netman 2008-4-13 22:33
IEEE 802.3-2005_section2
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【语言】：English
【页数】： 810
【何人（公司）所著】：IEEE
【文件格式】： PDF
【文件原名】：
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
SECTION TWO: This section includes Clause 21 through Clause 33 and Annex 22A through
Annex 32A.
SECTION TWO
21. Introduction to 100 Mb/s baseband networks, type 100BASE-T ........................................................ 1
21.1 Overview................................................................................................................................... 1
21.2 References................................................................................................................................. 3
21.3 Definitions................................................................................................................................. 3
21.4 Abbreviations............................................................................................................................ 3
xviii Copyright © 2005 IEEE. All rights reserved.
21.5 State diagrams........................................................................................................................... 3
21.6 Protocol implementation conformance statement (PICS) proforma.......................................... 5
21.7 Relation of 100BASE-T to other standards ............................................................................... 7
21.8 MAC delay constraints (exposed MII) ...................................................................................... 8
22. Reconciliation Sublayer (RS) and Media Independent Interface (MII)............................................... 9
22.1 Overview.................................................................................................................................... 9
22.2 Functional specifications .......................................................................................................... 11
22.3 Signal timing characteristics..................................................................................................... 38
22.4 Electrical characteristics ........................................................................................................... 41
22.5 Power supply ............................................................................................................................ 45
22.6 Mechanical characteristics........................................................................................................ 45
22.7 Protocol implementation conformance statement (PICS) proforma for Clause 22,
Reconciliation Sublayer (RS) and Media Independent Interface (MII) ................................... 48
23. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband
medium, type 100BASE-T4............................................................................................................... 59
23.1 Overview ................................................................................................................................. 59
23.2 PCS functional specifications .................................................................................................. 63
23.3 PMA service interface.............................................................................................................. 77
23.4 PMA functional specifications................................................................................................. 82
23.5 PMA electrical specifications .................................................................................................. 89
23.6 Link segment characteristics .................................................................................................. 103
23.7 MDI specification.................................................................................................................. 107
23.8 System considerations............................................................................................................ 108
23.9 Environmental specifications ................................................................................................. 109
23.10 PHY labeling......................................................................................................................... 111
23.11 Timing summary .................................................................................................................... 111
23.12 Protocol implementation conformance statement (PICS) proforma for Clause 23, Physical
Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer, and baseband medium,
type 100BASE-T4.................................................................................................................. 122
24. Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type
100BASE-X.................................................................................................................................... 137
24.1 Overview................................................................................................................................ 137
24.2 Physical Coding Sublayer (PCS) ............................................................................................ 142
24.3 Physical Medium Attachment (PMA) sublayer...................................................................... 155
24.4 Physical Medium Dependent (PMD) sublayer service interface............................................ 166
24.5 Compatibility considerations .................................................................................................. 168
24.6 Delay constraints .................................................................................................................... 168
24.7 Environmental specifications.................................................................................................. 170
24.8 Protocol implementation conformance statement (PICS) proforma for Clause 24,
Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer,
type 100BASE-X .................................................................................................................... 171
25. Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-TX........... 175
25.1 Overview ............................................................................................................................... 175
25.2 Functional specifications ........................................................................................................ 175
25.3 General exceptions ................................................................................................................. 175
25.4 Specific requirements and exceptions .................................................................................... 176
Copyright © 2005 IEEE. All rights reserved. xix
25.5 Protocol implementation conformance statement (PICS) proforma for Clause 25,
Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-TX . 180
26. Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-FX........... 183
26.1 Overview................................................................................................................................ 183
26.2 Functional specifications ........................................................................................................ 183
26.3 General exceptions.................................................................................................................. 183
26.4 Specific requirements and exceptions .................................................................................... 184
26.5 Protocol implementation conformance statement (PICS) proforma for Clause 26,
Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-FX.. 185
27. Repeater for 100 Mb/s baseband networks...................................................................................... 187
27.1 Overview ............................................................................................................................... 187
27.2 PMA interface messages ........................................................................................................ 189
27.3 Repeater functional specifications.......................................................................................... 189
27.4 Repeater electrical specifications ........................................................................................... 208
27.5 Environmental specifications ................................................................................................. 208
27.6 Repeater labeling .................................................................................................................... 210
27.7 Protocol implementation conformance statement (PICS) proforma for Clause 27,
Repeater for 100 Mb/s baseband networks ............................................................................ 211
28. Physical Layer link signaling for 10 Mb/s, 100 Mb/s, and 1000 Mb/s Auto-Negotiation on
twisted pair.......................................................................................................................................221
28.1 Overview................................................................................................................................ 221
28.2 Functional specifications ........................................................................................................ 224
28.3 State diagrams and variable definitions .................................................................................. 243
28.4 Electrical specifications .......................................................................................................... 256
28.5 Protocol implementation conformance statement (PICS) proforma for Clause 28,
Physical Layer link signaling for 10 Mb/s, 100 Mb/s, and 1000 Mb/s
Auto-Negotiation on twisted pair ........................................................................................... 257
28.6 Auto-Negotiation expansion................................................................................................... 271
29. System considerations for multisegment 100BASE-T networks..................................................... 273
29.1 Overview ............................................................................................................................... 273
29.2 Transmission System Model 1 ............................................................................................... 275
29.3 Transmission System Model 2 ............................................................................................... 275
29.4 Full duplex 100 Mb/s topology limitations ............................................................................ 280
30. Management.................................................................................................................................... 281
30.1 Overview............................................................................................................................... 281
30.2 Managed objects .................................................................................................................... 284
30.3 Layer management for DTEs................................................................................................. 308
30.4 Layer management for 10, 100, and 1000 Mb/s baseband repeaters..................................... 347
30.5 Layer management for 10 Mb/s, 100 Mb/s, 1000 Mb/s and 10 Gb/s medium attachment
units (MAUs) ......................................................................................................................... 358
30.6 Management for link Auto-Negotiation................................................................................. 367
30.7 Management for Link Aggregation ....................................................................................... 370
30.8 Management for WAN Interface Sublayer (WIS) ................................................................. 394
30.9 Management for Power Sourcing Equipment (PSE) ............................................................. 401
xx Copyright © 2005 IEEE. All rights reserved.
