wang
Kevin Noll Yoshiaki Sone
Roy Wang
Mark Nowell Bryan Sparrowhawk
Tongtong Wang
David Ofelt Atul Srivastava
Xinyuan Wang
Tom Palkert Peter Stassar
Matthias Wendt
Heath Stewart
Sesha Panguluri
Oded Wertheim
Robert Stone
Earl Parsons
Natalie Wienckowski
Vasu Parthasarathy David Stover
Ludwig Winkel
Gerald Pepper Ken-Ichi Suzuki
Peter Wu
Ruben Perez De Aranda Alonso Steve Swanson
Michael Peters Andre Szczepanek Dayin Xu
Phong Pham William Szeto
Yu Xu
Jean Picard Bharat Tailor
Lennart Yseboodt
William Powell Takayuki Tajima
Hayato Yuki
Rick Rabinovich Tomoo Takahara
Andrew Zambell
Adee Ran Satoshi Takahashi
Qiwen Zhong
Alon Regev Geoffrey Thompson
Yan Zhuang
Pirooz Tooyserkani
Duane Remein
George Zimmerman
Victor Renteria Nathan Tracy
Helge Zinner
Salvatore Rotolo Matthew Traverso
Toshiaki Sakai David Tremblay Pavel Zivny
7
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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
The following members of the individual balloting committee voted on this amendment. Balloters may have
voted for approval, disapproval, or abstention.
Shadi Abughazaleh Werner Hoelzl Satoshi Obara
Rita Horner
Thomas Alexander Bansi Patel
Pete Anslow C Huntley
Arumugam Paventhan
Butch Anton Noriyuki Ikeuchi Michael Peters
Amrik Bains Osamu Ishida David Piehler
Ralf-Peter Braun Atsushi Ito Rick Pimpinella
Nancy Bravin Raj Jain R. K. Rannow
Theodore Brillhart SangKwon Jeong Alon Regev
Matthew Brown Peter Jones Maximilian Riegel
Demetrio Jr Bucaneg Manabu Kagami
Robert Robinson
Jairo Bustos Heredia Piotr Karocki Benjamin Rolfe
William Byrd Stuart Kerry Daniel Smith
Steven B. Carlson Yongbum Kim Thomas Starai
Juan Carreon Jonathan King Peter Stassar
Mandeep Chadha Paul Kolesar Walter Struppler
Keith Chow Mark Laubach Mitsutoshi Sugawara
David J. Law
Keng Hua Chuang Patricia Thaler
Charles Cook David Lewis
Geoffrey Thompson
Piers J. G. Dawe Jon Lewis Steven Tilden
Stephen Didde Elvis Maculuba David Tremblay
Michael Dudek Valerie Maguire Mark-Rene Uchida
Sourav Dutta Jeffery Maki Alexander Umnov
Matthias Fritsche Arthur Marris Paul Vanderlaan
Yukihiro Fujimoto Mick McCarthy Lorenzo Vangelista
Joel Goergen Brett Mcclellan
George Vlantis
Zhigang Gong Thomas Mcdermott Khurram Waheed
Eric W Gray Richard Mellitz Lisa Ward
Randall Groves Jeffrey Moore Andreas Wolf
Robert Grow Charles Moorwood Chun Yu Charles Wong
Michael Gundlach Michael Newman Peter Wu
Adam Healey Nick S.A. Nikjoo Jun Xu
Marco Hernandez
Paul Nikolich Oren Yuen
David Hess Mark Nowell Zhen Zhou
When the IEEE-SA Standards Board approved this amendment on 6 December 2017, it had the following
membership:
Jean-Philippe Faure, Chair
Gary Hoffman, Vice Chair
John D. Kulick, Past Chair
Konstantinos Karachalios, Secretary
Chuck Adams Thomas Kochy Robby Robson
Masayuki Ariyoshi Joseph L. Koepfinger* Dorothy Stanley
Ted Burse Kevin Lu Adrian Stephens
Daleep Mohla Mehmet Ulema
Stephen Dukes
Phil Wennblom
Damir Novosel
Doug Edwards
Ronald C. Petersen Howard Wolfman
J. Travis Griffith
Yu Yuan
Annette D. Reilly
Michael Janezic
*Member Emeritus
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ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
Introduction
This introduction is not part of IEEE Std 802.3cc-2017, IEEE Standard for Ethernet—Amendment 11: Physical
Layer and Management Parameters for Serial 25 Gb/s Ethernet Operation Over Single-Mode Fiber.
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 of
operation, and new capabilities have been added to IEEE Std 802.3. A full duplex MAC protocol was added
in 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 by
IEEE Std 802.3-2015 and are not maintained as separate documents.
At the publication date of IEEE Std 802.3cc-2017, IEEE Std 802.3 is composed of the following documents:
IEEE Std 802.3-2015
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 service
interfaces 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 Layer
specifications.
Section Three—Includes Clause 34 through Clause 43 and Annex 36A through Annex 43C. Section
Three includes general information on 1000 Mb/s operation as well as most of the 1000 Mb/s Physical
Layer specifications.
Section Four—Includes Clause 44 through Clause 55 and Annex 44A through Annex 55B. Section
Four includes general information on 10 Gb/s operation as well as most of the 10 Gb/s Physical Layer
specifications.
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 defines
services and protocol elements that enable the exchange of IEEE Std 802.3 format frames between
9
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---------------------- Page: 12 ----------------------
ISO/IEC/IEEE 8802-3:2017/Amd.11:2019(E)
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 electrical
backplanes 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 Ethernet
support for time s
...

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