[10GBASE-CX4] Signal Detect
Howard,
OK, but even if the intent is to spec loss of signal, the
spec doesn't preclude an implementation losing signal on
a single noise hit, that is my concern.
Steve
> "Dreyer, Steve" wrote:
> >
> > Howard,
> >
> > Took a quick look at the proposed draft and have the following
> > top level comments:
> >
> > 7. For signal detect, it seems that a single noise pulse >100mV
> > would cause a signal detect OK condition. It may be useful to
> > have an algorithm with improved noise rejection.
>
> <HAB>
> If you look at other Signal detect functions in 802.3
> you'll find this
> same issue. The purpose is not to detect a signal but rather
> to detect
> that there is no signal. The name is misleading so pay very cloase
> attention to the wording and you'll see it actually describes
> detecting
> the absense of the signal.
> <HAB>