IEEE 802.3ap-2007

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IEEE Standard for Information technology– Local and metropolitan area networks– Specific requirements– Part 3: CSMA/CD Access Method and Physical Layer Specifications – Amendment: Ethernet Operation Over Electrical Backplanes

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IEEE	2007	203

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Description

Amendment Standard – Superseded. This amendment to IEEE Std 802.3-2005 includes the new Clause 69 through Clause 74. Clause 69 provides an overview of Ethernet operation over electrical backplanes. Clause 70 through Clause 72 define three new PMDs developed for operation over electrical backplanes. 1000BASE-KX specifies 1 Gb/s serial operation, 10GBASE-KX4 specifies 10 Gb/s 4-lane operation, and 10GBASE-KR specifies 10 Gb/s serial operation. Clause 73 specifies an Auto-Negotiation function for use over electrical backplanes. Finally, Clause 74 specifies an optional forward error correction (FEC) sublayer for 10GBASE-R PHYs for improved link performance.

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PDF Pages	PDF Title
1	IEEE Amendment to CSMA/CD–Amendment 4: Ethernet Operation over Electrical Backplanes
3	Title page
6	Introduction
7	Notice to users
8	Participants
12	List of special symbols
13	CONTENTS
20	1. Introduction 1.4 Definitions 1.5 Abbreviations
21	30. Management 30.2.5 Capabilities 30.3.2.1.3 aPhyTypeList 30.5.1.1.2 aMAUType
22	30.5.1.1.13 aFECAbility 30.5.1.1.14 aFECmode 30.5.1.1.15 aFECCorrectedBlocks
23	30.5.1.1.16 aFECUncorrectableBlocks 30.6.1.1.3 aAutoNegRemoteSignaling 30.6.1.1.4 aAutoNegAutoConfig 30.6.1.1.5 aAutoNegLocalTechnologyAbility
24	30.6.1.1.6 aAutoNegAdvertisedTechnologyAbility 30.6.1.1.7 aAutoNegReceivedTechnologyAbility 30.6.1.1.8 aAutoNegLocalSelectorAbility 30.6.1.1.9 aAutoNegAdvertisedSelectorAbility 30.6.1.1.10 aAutoNegReceivedSelectorAbility
25	36. Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type 1000BASE-X 36.2.5.2.7 Auto-Negotiation process 36.7 Protocol implementation conformance statement (PICS) proforma for Clause 36, Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type 1000BASE-X 36.7.4.3 State diagrams
27	45. Management Data Input/Output (MDIO) interface 45.2.1 PMA/PMD registers 45.2.1.1 PMA/PMD control 1 register (Register 1.0)
28	45.2.1.1.1 Speed selection (1.0.13, 1.0.6, 1.0.5:2) 45.2.1.1.2 PMA loopback (1.0.0)
29	45.2.1.7.4 Transmit fault (1.8.11) 45.2.1.7.5 Receive fault (1.8.10) 45.2.1.8 10G PMA/PMD transmit disable register (Register 1.9)
30	45.2.1.10.3 1000BASE-KX ability (1.11.6) 45.2.1.10.5 10GBASE-KR ability (1.11.4) 45.2.1.10.6 10GBASE-KX4 ability (1.11.3)
31	45.2.1.76 10GBASE-KR PMD control register (Register 1.150) 45.2.1.76.1 Restart training (1.150.0) 45.2.1.76.2 Training enable (1.150.1) 45.2.1.77 10GBASE-KR PMD status register (Register 1.151)
32	45.2.1.77.1 Receiver status (1.151.0) 45.2.1.77.2 Frame lock (1.151.1) 45.2.1.77.3 Start-up protocol status (1.151.2) 45.2.1.77.4 Training failure (1.151.3) 45.2.1.78 10GBASE-KR LP coefficient update register (Register 1.152) 45.2.1.78.1 Preset (1.152.13) 45.2.1.78.2 Initialize (1.152.12)
33	45.2.1.78.3 Coefficient (k) update (1.152.5:0) 45.2.1.79 10GBASE-KR LP status report register (Register 1.153)
34	45.2.1.79.1 Receiver ready (1.153.15) 45.2.1.79.2 Coefficient (k) status (1.153.5:0) 45.2.1.80 10GBASE-KR LD coefficient update register (Register 1.154) 45.2.1.80.1 Preset (1.154.13) 45.2.1.80.2 Initialize (1.154.12)
35	45.2.1.80.3 Coefficient (k) update (1.154.5:0) 45.2.1.81 10GBASE-KR LD status report register (Register 1.155)
36	45.2.1.81.1 Receiver ready (1.155.15) 45.2.1.81.2 Coefficient (k) status (1.155.5:0)
