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Re: Interface reality check




Rich,

Are you referring to the LAN only PHY?

Thank you,
Roy Bynum


----- Original Message -----
From: Rich Taborek <rtaborek@xxxxxxxxxxxxx>
To: HSSG <stds-802-3-hssg@xxxxxxxx>
Sent: Monday, April 03, 2000 6:00 PM
Subject: Re: Interface reality check


>
> Rick,
>
> Agreed. I should have qualified as "pure scrambled" code. 64B/66B
certainly does
> not fit into this category. This is one of the clear benefits of 3.125%
> overhead.
>
> Best Regards,
> Rich
>
> --
>
> Rick Walker wrote:
> >
> > > Agreed.  Cool!  8B/10B plug: 8B/10B supports the detection of poor
> > > signal quality on a link regardless of the information being
> > > transported.  In fact simple receiver circuitry can determine the BER
> > > at the decoder in real time.  Try that with a scrambled code ;_)
> >
> > 64b/66b also supports the measurement of bit error rate by looking at
> > master transition violations regardless of the information being
> > transmitted.
> >
> > You are right, however, in that 64b/66b is not a pure scrambled code,
> > but one augmented by periodic frame sync bits.
> >
> > Best regards,
> > --
> > Rick Walker
>
> -------------------------------------------------------
> Richard Taborek Sr.                 Phone: 408-845-6102
> Chief Technology Officer             Cell: 408-832-3957
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>
>