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Robert, This is good news. I’ll start the discussion on the necessary contributions. 8-pair 1) We need contribution(s) that outline the basic technology options and proposes a selection of them to create the PMD. This includes the MDI lane connector and lane assignments.
2) If a proposal to use the same choices in P802.3cd clause 138 is accepted, an initial draft of a 400G 8-pair PMD could be readily created from a modification of the 200GBASE-SR4 PMD content.
4-pair 1) Contribution(s) for the 400G 4-pair PMD that address the wavelength plan need to be delivered. Once the wavelengths are known, other parameters can be determined to achieve the reach objective. Regards, Paul From: Lingle, Robert L (Robert) [mailto:rlingle@xxxxxxxxxxxxx]
All, I am pleased to report that the 802 EC approved our PAR and CSD responses, with NesCom review pending late April. Standards Board review would occur shortly after that in early May. (David Law handles these matters on our behalf – thanks
David!) Assuming these are successful, then we can meet as a Task Force at the May Interim in Pittsburgh.
In that case, our attention would turn to developing baseline proposals for specifications for the two objectives we adopted, which are 400 Gb/s over 4-pairs and 8-pairs of MMF. Please consider what contributions would be needed to get started on this work. Warm regards, Robert Robert Lingle, Jr., Ph.D. Director, OFS Systems & Technology Strategy
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