IEEE 802.3cp-2021

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IEEE Standard for Ethernet — Amendment 14: Bidirectional 10 Gb/s, 25 Gb/s, and 50 Gb/s Optical Access PHYs

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IEEE	2021

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Description

Amendment Standard – Active. This amendment to IEEE Std 802.3-2018 adds Physical Layer specifications and management parameters for 10 Gb/s, 25 Gb/s, and 50 Gb/s Ethernet optical interfaces for bidirectional operation over a single strand of single-mode fiber with reaches of at least 10 km, 20 km, and 40 km.

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PDF Pages	PDF Title
1	IEEE Std 802.3cp-2021 Front Cover
2	Title page
4	Important Notices and Disclaimers Concerning IEEE Standards Documents
7	Participants
10	Introduction
14	Contents
23	1. Introduction 1.4 Definitions
24	1.5 Abbreviations
25	30. Management 30.5 Layer management for medium attachment units (MAUs) 30.5.1 MAU managed object class 30.5.1.1 MAU attributes 30.5.1.1.2 aMAUType
26	30.5.1.1.16 aFECmode
27	44. Introduction to 10 Gb/s baseband network 44.3 Delay constraints
28	45. Management Data Input/Output (MDIO) Interface 45.2 MDIO Interface Registers 45.2.1 PMA/PMD registers 45.2.1.6 PMA/PMD control 2 register (Register 1.7)
29	45.2.1.7 PMA/PMD status 2 register (Register 1.8) 45.2.1.7.4 Transmit fault (1.8.11)
30	45.2.1.7.5 Receive fault (1.8.10)
31	45.2.1.8 PMD transmit disable register (Register 1.9)
32	45.2.1.27a BiDi PMA/PMD extended ability 1 (Register 1.34) 45.2.1.27a.1 25GBASE-BR40-U ability (1.34.11)
33	45.2.1.27a.2 25GBASE-BR40-D ability (1.34.10) 45.2.1.27a.3 25GBASE-BR20-U ability (1.34.9) 45.2.1.27a.4 25GBASE-BR20-D ability (1.34.8) 45.2.1.27a.5 25GBASE-BR10-U ability (1.34.7) 45.2.1.27a.6 25GBASE-BR10-D ability (1.34.6) 45.2.1.27a.7 10GBASE-BR40-U ability (1.34.5) 45.2.1.27a.8 10GBASE-BR40-D ability (1.34.4) 45.2.1.27a.9 10GBASE-BR20-U ability (1.34.3) 45.2.1.27a.10 10GBASE-BR20-D ability (1.34.2)
34	45.2.1.27a.11 10GBASE-BR10-U ability (1.34.1) 45.2.1.27a.12 10GBASE-BR10-D ability (1.34.0) 45.2.1.27b BiDi PMA/PMD extended ability 2 (Register 1.35) 45.2.1.27b.1 50GBASE-BR40-U ability (1.35.5) 45.2.1.27b.2 50GBASE-BR40-D ability (1.35.4)
35	45.2.1.27b.3 50GBASE-BR20-U ability (1.35.3) 45.2.1.27b.4 50GBASE-BR20-D ability (1.35.2) 45.2.1.27b.5 50GBASE-BR10-U ability (1.35.1) 45.2.1.27b.6 50GBASE-BR10-D ability (1.35.0) 45.2.1.110 RS-FEC control register (Register 1.200) 45.2.1.110.1 25G RS-FEC enable (1.200.2)
36	49. Physical Coding Sublayer (PCS) for 64B/66B, type 10GBASE-R 49.2 Physical Coding Sublayer (PCS) 49.2.2 Functions within the PCS 49.2.13.2.2 Variables
37	56. Introduction to Ethernet for subscriber access networks 56.1 Overview
38	56.1.1 Summary of P2P sublayers 56.1.1.1 P2P fiber media 56.1.1.2 P2P copper media 56.1.2 Summary of P2MP sublayers 56.1.2.2 Reconciliation Sublayer (RS) and media independent interfaces
39	56.1.3 Physical Layer signaling systems
42	78. Energy-Efficient Ethernet (EEE) 78.1.4 PHY types optionally supporting EEE
43	105. Introduction to 25 Gb/s networks 105.5 Delay constraints
