[c-nsp] Debugging T1 Bounces on CT3

[Greg Boehnlein]

On Sun, 14 Aug 2005, Pete Templin wrote:

> Greg Boehnlein wrote:
> 
> > I'm really at a loss. Short of putting in a different brand of mux (which 
> > I can do) I'm not sure what else I can do. I have a Carrier Access Wide 
> > Bank 28 and a Telco Systems Edgelink 100 sitting on the shelf.
> 
> Why not try a different brand of mux?  You'll make a lot more changes to 
> router configurations over the life of the mux than you will to the mux.

That is on the table for this week. We're going to put in a Telco Systems 
Edgelink and see if that helps.
 
> > I'm actually at the point where I am investigating moving to Imagestream 
> > or Juniper gear, as I'm about disgusted w/ Cisco.
> 
> What if it's the fault of the Adtran mux?  Is it fair to blame Cisco for 
> that?

No, but I can blame cisco for insane maintenance contract rates and still 
not being able to solve the problem! ;)

> 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.
> 
> And yes, I'd try a longer piece of cable.

That too..

-- 
    Vice President of N2Net, a New Age Consulting Service, Inc. Company
         http://www.n2net.net Where everything clicks into place!
                             KP-216-121-ST