A CDE Definition
The IEEE standards for 200 and 400 Gigabit Ethernet over optical fiber. See Terabit Ethernet.
Terabit Ethernet is a future technology. In the meantime, the IEEE 802.3bs task force has defined 200 Gigabit (200GBASE) and 400 Gigabit Ethernet (400GBASE), which are expected to be commonly deployed by carriers and large enterprises by 2020. See 100 Gigabit Ethernet and Ethernet.
in No. of
Meters Fiber Mode Designation Fibers
500 Singlemode 200GBASE-DR4 4
2 km Singlemode 200GBASE-FR4 4
10 km Singlemode 200GBASE-LR4 4
100 Multimode 400GBASE-SR16 16
500 Singlemode 400GBASE-DR4 4
2 km Singlemode 400GBASE-FR8 8
10 km Singlemode 400GBASE-LR8 8
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