[c-nsp] Debugging T1 Bounces on CT3

[Greg Boehnlein]

On Sun, 14 Aug 2005, Robert E.Seastrom wrote:

> 
> Pete Templin <petelists at templin.org> writes:
> 
> > I deal with ~40 Adtran MX2820s, some of which go to PA-MC-2T3+ cards. 
> > MX2820 isn't the same as MX2800 (7xDS3 vs. 1xDS3, and if I understand 
> > correctly it's completely different hardware), but I'm having the same 
> > problems as you on muxes that are particularly close to the PA.  The 
> > problem appeared when we swapped out the CAC WideBank 28s for the Adtran 
> > MX2820, so hence my thinking that the problem is in the mux.
> 
> Sidebar regarding the CAC M13 muxes: Everyone I know who uses 'em
> loves 'em, and they retain pretty high value on the secondary market,
> which suggests that this is not an isolated phenomenon.
> 
> Did you like your WideBank 28s?  I am realistic enough to realize that
> there are good reasons (spares standardization, etc) to swap out
> working hardware that you like in favor of something that is the same
> as the rest of your network...

Yes.. I like the WideBank muxes, but they do not have a battery backed 
NVRAM so when they lose power, you have to do a bunch of re-configuration. 
They also didn't (as of the time this one came out of service) support an 
NTP client, so you had to manually set the time, which made it hard to 
verify log details.

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