37	45.2.1.82 1000BASE-KX control register (Register 1.160) 45.2.1.82.1 PMD transmit disable (1.160.0) 45.2.1.83 1000BASE-KX status register (Register 1.161)
38	45.2.1.83.1 PMD transmit fault ability (1.161.13) 45.2.1.83.2 PMD receive fault ability (1.161.12) 45.2.1.83.3 PMD transmit fault (1.161.11) 45.2.1.83.4 PMD receive fault (1.161.10) 45.2.1.83.5 PMD transmit disable ability (1.161.8) 45.2.1.83.6 1000BASE-KX signal detect (1.161.0)
39	45.2.1.84 10GBASE-R FEC ability register (Register 1.170) 45.2.1.84.1 10GBASE-R FEC ability (1.170.0) 45.2.1.84.2 10GBASE-R FEC error indication ability (1.170.1) 45.2.1.85 10GBASE-R FEC control register (Register 1.171)
40	45.2.1.85.1 FEC enable (1.171.0) 45.2.1.85.2 FEC enable error indication (1.171.1) 45.2.1.86 10GBASE-R FEC corrected blocks counter (Register 1.172, 1.173) 45.2.1.87 10GBASE-R FEC uncorrected blocks counter (Register 1.174, 1.175)
41	45.2.7 Auto-Negotiation registers
42	45.2.7.2 AN status (Register 7.1) 45.2.7.2.1 Parallel detection fault (7.1.9) 45.2.7.2.2 Page received (7.1.6)
43	45.2.7.6 AN advertisement register (7.16, 7.17, 7.18)
44	45.2.7.7 AN LP base page ability register (7.19, 7.20, 7.21) 45.2.7.8 AN XNP transmit register (7.22, 7.23, 7.24)
45	45.2.7.9 AN LP XNP ability register (7.25, 7.26, 7.27)
46	45.2.7.12 Backplane Ethernet status (Register 7.48) 45.2.7.12.1 10GBASE-KR FEC negotiated (7.48.4)
47	45.2.7.12.2 Negotiated Port Type (7.48.1, 7.48.2, 7.48.3) 45.2.7.12.3 Backplane Ethernet AN ability (7.48.0)
48	45.5 Protocol implementation conformance statement (PICS) proforma for Clause 45, MDIO interface 45.5.3 PICS proforma tables for Management Data Input Output (MDIO) interface 45.5.3.2 PMA/PMD MMD options
49	45.5.3.3 PMA/PMD management functions 45.5.3.8 Auto-Negotiation options
50	45.5.3.9 Auto-Negotiation management functions
51	48. Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type 10GBASE-X 48.2.7 Auto-Negotiation for Backplane Ethernet 48.7 Protocol implementation conformance statement (PICS) proforma for Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type 10GBASE-X 48.7.4.2 PCS functions
52	49. Physical Coding Sublayer (PCS) for 64B/66B, type 10GBASE-R 49.2.16 Auto-Negotiation for Backplane Ethernet 49.3 Protocol implementation conformance statement (PICS) proforma for Clause 49, Physical Coding Sublayer (PCS) type 10GBASE-R 49.3.6.5 Auto-Negotiation for Backplane Ethernet functions
53	Annex A (informative) Bibilography Annex 30B (normative) GDMO and ASN.1 definitions for management 30B.2 ASN.1 module for CSMA/CD managed objects
55	69. Introduction to Ethernet operation over electrical backplanes 69.1 Overview 69.1.1 Scope 69.1.2 Objectives
56	69.1.3 Relationship of Backplane Ethernet to the ISO/IEC Open System Interconnection (OSI) reference model
57	69.2 Summary of Backplane Ethernet Sublayers 69.2.1 Reconciliation sublayer and media independent interfaces 69.2.2 Management interface 69.2.3 Physical Layer signaling systems
58	69.2.4 Auto-Negotiation 69.2.5 Management 69.3 Delay constraints
59	69.4 State diagrams 69.5 Protocol implementation conformance statement (PICS) proforma
61	70. Physical Medium Dependent Sublayer and Baseband Medium, Type 1000BASE-KX 70.1 Overview 70.2 Physical Medium Dependent (PMD) service interface 70.3 PCS requirements for Auto-Negotiation (AN) service interface 70.4 Delay constraints
62	70.5 PMD MDIO function mapping 70.6 PMD functional specifications 70.6.1 Link block diagram
63	70.6.2 PMD transmit function 70.6.3 PMD receive function 70.6.4 PMD signal detect function 70.6.5 PMD transmit disable function 70.6.6 Loopback mode
64	70.6.7 PMD fault function 70.6.8 PMD transmit fault function 70.6.9 PMD receive fault function 70.7 1000BASE-KX electrical characteristics 70.7.1 Transmitter characteristics
