Re: T1 Line Code Violation

From: Jason Miller (jasmille@xxxxxxxxx)
Date: Wed Nov 07 2001 - 01:00:42 GMT-3


   
Steven,

The framing errors (900 Fr Loss Secs) as well as the unavailable seconds indica
tes the entire T1 is down. Signalling (or data) will not work if you have fram
e loss. I would look at what is causing the T1 to go down before fine tuning s
ignalling.

At 01:12 AM 11/7/2001 +0800, Steven Lee wrote:
>Hi all, one of my customer Voice GW having the signalling problem with their
>TSP PBX switch. I can see the counter increase on line code violation. Is
>there anything that we can do to fine tune the T1 CAS signalling ? See the
>following 'show controller t1' output:
>
>T1 2 is up.
> Applique type is Channelized T1
> Cablelength is short 133
> No alarms detected.
> alarm-trigger is not set
> Version info of slot 0: HW: 4, PLD Rev: 0
>
>Manufacture Cookie Info:
> EEPROM Type 0x0001, EEPROM Version 0x01, Board ID 0x42,
> Board Hardware Version 1.32, Item Number 800-2540-02,
> Board Revision A0, Serial Number 11687781,
> PLD/ISP Version 0.0, Manufacture Date 30-Apr-1999.
>
> Framing is SF, Line Code is AMI, Clock Source is Internal.
> Data in current interval (726 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
> Data in Interval 1:
> 27131490 Line Code Violations, 0 Path Code Violations
> 0 Slip Secs, 414 Fr Loss Secs, 414 Line Err Secs, 1 Degraded Mins
> 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 414 Unavail Secs
> Data in Interval 2:
> 58981500 Line Code Violations, 0 Path Code Violations
> 0 Slip Secs, 900 Fr Loss Secs, 900 Line Err Secs, 0 Degraded Mins
> 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 900 Unavail Secs
> Data in Interval 3:
> 58981500 Line Code Violations, 0 Path Code Violations
> 0 Slip Secs, 900 Fr Loss Secs, 900 Line Err Secs, 0 Degraded Mins
> 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 900 Unavail Secs
> Data in Interval 4:
> 7801732 Line Code Violations, 0 Path Code Violations
> 0 Slip Secs, 120 Fr Loss Secs, 135 Line Err Secs, 2 Degraded Mins
> 25 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 120 Unavail
>Secs
> Data in Interval 5:
> 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
Jason Miller
Systems Engineer - Cisco Systems
Phone: 985-624-6834
Cell: 985-807-7190



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