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Re: Interface reality check

> 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

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