44	108. Reed-Solomon Forward Error Correction (RS-FEC) sublayer for 10GBASE-R and 25GBASE-R PHYs 108.1 Overview 108.1.1 Scope 108.1.2 Position of RS-FEC in the 10GBASE-R and 25GBASE-R PHY sublayers
45	108.1.3 Inter-sublayer interfaces
46	108.1.3.1 Functional block diagram for 10GBASE-R PHYs
47	108.1.3.2 Functional block diagram for 25GBASE-R PHYs 108.2 FEC service interface
49	108.2.1 10GBASE-R service primitives 108.2.1.1 FEC_UNITDATA.request 108.2.1.1.1 Semantics of the service primitive 108.2.1.1.2 When generated 108.2.1.1.3 Effect of receipt 108.2.1.2 FEC_UNITDATA.indication 108.2.1.2.1 Semantics of the service primitive
50	108.2.1.2.2 When generated 108.2.1.2.3 Effect of receipt 108.2.1.3 FEC_SIGNAL.indication 108.2.1.3.1 Semantics of the service primitive 108.2.1.3.2 When generated 108.2.1.3.3 Effect of receipt 108.2.2 25GBASE-R service primitives
51	108.3 PMA compatibility 108.4 Delay constraints
52	108.5 Functions within the 25GBASE-R RS-FEC sublayer 108.5.1 Functional block diagram 108.5.1.1 Reverse gearbox and gearbox functions for 10GBASE-R
53	108.5.2 Transmit function 108.5.2.2 Rate compensation for codeword markers in the transmit direction 108.5.2.4 Codeword marker insertion 108.5.2.5 Reed-Solomon encoder
55	108.5.3 Receive function 108.5.3.1 Codeword marker lock 108.5.3.2 Reed-Solomon decoder 108.5.3.5 256B/257B to 64B/66B transcoder
56	108.5.3.6 Rate compensation for codeword markers in the receive direction
58	108.5.4 Detailed functions and state diagrams 108.5.4.2 State variables 108.6 25GBASE-R RS-FEC MDIO function mapping 108.6.3 25G RS-FEC Enable 108.6.4 FEC_bypass_correction_ability
59	108.6.5 FEC_bypass_indication_ability 108.7 Protocol implementation conformance statement (PICS) proforma for Clause 108, Reed-Solomon Forward Error Correction (RS-FEC) sublayer for 10GBASE-R and 25GBASE-R PHYs 108.7.1 Introduction 108.7.2 Identification 108.7.2.2 Protocol summary
60	108.7.3 Major capabilities/options 108.7.4 PICS proforma tables for Reed-Solomon Forward Error Correction (RS-FEC) sublayer for 10GBASE-R and 25GBASE-R PHYs 108.7.4.2 Receive function
61	131. Introduction to 50 Gb/s networks 131.4 Delay constraints
62	157. Introduction to 10 Gb/s, 25 Gb/s, and 50 Gb/s BiDi PHYs 157.1 Overview 157.1.1 Scope 157.1.2 Relationship of Multi-Gigabit Ethernet BiDi PHYs to the ISO OSI reference model 157.1.3 Nomenclature
64	157.1.4 Physical Layer signaling systems
66	157.2 Summary of Multi-Gigabit Ethernet BiDi sublayers 157.2.1 Reconciliation Sublayer (RS) and Media Independent Interface (XGMII, 25GMII, and 50GMII) 157.2.2 Physical Coding Sublayer (PCS) 157.2.3 Forward error correction (FEC) sublayer
67	157.2.4 Physical Medium Attachment (PMA) sublayer 157.2.5 Physical Medium Dependent (PMD) sublayer 157.2.6 Management interface (MDIO/MDC) 157.2.7 Management 157.3 Service interface specification method and notation 157.4 Delay constraints
68	157.5 ONU silent start 157.6 Protocol implementation conformance statement (PICS) proforma
69	158. Physical Medium Dependent (PMD) sublayer and medium, types 10GBASE-BR10, 10GBASE-BR20, and 10GBASE-BR40 158.1 Overview 158.1.1 Bit error ratio
70	158.2 PMD sublayer service interface 158.3 Delay constraints 158.4 PMD MDIO function mapping
71	158.5 PMD functional specifications 158.5.1 PMD block diagram 158.5.2 PMD transmit function 158.5.3 PMD receive function
