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Greg Freemyer wrote:
> On Wed, 2004-04-07 at 14:43, griffisb at bellsouth.net wrote:
>
>>Hey all, had an off-topic question about Gigabit Ethernet specs. Is it supported on Cat 5 cable, patch panels and patch cords - or is Cat5e or better required. Distance is 100 meters, correct?
>>
>>I'm seeing a lot of errors on some GigE ports at work, and beleive it to be infrasture-related.
>>
>>_______________________________________________
>>Ale mailing list
>>Ale at ale.org
>><a rel="nofollow" href="http://www.ale.org/mailman/listinfo/ale";>http://www.ale.org/mailman/listinfo/ale</a>
>
>
> I don't know the details, but I do know that patch panel punch down
> techniques that work for 100 Mbit don't work for GigE.
>
> For instance, with 100 Mbit it was not unusual to unwind several inches
> of individual wires near the punch downs.
>
> With GigE, much tighter tolerances are needed for maintaining the
> twisted pairs all the way to the punch down. (For some reason I'm
> thinking less than 6 inches of untwisted cable cummulative over the
> end-to-end connection. If you are using multiple punch downs, then it
> adds up quickly.)
>
> So, if you are doing punch downs (even if you have all GigE acceptable
> components) it is easy to mis-install patch panels, etc.
>
> Greg
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<li><strong><a name="00303" href="msg00303.html">[ale] OT: GigE Copper specs</a></strong>
<ul><li><em>From:</em> freemyer-ml at NorcrossGroup.com (Greg Freemyer)</li></ul></li>
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<li><strong><a name="00240" href="msg00240.html">[ale] OT: GigE Copper specs</a></strong>
<ul><li><em>From:</em> griffisb at bellsouth.net (griffisb at bellsouth.net)</li></ul></li>
<li><strong><a name="00245" href="msg00245.html">[ale] OT: GigE Copper specs</a></strong>
<ul><li><em>From:</em> freemyer-ml at NorcrossGroup.com (Greg Freemyer)</li></ul></li>
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