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SubjectRe: OT: Which Gigabit ethernet card?
> > > I would hope a decent cable tester would test for effects at useful
> > > frequency. The frequency of a battery is too low to reveal some problems.
> >
> > "Frequency of a baterry"? What the hell is that? Baterry provides direct
> > current, not alternating one... Tester provides it's own testing signals.
> Clearly I need to add a smiley for the humour-impared.
> The original post you clipped implied that all you needed was a pair of
> RJ45 sockets and a battery, which would do continuity testing only.

Which is exactly what was *required* - we were talking about
identifying crossover and non-crossover cables, which is why I
suggested the battery and LED in a spare wallplate solution, which
works perfectly.


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