65	70.7.1.1 Test fixtures 70.7.1.2 Test fixture impedance 70.7.1.3 Signaling speed 70.7.1.4 Differential output eye mask
66	70.7.1.5 Output amplitude 70.7.1.6 Differential output return loss
67	70.7.1.7 Transition time 70.7.1.8 Transmit jitter 70.7.1.9 Transmit jitter test requirements
68	70.7.2 Receiver characteristics 70.7.2.1 Receiver interference tolerance 70.7.2.2 Signaling speed range
69	70.7.2.3 AC-coupling 70.7.2.4 Input signal amplitude 70.7.2.5 Differential input return loss 70.8 Interconnect characteristics 70.9 Environmental specifications 70.9.1 General safety 70.9.2 Network safety 70.9.3 Installation and maintenance guidelines 70.9.4 Electromagnetic compatibility
70	70.9.5 Temperature and humidity
71	70.10 Protocol implementation conformance statement (PICS) proforma for Clause 70, Physical Medium Dependent (PMD) sublayer and baseband medium, type 1000BASE-KX 70.10.1 Introduction 70.10.2 Identification 70.10.2.1 Implementation identification 70.10.2.2 Protocol summary
72	70.10.3 Major capabilities/options 70.10.4 PICS proforma tables for Clause 70, Physical Medium Dependent (PMD) sublayer and baseband medium, type 1000BASE-KX. 70.10.4.1 PCS requirements for AN service interface
73	70.10.4.2 PMD functional specifications
74	70.10.4.3 Management functions 70.10.4.4 Transmitter electrical characteristics
75	70.10.4.5 Receiver electrical characteristics 70.10.4.6 Environmental and safety specifications
77	71. Physical Medium Dependent Sublayer and Baseband Medium, Type 10GBASE-KX4 71.1 Overview 71.2 Physical Medium Dependent (PMD) service interface 71.3 PCS requirements for Auto-Negotiation (AN) service interface 71.4 Delay constraints
78	71.5 PMD MDIO function mapping
79	71.6 PMD functional specifications 71.6.1 Link block diagram 71.6.2 PMD Transmit function 71.6.3 PMD Receive function
80	71.6.4 Global PMD signal detect function 71.6.5 PMD lane-by-lane signal detect function 71.6.6 Global PMD transmit disable function 71.6.7 PMD lane-by-lane transmit disable function 71.6.8 Loopback mode
81	71.6.9 PMD fault function 71.6.10 PMD transmit fault function 71.6.11 PMD receive fault function 71.7 Electrical characteristics for 10GBASE-KX4 71.7.1 Transmitter characteristics
82	71.7.1.1 Test fixtures 71.7.1.2 Test fixture impedance 71.7.1.3 Signaling speed 71.7.1.4 Output amplitude
83	71.7.1.5 Output return loss 71.7.1.6 Differential output template
85	71.7.1.7 Transition time 71.7.1.8 Transmit jitter 71.7.1.9 Transmit jitter test requirements
86	71.7.2 Receiver characteristics 71.7.2.1 Receiver interference tolerance 71.7.2.2 Signaling speed
87	71.7.2.3 AC-coupling 71.7.2.4 Input signal amplitude 71.7.2.5 Differential input return loss 71.8 Interconnect characteristics 71.9 Environmental specifications 71.9.1 General safety 71.9.2 Network safety 71.9.3 Installation and maintenance guidelines 71.9.4 Electromagnetic compatibility
88	71.9.5 Temperature and humidity
89	71.10 Protocol implementation conformance statement (PICS) proforma for Clause 71, Physical Medium Dependent (PMD) sublayer and baseband medium, type 10GBASE-KX4 71.10.1 Introduction 71.10.2 Identification 71.10.2.1 Implementation identification 71.10.2.2 Protocol summary
90	71.10.3 Major capabilities/options 71.10.4 PICS proforma tables for Clause 71, Physical Medium Dependent (PMD) sublayer and baseband medium, type 10GBASE-KX4 71.10.4.1 PCS requirements for AN service interface
91	71.10.4.2 PMD functional specifications
92	71.10.4.3 Management functions
93	71.10.4.4 Transmitter electrical characteristics
94	71.10.4.5 Receiver electrical characteristics 71.10.4.6 Environmental and safety specifications