72	158.5.4 PMD signal detect function
73	158.5.5 PMD reset function 158.5.6 PMD global transmit disable function 158.5.7 PMD fault function 158.5.8 PMD transmit fault function 158.5.9 PMD receive fault function 158.5.10 ONU silent start 158.6 PMD to MDI optical specifications for 10GBASE-BRx
74	158.6.1 10GBASE-BRx transmitter optical specifications
75	158.6.2 10GBASE-BRx receive optical specifications
76	158.6.3 10GBASE-BRx illustrative link power budgets 158.7 Jitter specifications for 10GBASE-BRx 158.8 Definition of optical parameters and measurement methods 158.8.1 Test patterns 158.8.1.1 Test pattern definition
77	158.8.1.2 Square wave pattern definition 158.8.2 Wavelength and side-mode suppression ratio (SMSR)
78	158.8.3 Average optical power 158.8.4 Extinction ratio 158.8.5 Optical Modulation Amplitude (OMA) 158.8.6 Relative Intensity Noise (RINxOMA) 158.8.7 Transmitter optical waveform (transmitter eye)
79	158.8.8 Receiver sensitivity 158.8.9 Stressed receiver sensitivity 158.8.9.1 Stressed receiver sensitivity for 10GBASE-BR10 and 10GBASE-BR40 158.8.9.1.1 Stressed receiver conformance test block diagram
81	158.8.9.1.2 Parameter definitions
82	158.8.9.1.3 Stressed receiver conformance test signal characteristics and calibration
83	158.8.9.1.4 Stressed receiver conformance test procedure
84	158.8.9.1.5 Sinusoidal jitter for receiver conformance test 158.8.9.2 Stressed receiver sensitivity for 10GBASE-BR20 158.8.10 Transmitter and dispersion penalty (TDP) 158.8.10.1 Reference transmitter requirements
85	158.8.10.2 Channel requirements 158.8.10.3 Reference receiver requirements
86	158.8.10.4 Test procedure 158.9 Safety, installation, environment, and labeling 158.9.1 General safety 158.9.2 Laser safety 158.9.3 Installation 158.9.4 Environment 158.9.5 Electromagnetic emission
87	158.9.6 Temperature, humidity, and handling 158.9.7 PMD labeling requirements 158.10 Fiber optic cabling model
88	158.11 Characteristics of the fiber optic cabling (channel) 158.11.1 Optical fiber and cable 158.11.2 Optical fiber connection 158.11.2.1 Connection insertion loss 158.11.2.2 Maximum discrete reflectance
89	158.11.3 Medium Dependent Interface (MDI) requirements 158.12 Requirements for interoperation between 10GBASE-BRx PMDs
90	158.13 Protocol implementation conformance statement (PICS) proforma for Clause 158, Physical Medium Dependent (PMD) sublayer and medium, types 10GBASE-BR10, 10GBASE-BR20, and 10GBASE-BR40 158.13.1 Introduction 158.13.2 Identification 158.13.2.1 Implementation identification 158.13.2.2 Protocol summary
91	158.13.3 Major capabilities/options 158.13.4 PICS proforma tables for PMD sublayer and medium, types 10GBASE-BR10, 10GBASE-BR20, and 10GBASE-BR40 158.13.4.1 PMD functional specifications
92	158.13.4.2 Management functions
93	158.13.4.3 PMD to MDI optical specifications for 10GBASE-BR10 158.13.4.4 PMD to MDI optical specifications for 10GBASE-BR20 158.13.4.5 PMD to MDI optical specifications for 10GBASE-BR40 158.13.4.6 Optical measurement methods
94	158.13.4.7 Environmental specifications 158.13.4.8 Characteristics of the fiber optic cabling and MDI
95	159. Physical Medium Dependent (PMD) sublayer and medium, types 25GBASE-BR10, 25GBASE-BR20, and 25GBASE-BR40 159.1 Overview
