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
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