95	72. Physical Medium Dependent Sublayer and Baseband Medium, Type 10GBASE-KR 72.1 Overview 72.2 Physical Medium Dependent (PMD) service interface 72.3 PCS requirements for Auto-Negotiation (AN) service interface 72.4 Delay constraints
96	72.5 PMD MDIO function mapping 72.6 PMD functional specifications 72.6.1 Link block diagram
97	72.6.2 PMD transmit function 72.6.3 PMD receive function 72.6.4 PMD signal detect function 72.6.5 PMD transmit disable function
98	72.6.6 Loopback mode 72.6.7 PMD_fault function 72.6.8 PMD transmit fault function 72.6.9 PMD receive fault function
99	72.6.10 PMD control function 72.6.10.1 Overview 72.6.10.2 Training frame structure 72.6.10.2.1 Frame marker
100	72.6.10.2.2 Control channel encoding 72.6.10.2.3 Coefficient update field
102	72.6.10.2.4 Status report field
103	72.6.10.2.5 Coefficient update process 72.6.10.2.6 Training pattern 72.6.10.3 State variables 72.6.10.3.1 Variables
105	72.6.10.3.2 Timers
106	72.6.10.3.3 Counters 72.6.10.3.4 Functions
107	72.6.10.4 State diagrams 72.6.10.4.1 Frame lock 72.6.10.4.2 Training 72.6.10.4.3 Coefficient update
110	72.7 10GBASE-KR electrical characteristics 72.7.1 Transmitter characteristics
111	72.7.1.1 Test fixture 72.7.1.2 Test fixture impedance 72.7.1.3 Signaling speed 72.7.1.4 Output amplitude
112	72.7.1.5 Differential output return loss
113	72.7.1.6 Common-mode output return loss
114	72.7.1.7 Transition time 72.7.1.8 Transmit jitter 72.7.1.9 Transmit jitter test requirements
115	72.7.1.10 Transmitter output waveform
116	72.7.1.11 Transmitter output waveform requirements
118	72.7.2 Receiver characteristics 72.7.2.1 Receiver interference tolerance
119	72.7.2.2 Signaling speed range 72.7.2.3 AC-coupling 72.7.2.4 Input signal amplitude 72.7.2.5 Differential input return loss 72.8 Interconnect characteristics 72.9 Environmental specifications 72.9.1 General safety 72.9.2 Network safety 72.9.3 Installation and maintenance guidelines
120	72.9.4 Electromagnetic compatibility 72.9.5 Temperature and humidity
121	72.10 Protocol implementation conformance statement (PICS) proforma for Clause 72, Physical Medium Dependent (PMD) sublayer and baseband medium, type 10GBASE-KR 72.10.1 Introduction 72.10.2 Identification 72.10.2.1 Implementation identification 72.10.2.2 Protocol summary
122	72.10.3 Major capabilities/options 72.10.4 PICS proforma tables for Clause 72, Physical Medium Dependent (PMD) sublayer and baseband medium, type 10GBASE-KR 72.10.4.1 PCS requirements for AN service interface
123	72.10.4.2 PMD functional specifications 72.10.4.3 Management functions 72.10.4.4 PMD Control functions
126	72.10.4.5 Transmitter electrical characteristics
128	72.10.4.6 Receiver electrical characteristics 72.10.4.7 Environmental specifications
129	73. Auto-Negotiation for Backplane Ethernet 73.1 Auto-Negotiation introduction 73.2 Relationship to the ISO/IEC Open Systems Interconnection (OSI) reference model
130	73.3 Functional specifications
131	73.4 Transmit function requirements 73.5 DME transmission 73.5.1 DME page encoding 73.5.1.1 DME electrical specifications 73.5.2 DME page encoding
132	73.5.3 DME page timing
133	73.5.4 Manchester violation delimiter
134	73.6 Link Codeword encoding 73.6.1 Selector field 73.6.2 Echoed Nonce field
135	73.6.3 Transmitted Nonce field 73.6.4 Technology Ability field 73.6.5 FEC capability
136	73.6.6 Pause Ability 73.6.7 Remote Fault 73.6.8 Acknowledge 73.6.9 Next Page
137	73.6.10 Transmit Switch function 73.7 Receive function requirements 73.7.1 DME page reception 73.7.2 Receive Switch function 73.7.3 Link Codeword matching 73.7.4 Arbitration function requirements 73.7.4.1 Parallel detection function
138	73.7.5 Renegotiation function 73.7.6 Priority Resolution function
139	73.7.7 Next Page function 73.7.7.1 Next Page encodings
