Hi Jose; As a first step I would call the Nortel support center in your region. I'm sure that they would be most happy to help you with your problem. If not then this information might help (I know it is not DS3 focused, but may be related to the SDH network that you are using) http://www.chipcenter.com/TestandMeasurement/tn023.html This page go's into detail about the troubleshooting process. It also mentions PathCodeViolations and might give you some more insight on where to look. Have you also considered running a BERT test on the line? Dean On Tue, Oct 23, 2001 at 03:20:22PM -0500, PER-LIM-Cabanillas, Jose wrote:

Hi, I'am writing from Per?, here we have a Nortel Passport 7400 with a 3 ports DS3 card. we are recently connected to other Passport in USA through Global Crossing (GC) SDH network. between the GC ADM and our Passport (ATM Switch) we have 50 meters of coaxial cable with BNC connectors. We checked the cable, its OK. the problem is that in the DS3 statistics, we have PathCodeViolations. we have this config used from USA to others places so we don?t know what is the problems (maybe the SDH network?). If the problem is in the SDH how can I detect it ?. I can find information about DS3 and PathCodeViolations. I'll be appreciate any information or relative link Thanks

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