Or heat... intermittent failures can often be resolved to a heat-sensitive
connection somewhere along the way, especially if your problems show up in
the summer but not winter.
"Daniel Cotts" <[EMAIL PROTECTED]> wrote in message
303479FA060CD211B8930000F805A88A5E38CE@EXCHANGE1">news:303479FA060CD211B8930000F805A88A5E38CE@EXCHANGE1...
> Look for a corelation between outages and weather. High winds or rain.
> Many years ago I worked for NYTel. Fiber didn't exist then. Only copper
for
> T-1s. At one repeater location in a manhole there was a bad seal on the
can
> or the repeater folks wanted job security. Every time there was a major
rain
> we would start to loose spans. Same order every time as the can filled
with
> water.
>
> > -----Original Message-----
> > From: John Neiberger [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, June 27, 2000 11:11 AM
> > To: [EMAIL PROTECTED]
> > Subject: Slightly OT: Telco Line Problems
> >
> >
> > We are having some odd line problems at one of our branches
> > that none of us
> > have been able to figure out so I thought I'd throw this one
> > out to the
> > group.
> >
> > From time to time, sometimes many weeks in between events, our csu/dsu
> > begins to report OOF and AIS (T1 yellow alarm) errors, but
> > the line will
> > stay up for a while. Then, at some point, we'll get a T1 red
> > alarm and the
> > circuit will die. We call USWest who then tests the line.
> > According to
> > them, they've replaced just about everything between the CO and our
> > location, and the line tests clean. Friday it was bouncing
> > every 30-60
> > seconds so we had them test it again. Since the test, it has
> > been error
> > free but they claim not to have discovered any problems.
> >
> > This is the endless cycle so far: the line dies, they test,
> > they report no
> > problems, line mysteriously works fine after test for a
> > several weeks, the
> > line has problems, the line dies, they test...etc.
> >
> > My only remaining guesses are these two: bad csu/dsu that
> > isn't bad all the
> > time, or intermittent problems at the location (we share it
> > with a very
> > large supermarket.)
> >
> > Any thoughts?
> >
> > TIA,
> > John Neiberger, CCNA/CCDA
> >
> >
> >
> >
> >
> > _______________________________________________________
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>
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