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Re: [802.3_B400G_OPTX] 802.3dj Transmitter Functional Test



Hi John,

Yes, individuals requested an EA White Paper to explain TFT. 

Chris


From: jdambrosia@xxxxxxxxx <jdambrosia@xxxxxxxxx>
Sent: Monday, May 11, 2026 12:01 AM
To: Chris Cole <chris.cole@xxxxxxxxxxxx>; STDS-802-3-B400G-OPTX@xxxxxxxxxxxxxxxxx <STDS-802-3-B400G-OPTX@xxxxxxxxxxxxxxxxx>
Subject: RE: [802.3_B400G_OPTX] 802.3dj Transmitter Functional Test
 

Chris,

Your summary below of the proposed white paper needs updated.

 

The IEEE P802.3dj team did not request an EA white paper.  Such a request would not be appropriate.

 

I believe what you intended is that individuals, who happen to be editors for the task force, have requested a white paper. 

 

Please note, however, I am unaware of any such public announcements or discussion of this white paper by the noted organization.

 

Regards,

 

John

 

From: Chris Cole <chris.cole@xxxxxxxxxxxx>
Sent: Sunday, May 10, 2026 3:45 AM
To: STDS-802-3-B400G-OPTX@xxxxxxxxxxxxxxxxx
Subject: [802.3_B400G_OPTX] 802.3dj Transmitter Functional Test

 

Dear 802.3dj Task Force Optical Track Participants, 

 

The Transmitter Functional Test (TFT) was first proposed at the July '25 meeting [ieee802.org], with updates at every meeting since then. Other than adding test fiber to the proposal at the Sept. '25 meeting [ieee802.org], all the changes and additions are to make TFT more understandable. May '26 presentation appendices 1 and 2 [ieee802.org] are continued refinements. Yet even last week, we were addressing questions. 

 

Because TFT presentations and specifications are not stand alone, the Optical Track Editorial Team requested and received approval from the Ethernet Alliance (EA) Leadership to publish an EA White Paper fully explaining TFT. Because the objectives of the Ethernet Alliance [ethernetalliance.org] is to promote rather than develop Ethernet Technology, the technical content of the TFT White Paper will be entirely based on 802.3dj material, summarized in the May '26 presentation appendices. It is therefore important that this content continue to get close review.

 

During this week, little time during the official meetings can be devoted to extensive explanations of TFT. However, Optical Track Editorial Team members, as well as myself, will be available for off-line discussions to make sure that TFT explanations are fully understandable. Please ask to meet with us if there is any aspect of TFT and the May '26 presentation appendices that is not clear. This will maximize the accuracy and clarity of the EA TFT White Paper.

 

Thank you

 

Chris


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