96	159.1.1 Bit error ratio 159.2 Physical Medium Dependent (PMD) service interface 159.3 Delay constraints
97	159.4 PMD MDIO function mapping 159.5 PMD functional specifications 159.5.1 PMD block diagram
98	159.5.2 PMD transmit function 159.5.3 PMD receive function 159.5.4 PMD global signal detect function
99	159.5.5 PMD reset function 159.5.6 PMD global transmit disable function 159.5.7 PMD fault function (optional) 159.5.8 PMD transmit fault function (optional)
100	159.5.9 PMD receive fault function 159.5.10 ONU silent start 159.6 PMD to MDI optical specifications for 25GBASE-BRx
101	159.6.1 25GBASE-BRx transmitter optical specifications 159.6.2 25GBASE-BRx receiver optical specifications
103	159.6.3 25GBASE-BRx illustrative link power budgets 159.7 Definition of optical parameters and measurement methods 159.7.1 Test patterns for optical parameters 159.7.2 Wavelength and side-mode suppression ratio (SMSR) 159.7.3 Average optical power 159.7.4 Optical Modulation Amplitude (OMA)
104	159.7.5 Transmitter and dispersion penalty (TDP) 159.7.5.1 Reference transmitter requirements 159.7.5.2 Channel requirements 159.7.5.3 Reference receiver requirements
105	159.7.5.4 Test procedure 159.7.6 Extinction ratio 159.7.7 Relative Intensity Noise (RIN20OMA) 159.7.8 Transmitter optical waveform (transmit eye) 159.7.9 Receiver sensitivity
106	159.7.10 Stressed receiver sensitivity 159.8 Safety, installation, environment, and labeling 159.8.1 General safety 159.8.2 Laser safety
107	159.8.3 Installation 159.8.4 Environment 159.8.5 Electromagnetic emission 159.8.6 Temperature, humidity, and handling 159.8.7 PMD labeling requirements 159.9 Fiber optic cabling model
108	159.10 Characteristics of the fiber optic cabling (channel)
109	159.10.1 Optical fiber cable 159.10.2 Optical fiber connection 159.10.2.1 Connection insertion loss 159.10.2.2 Maximum discrete reflectance 159.10.3 Medium Dependent Interface (MDI) requirements
110	159.11 Requirements for interoperation between 25GBASE-BRx PMDs
111	159.12 Protocol implementation conformance statement (PICS) proforma for Clause 159, Physical Medium Dependent (PMD) sublayer and medium, types 25GBASE-BR10, 25GBASE-BR20, and 25GBASE-BR40 159.12.1 Introduction 159.12.2 Identification 159.12.2.1 Implementation identification 159.12.2.2 Protocol summary
112	159.12.3 Major capabilities/options 159.12.4 PICS proforma tables for PMD sublayer and medium, types 25GBASE-BR10, 25GBASE-BR20, and 25GBASE-BR40 159.12.4.1 PMD functional specifications
113	159.12.4.2 Management functions
114	159.12.4.3 PMD to MDI optical specifications for 25GBASE-BR10 159.12.4.4 PMD to MDI optical specifications for 25GBASE-BR20 159.12.4.5 PMD to MDI optical specifications for 25GBASE-BR40 159.12.4.6 Optical measurement methods
115	159.12.4.7 Environmental specifications 159.12.4.8 Characteristics of the fiber optic cabling and MDI
116	160. Physical Medium Dependent (PMD) sublayer and medium, types 50GBASE-BR10, 50GBASE-BR20, and 50GBASE-BR40 160.1 Overview
117	160.1.1 Bit error ratio 160.2 Physical Medium Dependent (PMD) service interface
118	160.3 Delay and Skew 160.3.1 Delay constraints 160.3.2 Skew constraints
119	160.4 PMD MDIO function mapping 160.5 PMD functional specifications 160.5.1 PMD block diagram
