IEEE Std 802.3
™
-2008
(Revision of IEEE Std 802.3-2005)
IEEE 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
IEEE
3 Park Avenue
New York, NY 10016-5997, USA
26 December 2008
IEEE Computer Society
Sponsored by the
LAN/MAN Standards Committee
802.3
TM
IEEE Std 802.3
™
-2008
(Revision of IEEE Std 802.3-2005)
IEEE 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
Sponsor
LAN/MAN Standards Committee
of the
IEEE Computer Society
Approved 26 September 2008
IEEE-SA Standards Board
Abstract: Ethernet local area network operation is specified for selected speeds of operation from
1 Mb/s to 10 Gb/s using a common media access control (MAC) specification and management
information base (MIB). The Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
MAC protocol specifies shared medium (half duplex) operation, as well as full duplex operation.
Speed specific Media Independent Interfaces (MIIs) allow use of selected Physical Layer devices
(PHY) for operation over coaxial, twisted pair or fiber optic cables. System considerations for
multisegment shared access networks describe the use of Repeaters which are defined for
operational speeds up to 1000 Mb/s. Local Area Network (LAN) operation is supported at all
speeds. Other specified capabilities include: various PHY types for access networks, PHYs
suitable for metropolitan area network applications, and the provision of power over selected
twisted pair PHY types.
Keywords: 10BASE; 100BASE; 1000BASE; 10GBASE; 10 Gigabit Ethernet; attachment unit
interface; AUI; Auto Negotiation; data processing; DTE Power via the MDI; EPON; Ethernet;
Ethernet in the First Mile; Ethernet passive optical network; Fast Ethernet; Gigabit Ethernet; GMII;
information exchange; local area network; management; medium dependent interface; media
independent interface; MDI; MIB; MII; XGMII; PHY; physical coding sublayer; Physical Layer;
physical medium attachment; PMA; Power over Ethernet; repeater; type field; VLAN TAG
The Institute of Electrical and Electronics Engineers, Inc.
3 Park Avenue, New York, NY 10016-5997, USA
Copyright © 2008 by the Institute of Electrical and Electronics Engineers, Inc.
All rights reserved. Published 26 December 2008. Printed in the United States of America.
IEEE and 802 are registered trademarks in the U.S. Patent & Trademark Office, owned by The Institute of Electrical and
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Third Printing: 22
June 2010. Correction on page 743 (subclause 31B3.2.6), corrigendum in Section Two of 31B.3.7 and
31B 4.6, and a correction to the subcluase number (31B.3.3) is included in this printing.
PDF: ISBN 973-07381-5796-2 STD95819
Print: ISBN 973-07381-5797-9 STDPD95819
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