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SubjectRE: Re: signal quality and cable diagnostic
Date
On May 11, 2020 4:33:53 PM Andrew Lunn <andrew@lunn.ch> wrote:
>
> Are the classes part of the Open Alliance specification? Ideally we
> want to report something standardized, not something proprietary to
> NXP.
>
> Andrew

Hi Andrew,

Such mechanisms are standardized and supported by pretty much all devices in the market. The Open Alliance specification is publicly available here: http://www.opensig.org/download/document/218/Advanced_PHY_features_for_automotive_Ethernet_V1.0.pdf

As the specification is newer than the 100BASE-T1 spec, do not expect first generation devices to follow the register definitions as per Open Alliance. But for future devices, also registers should be same across different vendors.

Christian

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