Errors from CSR's CSU

[alison.hou]

AT&T responded that it ran clean to the smart jack and taking errors from the CSR's CSU after a ticket was opened for a circuit down. We have 2811 router connecting to AT&T MPLS service through a serial interface.

what should I check in my router for the CSU errors? 

[Sandeep Choudhary]

Hi Alison,

Here is the doc to find the CSU ERROR or just to check serial line:

http://www.cisco.com/en/US/docs/internetworking/troubleshooting/guide/tr1915.html

Regards

Please rate if it helps.