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