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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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