[c-nsp] Trouble with a NM-2CT1-CSU module

[james edwards]

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> james edwards wrote:
> |>If those numbers are increasing, then this circuit is getting clocking
> |>errors IMHO.
> |
> |
> |
> | cmcs-NMS>sho controllers t1 1/0 brief
> | T1 1/0 is up.
> |   Applique type is Channelized T1
> |   Cablelength is long gain36 0db
> |   No alarms detected.
> |   alarm-trigger is not set
> |   Framing is ESF, FDL is ansi, Line Code is B8ZS, Clock Source is
Internal.
> |   Data in current interval (392 seconds elapsed):
> |      0 Line Code Violations, 0 Path Code Violations
> |      0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
> |      0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail
Secs
> |   Total Data (last 11 15 minute intervals):
> |      1326 Line Code Violations, 0 Path Code Violations,
> |      2 Slip Secs, 167 Fr Loss Secs, 4 Line Err Secs, 0 Degraded Mins,
> |      1 Errored Secs, 0 Bursty Err Secs, 17 Severely Err Secs, 150
Unavail
> | Secs
> | cmcs-NMS>
> |
> | Clock slips are not increasing; I suspect the recorded clock slips are
do to
> | me futzing with the clocking
> | a bit today. I have tried internel on one side and line on the other,
vice
> | versa also. I have set clocking
> | the line/network on both sides as a desperation move as I know no one is
> | providing external timing to this circuit.
> | the Tberd does not indicate any clocking on this line when I have both
sides
> | disconnected from their routers.
> |
>
> The framing errors at the interface level and the Frame Loss seconds
> indicate that the routers are not getting the data framed the same at both
> ends either due to 1) clocking not in sync; or 2) mismatched frame types
> between themselves or the circuit.  I'm skeptical of #2.
>
> Have you looped the circuit at either end either with the router or with
> the T-Berd to see if one side or the other will come up succesfully?

Hmmm..... I want to say we hard looped the router & it came up. I will
recheck this tomarrow
and we are going to see if we can hear LEC timing on this T-1 with the
Tberd.

j



>
> Since this is a T1 within a DS3, I don't recall OTOMH whether it could
> really be clocked externally or not.