Re: [802.3_SPEP2P] Question about the 8B6T LC in your presentation taday

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To: STDS-802-3-SPEP2P@xxxxxxxxxxxxxxxxx

Subject: Re: [802.3_SPEP2P] Question about the 8B6T LC in your presentation taday

From: "Murray, Brian" <Brian.Murray@xxxxxxxxxx>

Date: Tue, 12 Mar 2024 13:43:58 +0000

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Reply-to: "Murray, Brian" <Brian.Murray@xxxxxxxxxx>

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Thread-topic: RE: Question about the 8B6T LC in your presentation taday

Yan

8B6T line coding was used in 100BASE-T4, 802.3u-1995.

23. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA)

sublayer and baseband medium, type 100BASE-T4

So this coding scheme has been around for a long time.

I don’t know what RS coding scheme might be used or if we need to use RS coding. That requires some more study.

Brian

From: Zhuangyan (Yan) <zhuangyan.zhuang@xxxxxxxxxx>
Sent: Monday, March 11, 2024 11:55 PM
To: Murray, Brian <Brian.Murray@xxxxxxxxxx>
Subject: Question about the 8B6T LC in your presentation taday

Hi Brian,

Thanks for your presentation today. But still confused with how 8B6T LC works... May I ask any reference in IEEE 802.3 that previously introduce this code groups? Can you elaborate a bit on this?

Also, with this coding scheme, which RS FEC do you think we can choose for the 500m reach?

Thank you very much~

Best Regards,

Yan

Brian

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