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IEEE P802.3dB Task Force Complete the last draft of 100 Gb/s, 200 Gb/s, and 400 Gb/s Short Reach Over Fiber

The IEEE P802.3db 100 Gb/s, 200 Gb/s, and 400 Gb/s Short Reach Fiber Task Force has completed its last draft. The standard, which covers high-speed interconnect requirements over 50 and 100 m of multimode fiber. This standard will cover VCSEL based duplex 100G-per-lane transmission over short reach (SR) distances of up to 100 m and very short reach (VR) requirements of up to 50 m on OM4 and OM5 multimode fiber. The SR applications will use 850nm VCSELs, while the VR applications will use a wider spectrum range, from 850nm to 940nm. The specifications will help enable VCSEL based high-speed multimode links for enterprise and hyperscale data center requirements. The objectives of the Task Force include:

100G over 1-pair (dual fiber) of MMF up to 50 m
200G over 2-pair (quad fiber) of MMF up to 50 m
400G over 4-pair (8 fiber) of MMF up to 50 m
100G over 1-pair (dual fiber) of MMF up to 100 m
200G over 2-pair (quad fiber) of MMF up to 100 m
400G over 4-pair (8 fiber) of MMF up to 100 m.

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