120	160.5.2 PMD transmit function 160.5.3 PMD receive function 160.5.4 PMD global signal detect function
121	160.5.5 PMD reset function 160.5.6 PMD global transmit disable function 160.5.7 PMD fault function (optional) 160.5.8 PMD transmit fault function (optional)
122	160.5.9 PMD receive fault function 160.5.10 ONU silent start 160.6 PMD to MDI optical specifications for 50GBASE-BRx 160.6.1 50GBASE-BRx transmitter optical specifications 160.6.2 50GBASE-BRx receive optical specifications
125	160.6.3 50GBASE-BRx illustrative link power budgets 160.7 Definition of optical parameters and measurement methods 160.7.1 Test patterns for optical parameters
126	160.7.2 Wavelength and side-mode suppression ratio (SMSR) 160.7.3 Average optical power 160.7.4 Outer Optical Modulation Amplitude (OMAouter)
127	160.7.5 Transmitter and dispersion eye closure for PAM4 (TDECQ) 160.7.5.1 TDECQ conformance test setup 160.7.5.2 Channel requirements
128	160.7.5.3 TDECQ measurement method 160.7.5.4 TDECQ reference equalizer
129	160.7.6 Transmitter eye closure for PAM4 (TECQ) 160.7.7 Extinction ratio 160.7.8 Transmitter transition time 160.7.9 Relative intensity noise (RINxOMA)
130	160.7.10 Receiver sensitivity
131	160.7.11 Stressed receiver sensitivity 160.7.11.1 Stressed receiver conformance test block diagram
132	160.7.11.2 Stressed receiver conformance test signal characteristics and calibration 160.7.11.3 Stressed receiver conformance test signal verification 160.8 Safety, installation, environment, and labeling 160.8.1 General safety
133	160.8.2 Laser safety 160.8.3 Installation 160.8.4 Environment 160.8.5 Electromagnetic emission 160.8.6 Temperature, humidity, and handling 160.8.7 PMD labeling requirements
134	160.9 Fiber optic cabling model 160.10 Characteristics of the fiber optic cabling (channel)
135	160.10.1 Optical fiber cable 160.10.2 Optical fiber connection 160.10.2.1 Connection insertion loss 160.10.2.2 Maximum discrete reflectance 160.10.3 Medium Dependent Interface (MDI) requirements
136	160.11 Requirements for interoperation between 50GBASE-BRx PMDs
137	160.12 Protocol implementation conformance statement (PICS) proforma for Clause 160, Physical Medium Dependent (PMD) sublayer and medium, types 50GBASE-BR10, 50GBASE-BR20, and 50GBASE-BR40 160.12.1 Introduction 160.12.2 Identification 160.12.2.1 Implementation identification 160.12.2.2 Protocol summary
138	160.12.3 Major capabilities/options 160.12.4 PICS proforma tables for PMD sublayer and medium, types 50GBASE-BR10, 50GBASE-BR20, and 50GBASE-BR40 160.12.4.1 PMD functional specifications
139	160.12.4.2 Management functions
140	160.12.4.3 PMD to MDI optical specifications for 50GBASE-BR10 160.12.4.4 PMD to MDI optical specifications for 50GBASE-BR20 160.12.4.5 PMD to MDI optical specifications for 50GBASE-BR40 160.12.4.6 Optical measurement methods
141	160.12.4.7 Environmental specifications 160.12.4.8 Characteristics of the fiber optic cabling and MDI
142	Back Cover

Additional information

Standard Title	IEEE Standard for Ethernet — Amendment 14: Bidirectional 10 Gb/s, 25 Gb/s, and 50 Gb/s Optical Access PHYs
Published Code	IEEE
Publication Date	2021

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