Re: ethernet card

"glc" <virus@xxxxxxxxxxxx> wrote in message news:4368728b$1@xxxxxxxxxxxxxxx
>
> Hi
> I puchased a socket LP-E pcmcia card from an auction site.
> Unfortunately the socket pcmcia card was supplied with a xircom
> connectivity cable and it doesn't work.
> Is it possible to rewire an existing connectivity cable ?
> I have attempted to use an oscilloscope on an RJ45 cable to see if I can
> compare the trace on the 'unknown' cable with a 'known good pcmcia card
> with cable' on the oscilloscope when using the 'ping' command,(but the
> cable is going nowhere, unterminated) and I find that I cannot get a good
> result.
> Can I use an oscilloscope to view the result of a ping command ?
> What results should I expect on the 8 pins of a RJ45 cable ?
>
> thanx
>
> GC

Ethernet (10--Base-T) using the UTP connector -- only uses pin 1/2 and pin
3/6 ... pin 4/5 are not used to avoid tip/ting POTS possible cross connect
mistakes
and pin 7/8 also not used to avoid other uses.
All covered in the IEEE 10-Base-T, EIA/TIA 568 standards and equivalent EU
standards

gb


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