Re: [802.3_B400G_ELEC] [802.3dj] COM Ad hoc

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To: STDS-802-3-B400G-ELEC@xxxxxxxxxxxxxxxxx

Subject: Re: [802.3_B400G_ELEC] [802.3dj] COM Ad hoc

From: "Lusted, Kent C" <kent.c.lusted@xxxxxxxxx>

Date: Wed, 15 May 2024 12:30:40 +0000

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Reply-to: "Lusted, Kent C" <kent.c.lusted@xxxxxxxxx>

Thread-index: Adp2XVgscoKDashLSHybdqkAceEn8Av5MBsQACBK4tA=

Thread-topic: [802.3dj] COM Ad hoc

Thanks, Bill, for sending a feature request for COM.

As it is the May interim week, I will need some time to look into the request further. I will reach out to you shortly.

-Kent

From: Bill Kirkland <wkirkland@xxxxxxxxxxx>
Sent: Tuesday, May 14, 2024 5:09 PM
To: Lusted, Kent C <kent.c.lusted@xxxxxxxxx>; richard.mellitz@xxxxxxxxxx; Adam Healey (adam.healey@xxxxxxxxxxxx) <adam.healey@xxxxxxxxxxxx>; Adee Ran (Cisco) <aran@xxxxxxxxx>; PR Li (李培榮) <PR.Li@xxxxxxxxxxxx>; Mike Dudek <mdudek@xxxxxxxxxxx>; Li, Peng Mike <peng.mike.li@xxxxxxxxx>; mbrown8023@xxxxxxxxx; 'Hossein Shakiba' <hossein.shakiba@xxxxxxxxxx>; STDS-802-3-B400G-ELEC@xxxxxxxxxxxxxxxxx
Cc: John DAmbrosia <jdambrosia@xxxxxxxxx>; Nowell, Mark <mnowell@xxxxxxxxx>; Gary Nicholl <gnicholl@xxxxxxxxx>
Subject: RE: [802.3dj] COM Ad hoc

COM Feature request

Would like to request that COM be able to support floating DFE taps or floating FFE taps when Rx FFE is configured.

Currently if an RX FFE or Rx FFE+DFE is requested by the configuration, then the floating taps are floating FFE taps.
I think having Rx FFE + floating DFE taps is a nicer feature than floating FFE taps.

Would like to gate the starting position of the floating DFE taps, e.g. to exclude the FFE positions.

I have attached a modified 4.5beta3 to a) execute FFE only and b) FFE + floating DFE taps.

While the COM codes runs for the FFE + floating DFE taps, its results is worse than FFE alone.

-----Original Appointment-----
From: Lusted, Kent C <kent.c.lusted@xxxxxxxxx>
Sent: Thursday, March 14, 2024 6:18 PM
To: Lusted, Kent C; richard.mellitz@xxxxxxxxxx; Adam Healey (adam.healey@xxxxxxxxxxxx); Adee Ran (Cisco); PR Li (李培榮); Mike Dudek; Li, Peng Mike; mbrown8023@xxxxxxxxx; 'Hossein Shakiba'; STDS-802-3-B400G-ELEC@xxxxxxxxxxxxxxxxx
Cc: John DAmbrosia; Nowell, Mark; Gary Nicholl
Subject: [802.3dj] COM Ad hoc
When: Tuesday, April 30, 2024 7:00 AM-7:30 AM (UTC-08:00) Pacific Time (US & Canada).
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