IEEE Std 802.3cm-2020
IEEE Standard for Ethernet -- Amendment 7: Physical Layer and Management Parameters for 400 Gb/s over Multimode Fiber

Standard No.

IEEE Std 802.3cm-2020

Release Date

2020

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Latest

IEEE Std 802.3cm-2020

Scope

This amendment to IEEE Std 802.3-2018 adds Clause 150. This amendment adds Physical Layer (PHY) specifications and management parameters for 400 Gb/s operation on four pairs (400GBASE-SR4.2) and eight pairs (400GBASE-SR8) of multimode fiber, over reaches of at least 100 m.

IEEE Std 802.3cm-2020 history

• 2020 IEEE Std 802.3cm-2020 IEEE Standard for Ethernet -- Amendment 7: Physical Layer and Management Parameters for 400 Gb/s over Multimode Fiber