[802-LMSC] IEEE P802.3ds draft PAR and CSD response - 200 Gb/s per Wavelength Multimode Fibre (MMF) PHYs
Dear IEEE 802 LMSC members,
In support of subclause 9.2 'IEEE 802 LMSC Approval' of the LMSC Operations Manual please find below the required information in respect to the IEEE P802.3ds IEEE Standard for Ethernet Amendment: Physical Layer Specifications and Management Parameters for 200 Gb/s and greater Operation over Multimode Fiber using 200 Gb/s signaling PAR for consideration at the November 2025 plenary.
Best regards,
David
[1] Draft PAR and CSD responses:
Draft PAR: <https://mentor.ieee.org/802-ec/dcn/25/ec-25-0216-00-LMSC-draft-ieee-p802-3ds-par.pdf>
Draft CSD responses: <https://mentor.ieee.org/802-ec/dcn/25/ec-25-0217-00-LMSC-draft-ieee-p802-3ds-csd.pdf>
[2] Explanatory technical background material:
This project is necessary to provide solutions to meet the growing bandwidth needs for 200 Gb/s signaling per lane short reach optical links for Artificial Intelligence (AI) back-end compute clusters and for front-end/traditional Ethernet networks.
[3] Status of the development of the PAR:
The draft PAR and CSD responses are pending IEEE 802.3 Working Group approval at the November 2025 plenary.
Since the submission deadline for the December 2025 meeting occurs prior to the date of the November IEEE 802 EC meeting, I will pre-submit this draft PAR to NesCom on the understanding that:
[a] Any changes to the draft PAR text resulting from the Plenary will be promptly communicated to the NesCom Administrator.
[b] Should the IEEE 802.3 Working Group not approve the submission, it will be removed from the IEEE 802 LMSC and NesCom agenda.
[c] Should the IEEE 802 LMSC not approve the submission, it will be removed from the NesCom agenda.
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