Karl Cunningham wrote:
>
> I solved a similar bizarre LAN problem by threading one of the CAT-5 cables
> through a ferrite toroid core as many times as it would go. The symptoms
> were similar to yours and not consistent -- any time any hardware changed
> the symptoms would change. One of the machines on the network was putting
> noise on the line and messing up one of the switches. Putting a long cable
> (80') between that machine and the switch fixed it, but not wanting a mess
> of cables tried the ferrite core on that cable and it worked too.
>
> If you have more trouble, you might consider the ferrite core method.
>
> Karl
The ol' "short cable near-end cross-talk" problem... :^)
This might also be "fixed" with tighter twists in the cable... >10
twists/inch... I really hate the cable vendors who skimp on parts... cable
manufactured by Nortel *should* be pretty good... A colleague (when I was at
BNR (Nortel) circa 1988) sure made the point to the manufacturing arm...
Pierre
