[c-nsp] Line Code Violations on DS3

[Nick Voth]

>> Hello folks,
>> 
>> I need another set of eyes on this. We have a new channelized DS3
>> plugged in > to a Cisco 7206-VXR with a PA-MC-T3 card. We can't seem to
> get rid of
>> the Line Code Violations and P-bit Coding Violations. See what we've done
>> below this output...
> 
> Try putting a 12 db attenuator on the transmit portion, then re-try your
> loopback. We've found that the PA-MC-T3 cards tend to overdrive the DS3 a
> bit, and the only way that we've been able to get rid of the errors is
> attenuating the transmit load.
> 
> Cisco makes a kit for this, but the part number escapes me now.. Try
> searching for DS3 Attenuator on google..
> 

Interesting, you're saying to put an attenuator on the transmit portion of
the card. Some of the Cisco documentation is saying to put it on the receive
portion. Is there any way using the "show controller" output to tell which
one has the "hot" signal?

Thanks,

-Nick Voth