[c-nsp] PA-MC-T3 trouble with individual T1 channels

[Jay Nakamura]

Could the incoming signal gain be too strong?  I had similar problem with an
ds3 card before and putting attenuators fixed the issue.
On Sep 15, 2011 6:00 PM, "Nick Voth" <nvoth at estreet.com> wrote:
> Folks,
>
> I've been having about 1 T1 per month go down on a specific slot in a 7206
> VXR. It's slot 4. I have replaced the PA-MC-T3 that is in there, but I
still
> keep getting individual T1 circuits go down. Each time, it's a different
> channel on the DS3 card that is "down".
>
> We have opened tickets with the telco and say everything looks clean on
the
> DS3, but when a T1 is down, they can't loop up that individual channel on
> the DS3 card.
>
> We have been assuming the card was bad so we've just replaced it a couple
of
> times, BUT today we just pulled the existing one out and reseated it. The
> down T1 came back up and runs clean now....
>
> I know this is old equipment, but anyone have similar issues? The cards
are
> cheap enough that we can replace them, but having to do that every month
or
> two seems really odd. Especially now that just reseating the DS3 card
seems
> to have worked. I'm worried there might be something more sinister going
on.
>
> Thanks in advance,
>
> -Nick Voth
>
>
>
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