[c-nsp] Ds3 Issues

[Vinny Abello]

Are you using scrambling on the circuit? Personally I've never had a DS3
work right without scrambling turned on. Check that and enable it on
both ends, especially if all tests are ok but when data is running
across it you get errors.

Juan C. Crespo R. wrote:
> Dears
> 
>     I have one problem with one new Ds3 link, it always shows CRC errors 
> and this show controller output
> 
>    11017 Line Code Violations, 5613 P-bit Coding Violation
>    5360 C-bit Coding Violation
>    887 P-bit Err Secs, 0 P-bit Sev Err Secs
>    0 Sev Err Framing Secs, 0 Unavailable Secs
>    901 Line Errored Secs, 887 C-bit Errored Secs, 0 C-bit Sev Err Secs
>  Total Data (last 1 15 minute intervals):
>    11017 Line Code Violations, 5613 P-bit Coding Violation,
>    5360 C-bit Coding Violation,
>    887 P-bit Err Secs, 0 P-bit Sev Err Secs,
>    0 Sev Err Framing Secs, 0 Unavailable Secs,
>    901 Line Errored Secs, 887 C-bit Errored Secs, 0 C-bit Sev Err Secs
> 
>     It happens only against   the router, using Protocol Analyzers 
> Equipment I always shows  OK.
> 
>     Googling, I found a lot of forums writing about the issue  and 
> advising to use one Cisco Ds3 Attenuator, but I can't find the Cisco Ds3 
> Attenuator, so I'm thinking buy one * 75FP-XXX-2G BNC found on this URL 
> http://www.rf-attenuators-dividers-terminations-switches.com/JFW_75ohm_Fixed_Products.aspx
> 
> *
> 
> *    Any Idea or comment will be appreciated..
> *
> 
> *
> JC
> *
> 
> **
> 
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