Re: [WinMac] Cable Scanner?

Romeyn Prescott(prescor[at]potsdam.edu)
Sat, 29 Jan 2000 20:48:15 -0500

I should have mentioned that this scanner also pinpointed a fault
(short or open) to within a foot from the scan point. No ohm meter's
gonna do THAT!

To those of you suggesting that we replace our entire campus
infrastructure with 10BaseT, well, I echo the sentiment.
Unfortunately, 10 years ago when the decision to wire our campus was
made, Thin looked to be the way things were going. Or that's the way
they were at the time. No matter what drove the decision, obviously
no one was thinking scalability! So now we're stuck with it. We
have a 155Mb ATM backbone, but with a few exceptions, most of the
rest of our network is 10Base2 or 10BaseT. The fiber links from our
DecSwitches are 10Mb also, to DEMPR Thin repeaters with daisy loop to
all offices from wiring closets. A dog. Yes. But when you consider
that 95% of our user base uses the technology for chacking E-mail
(who needs to do THAT at 100Mb speed?) and Web surfing (with a huge
bottleneck at the SUNYNet gateway in Syracuse and/or Buffalo) and not
much in the way of local file transfer, it's not THAT bad.

Yes, we're pretty entrenched in Thin Ethernet, and unless the
governor sees fit to channel some lottery money into the SUNY system,
it won't be changing any time soon!

...ROMeyn

> Oops! I meant to write more than 22 ohms and less than about
>32 ohms. This
>corresponds to 50 ohms/2 minus 10% (which is the two 50 ohm terminator
>resistors in parallel - 10% tolerance).
>
>At 08:30 PM 1/28/00 -0500, I wrote:
> >
> > Analog VOM (Volt-Ohmmeter). Look for more than 35 ohms, and less than
> >about 50 ohms.
>
>
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This archive was generated by hypermail 2.0b2 on Sat Jan 29 2000 - 18:20:34 PST