30.10 Layer management for Midspan ............................................................................................ 404
30.11 Layer Management for Physical Medium Entity (PME)....................................................... 406
31. MAC Control .................................................................................................................................. 415
31.1 Overview ............................................................................................................................... 415
31.2 Layer architecture................................................................................................................... 415
31.3 Support by interlayer interfaces ............................................................................................. 415
31.4 MAC Control frames.............................................................................................................. 417
31.5 Opcode-independent MAC Control sublayer operation ........................................................ 418
31.6 Compatibility requirements.................................................................................................... 420
31.7 MAC Control client behavior................................................................................................. 421
31.8 Protocol implementation conformance statement (PICS) proforma for Clause 31,
MAC Control ......................................................................................................................... 422
32. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and
baseband medium, type 100BASE-T2............................................................................................. 425
32.1 Overview ............................................................................................................................... 425
32.2 PHY Control functional specifications and service interface................................................. 430
32.3 PCS functional specifications................................................................................................. 435
32.4 PMA functional specifications and service interface ............................................................. 450
32.5 Management functions ........................................................................................................... 457
32.6 PMA electrical specifications................................................................................................. 464
32.7 Link segment characteristics .................................................................................................. 487
32.8 MDI specification.................................................................................................................. 493
32.9 System considerations ............................................................................................................ 494
32.10Environmental specifications ................................................................................................. 494
32.11PHY labeling .......................................................................................................................... 496
32.12Delay constraints .................................................................................................................... 496
32.13Protocol implementation conformance statement (PICS) proforma for Clause 32,
Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and
baseband medium, type 100BASE-T2 ................................................................................... 498
33. Data Terminal Equipment (DTE) Power via Media Dependent Interface (MDI) ........................... 519
33.1 Overview ............................................................................................................................... 519
33.2 Power sourcing equipment ..................................................................................................... 521
33.3 Powered devices ..................................................................................................................... 540
33.4 Additional electrical specifications ........................................................................................ 548
33.5 Environmental ........................................................................................................................ 557
33.6 Management function requirements ....................................................................................... 558
33.7 Protocol implementation conformance statement (PICS) proforma for Clause 33, DTE
Power via MDI ....................................................................................................................... 563
Annex 22A (informative) MII output delay, setup, and hold time budget .................................................. 577
Annex 22B (informative) MII driver ac characteristics............................................................................... 580
Annex 22C (informative) Measurement techniques for MII signal timing characteristics ......................... 582
Annex 22D (informative) Clause 22 access to Clause 45 MMD registers .................................................. 585
Annex 23A (normative) 6T codewords ....................................................................................................... 587
Copyright © 2005 IEEE. All rights reserved. xxi
Annex 23B (informative) Noise budget....................................................................................................... 589
Annex 23C (informative) Use of cabling systems with a nominal differential characteristic impedance
of 120 W ................................................................................................................................... 590
Annex 27A (normative) Repeater delay consistency requirements............................................................. 593
Annex 28A (normative) Selector Field definitions...................................................................................... 595
Annex 28B (normative) IEEE 802.3 Selector Base Page definition .......................................................... 596
Annex 28C (normative) Next Page Message Code Field definitions .......................................................... 599
Annex 28D (normative) Description of extensions to Clause 28 and associated annexes .......................... 602
Annex 29A (informative) DTE and repeater delay components ................................................................. 605
Annex 29B (informative) Recommended topology documentation............................................................ 606
Annex 30A (normative) GDMO specification for IEEE 802.3 managed object classes............................. 607
Annex 30B (normative) GDMO and ASN.1 definitions for management .................................................. 715
Annex 30C (normative) SNMP MIB definitions for Link Aggregation...................................................... 728
Annex 31A (normative) MAC Control opcode assignments....................................................................... 759
Annex 31B (normative) MAC Control PAUSE operation .......................................................................... 763
Annex 32A (informative) Use of cabling systems with nominal differential characteristic impedance
of 120 W or 150 W .................................................................................................................... 773
Annex 33A (informative) PSE detection of PDs ......................................................................................... 775
Annex 33B (informative) Cabling guidelines.............................................................................................. 778
Annex 33C (informative) Recommended test configurations and procedures............................................ 779
Annex 33D (informative) PSE-PD stability ................................................................................................ 806
Annex 33E (informative) Cabling resistance unbalance ............................................................................. 809
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