Draft Amendment to IEEE Std 802.3-2018 IEEE Draft P802.3cm/D1.2
IEEE P802.3cm 400 Gb/s over Multimode Fiber Task Force 25th January 2019
Copyright © 2019 IEEE. All rights reserved.
This is an unapproved IEEE Standards draft, subject to change.
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Contents
1. Introduction........................................................................................................................................... 17
1.3 Normative references...........................................................................................................
....... 17
1.4 Definitions ..................................................................................................................
................ 17
1.5 Abbreviations.................................................................................................................
............. 17
30. Management.....................................................................................................................
..................... 18
30.5 Layer management for medium attachment units (MAUs)
........................................................ 18
30.5.1 MAU managed object class .............................................................................................. 18
30.5.1.1
MAU attributes ....................................................................................................... 18
30.5.1.1.2 aMAUType ................................................................................................... 18
45. Management Data Input/Output (MDIO) Interface.........
..................................................................... 19
45.2 MDIO Interface Registers....................................................................................................
....... 19
45.2.1 PMA/PMD registers ......................................................................................................... 1
9
45.2.1.6 PMA/PMD control 2 register (Register 1.7)........................................................... 19
45.2.1.7 PMA/PMD status 2 register (Register 1.8)............................................................. 19
45.2.1.7.4 Transmit fault (1.8.11) .................................................................................. 19
45.2.1.7.5 Receive fault (1.8.10).................................................................................... 20
45.2.1.8 PMD transmit disable register (Register 1.9) ......................................................... 20
45.2.1.21 400G PMA/PMD extended ability register (Register 1.24) ................................... 21
45.2.1.21.1a 400GBASE-SR4.2 ability (1.24.7) ............................................................... 21
45.2.1.21.2b 400GBASE-SR8 ability (1.24.6) .................................................................. 21
78. Energy-Efficient Ethernet (EEE) ................................................................................................
.......... 22
78.1 Overview.....................................................................................................................
................ 22
78.1.4 PHY types optionally supporting EEE ............................................................................. 22
116. Introduction to 200 Gb/s and 400 Gb/s networks ................................................................................. 23
116.1 Overview...................................................................................................................
.................. 23
116.1.2 Relationship of 200 Gigabit and 400 Gigabit Ethernet to the ISO OSI reference
model
................................................................................................................................ 23
116.1.3 Nomenclature.................................................................................................................... 23
116.1.4 Physical Layer signaling systems ..................................................................................... 24
116.2 Summary of 200 Gigabit and 400 Gigabit Ethernet sublayers
................................................... 24
116.2.5 Physical Medium Dependent (PMD) sublayer ....
............................................................. 24
116.4 Delay constraints............................................................................................................
............. 25
116.5 Skew constraints ............................................................................................................
............. 26
138. Physical Medium Dependent (PMD) sublayer and medium, type 50GBASE-SR,
100GBASE-SR2, 200GBASE-SR4, 400GBASE-SR8 ........................................................................ 28
138.1 Overview...................................................................................................................
.................. 28
138.1.1 Bit error ratio ..........................................................................................................
.......... 30
138.2 Physical Medium Dependent (PMD) service interface
.............................................................. 31
138.3 Delay and Skew .............................................................................................................
............. 32
138.3.1 Delay constraints........................................................................................................
....... 32
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