IEEE Std 802.3cn-2019 pdf free download – IEEE Standard for Ethernet Amendment 4: Physical Layers and Management Parameters for 50 Gb/s, 200 Gb/s, and 400 Gb/s Operation over Single-Mode Fiber.
Insert the following new subclause (45.2.1.20.Ia) after 45.2. 1.20.1:
45.2.1 .20.1a 200GBASE-ER4 ability (1.23.6)
When read as a one, bit 1.23.6 indicates that the PMA/PMD is able to operate as a 200GBASE-ER4 PMA/PMD type. When read as a zero, bit 1.23.6 indicates that the PMA/PMD is not able to operate as a 200GBASE-ER4 PMA/PMD type.
Insert the following new subclauses (45.2.1.20.5, 45. 2.1.20.6, and 45.2.1.20.刀) after 45.2.1.20.4:
45.2.1 .20.5 200GBASE-SR4 ability (1.23.2)
When read as a one, bit 1.23.2 indicates that the PMAPMD is able to operate as a 200GBASE SR4 PMA/PMD type. When read as a zero, bit 1.23.2 indicates that the PMA/PMD is not able to operate as a 200GBASE-SR4 PMA/PMD type.
45.2.1 .20.6 200GBASE-CR4 ability (1.23.1)
When read as a one, bit 1.23.1 indicates that the PMA/PMD is able to operate as a 200GBASE-CR4 PMA/PMD type. When read as a zero, bit 1.23.1 indicates that the PMA/PMD is not able to operate as a 200GBASE-CR4 PMAPMD type.
45.2.1.20.7 200GBASE-KR4 ability (1.23.0)
When read as a one, bit 1.23.0 indicates that the PMA/PMD is able to operate as a 200GBASE-KR4 PMA/PMD type. When read as a zero, bit 1.23.0 indicates that the PMA/PMD is not able to operate as a 200GBASE-KR4 PMA/PMD type.
Insert the following new subclause (45.2.1.21.1a) after 45.2.1.21.1:
45.2.1.21.1a 400GBASE-ER8 ability (1.24.10)
When read as a one, bit 1 24.10 indicates that the PMA/PMD is able to operate as a 400GBASE-ER8 PMA/PMD type. When read as a zero, bit 1.24. 10 indicates that the PMA/PMD is not able to operate as a 400GBASE-ER8 PMA/PMD type.
Insert the following new subclauses (45.2.1.21b6 through 45.2.1.21b.4) after 45.2.1.21a (as inserted by IEEE Std 802.3cd-2018):
45.2.1 .21b 40G/100G PMA/PMD extended ability 2 (Register 1.26)
The assignment ofbits in the 40G/ 100G PMA/PMD extended ability 2 register is shown in Table 45- -24b.
45.2.1.21b.1 100GBASE. SR2 ability (1.26.9)
When read a a one, bit 1 26.9 indicatcs that the PMAPMD is able to operate as a 100GBASE-SR2 PMA/PMD type. When read as a zero, bit 1269 indicaes that the PMAPMD is not able t0o operate 100GBASE-SR2 PMAPMD type.
45.2.1.21b.2 100GBASE-CR2 abilty (1.26.8)
When read as a one, bit 1.26.8 indicates that the PMA/PMD is able to operate as a 100GBASE-CR2 PMAPMD type. When read as a zero, bit 1.26.8 indicates hat the PMAPMD is not able to operate 100GBASE-CR2 PMA/PMD type.
45.2.1.21b.3 100GBASE-KR2 ability (1.26.7)
When read as a one, bit 1.26.7 indicates that the PMAPMD is able to operate as a 100GBASE-KR2 PMAPMD type. When read as a zero, bit 1 26.7 indicates that the PMAPMD is not able t0o operate as a 10GBASE-KR2 PMAPMD type.
45.2.1.21b.4 100GBASE-DR abilily (1.26.3)
When read as a one, bit 1.26.3 indicates that the PMAPMD is able to openate as a 100GBASE-DR PMAPMD type.IEEE Std 802.3cn pdf download.