140	73.7.7.1.1 Use of Next Pages
141	73.8 Management register requirements 73.9 Technology-Dependent interface 73.9.1 AN_LINK.indication
142	73.9.1.1 Semantics of the service primitive 73.9.1.2 When generated 73.9.1.3 Effect of receipt 73.10 State diagrams and variable definitions 73.10.1 State diagram variables
148	73.10.2 State diagram timers
150	73.10.3 State diagram counters
151	73.10.4 .State diagrams
154	73.11 Protocol implementation conformance statement (PICS) proforma for Clause 73, Auto-Negotiation for Backplane Ethernet 73.11.1 Introduction 73.11.2 Identification 73.11.2.1 Implementation identification 73.11.2.2 Protocol summary
155	73.11.3 Major capabilities/options 73.11.4 PICS proforma tables for Auto-Negotiation for Backplane Ethernet 73.11.4.1 Functional specifications
156	73.11.4.2 DME Transmission
157	73.11.4.3 Link Codeword Encoding
158	73.11.4.4 Receive function requirements
159	73.11.4.5 Next Page function 73.11.4.6 Management register requirements
160	73.11.4.7 State diagrams and variable definitions 73.11.4.8 Service primitives
161	73.11.4.9 Auto-Negotiation Annexes
163	74. Forward Error Correction (FEC) sublayer for 10GBASE-R PHYs 74.1 Overview 74.2 Objectives 74.3 Relationship to other sublayers
164	74.4 Inter-sublayer interfaces
165	74.4.1 Functional Block Diagram 74.5 FEC service interface
166	74.5.1 FEC_UNITDATA.request 74.5.1.1 Semantics of the service primitive 74.5.1.2 When generated 74.5.1.3 Effect of receipt 74.5.2 FEC_UNITDATA.indication 74.5.2.1 Semantics of the service primitive 74.5.2.2 When generated
167	74.5.2.3 Effect of receipt 74.5.3 FEC_SIGNAL.indication 74.5.3.1 Semantics of the service primitive 74.5.3.2 When generated 74.5.3.3 Effect of receipt 74.6 Delay constraints 74.7 FEC principle of operation 74.7.1 FEC code
168	74.7.2 FEC block format 74.7.3 Composition of the FEC block
169	74.7.4 Functions within FEC sublayer 74.7.4.1 Reverse gearbox function 74.7.4.2 FEC Encoder
170	74.7.4.3 FEC transmission bit ordering 74.7.4.4 FEC (2112, 2080) encoder
171	74.7.4.4.1 PN-2112 pseudo-noise sequence generator
172	74.7.4.5 FEC decoder 74.7.4.5.1 FEC (2112,2080) decoding
174	74.7.4.6 FEC receive bit ordering 74.7.4.7 FEC block synchronization
175	74.8 FEC MDIO function mapping 74.8.1 FEC capability
176	74.8.2 FEC Enable 74.8.3 FEC Enable Error Indication 74.8.3.1 FEC Error Indication ability 74.8.4 FEC Error monitoring capability 74.8.4.1 FEC_corrected_blocks_counter 74.8.4.2 FEC_uncorrected_blocks_counter
177	74.9 10GBASE-R PHY test-pattern mode 74.10 Detailed functions and state diagrams 74.10.1 State diagram conventions 74.10.2 State variables 74.10.2.1 Constants 74.10.2.2 Variables
178	74.10.2.3 Functions 74.10.2.4 Counters 74.10.3 State diagrams
180	74.11 Protocol implementation conformance statement (PICS) proforma for Clause 74, Forward Error Correction (FEC) sublayer for 10GBASE-R PHYs 74.11.1 Introduction 74.11.2 Identification 74.11.2.1 Implementation identification 74.11.2.2 Protocol summary
181	74.11.3 Major capabilities/options
182	74.11.4 Management
183	74.11.5 FEC Requirements
184	74.11.6 FEC Error Monitoring
185	Annex 69A (normative) Interference tolerance testing
189	Annex 69B (informative) Interconnect characteristics
199	Annex 73A (normative) Next Page Message code field definitions
201	Annex 74A (informative) FEC block encoding examples

Additional information

Standard Title	IEEE Standard for Information technology– Local and metropolitan area networks– Specific requirements– Part 3: CSMA/CD Access Method and Physical Layer Specifications – Amendment: Ethernet Operation Over Electrical Backplanes
Published Code	IEEE
Publication Date	2007
Pages Count	203

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