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1.
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Clear description of the referenced document:
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Name:
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IEEE 802.3dj-2026
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Title:
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IEEE Standard for EthernetAmendment 13: Media Access Control Parameters for 1.6 Tb/s and Physical Layers and Management Parameters for 200 Gb/s, 400 Gb/s, 800 Gb/s, and 1.6 Tb/s Operation
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2.
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Status of approval:
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This document is expected to be approved by December 2026. It is at a stage of the approval process where the technical content is stable.
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3.
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Justification for the specific reference:
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G.709.mfi is specifying module-to-framer interfaces (MFI) for FlexOTN. Some of the MFIs being defined are based on the 200G/lane signaling that is specified in IEEE 802.3dj.
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4.
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Current information, if any, about IPR issues:
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No known issues.
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5.
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Other useful information describing the "Quality" of the document:
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The referenced standard will have completed the rigorous and comprehensive review and approval process of the IEEE standards development committee by December 2026. No technical changes to the content that would impact the content of G.709.1 are expected at this point in the IEEE process.
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6.
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The degree of stability or maturity of the document:
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The referenced standard will have completed the rigorous and comprehensive review and approval process of the IEEE standards development committee by Decmeber 2026. No technical changes to the content that would impact the content of G.709.1 are expected at this point in the IEEE process.
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7.
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Relationship with other existing or emerging documents:
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Recommendation ITU-T G.709.5 Amd 2 and new Recommendation ITU-T G.709.7 will also make reference to IEEE 802.3dj. IEEE 802.3dj will eventually be incorprated by reference into Recommendation G.8020.3; however, it is important for the industry to approve the G.709.x series prior to the approval of an updated G.8020.3 with this reference.
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8.
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Any explicit references within that referenced document should also be listed:
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IEEE 802.3dj adds the following new references to those that are in the base IEEE Std 802.3:
IEC 61753-021-02, Fibre optic interconnecting devices and passive components – Performance standard – Part 021-02: Single-mode fibre optic connectors terminated as pigtails and patchcords for category C – Controlled environment.
IEC 61753-1, Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General and guidance.
IEEE Std 1241™-2023, IEEE Standard for Terminology and Test Methods for Analog-to-Digital Converters
ITU-T Recommendation G.652, 2024—Characteristics of a single-mode optical fibre and cable
OSFP Octal Small Form Factor Pluggable Module, Rev 5.22, August 9, 2025.6
QSFP-DD/QSFP-DD800/QSFP-DD1600 Hardware Specification for QSFP Double Density 8x Pluggable Transceivers, Rev 7.1, June 25, 2024
SFF-TA-1027, Rev 2.0, September 9, 2025, QSFP2 Connector, Cage, & Module Specification.
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9.
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Qualification of
IEEE:
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The IEEE was recognized under the provisions of ITU-T Recommendation A.5 on 1 November 1999. Qualifying information is on file with TSB.
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10.
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Other (for any supplementary information):
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Draft 3.1 of IEEE 802.3dj was shared with SG15 via T25-SG15-TD316-GEN
In order to avoid a lengthy delay between the approval of IEEE 802.3dj and the approval of G.709.1 Edition 4.0, G.709.5 Amd 2 (edition 1.3), and new Recommendation G.709.7, it is desirable to begin the approval process for the 3 ITU Recommendations at the July 2026 SG15 plenary, with the expectation that 802.3dj will be approved before the ITU Recommendations are published. The texts for consent include a note to the TSB to delay publication until IEEE 802.3dj-2026 has been approved.
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