IEEE Std 802.3cm-2020 pdf free download - IEEE Standard for Ethernet Amendment 7: Physical Layer and Management Parameters for 400 Gb/s over Multimode Fiber. 138. Physical Medium Dependent (PMD) sublayer and medium, type 50GBASE-SR, 100GBASE-SR2, 200GBASE-SR4.400GBASE-SR8 Clause...
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