[cisco-voip] Anyone ever see a T1 with CD, No alarms and be down...?

[Go0se]

How far is your T1 extended from the demark? I've seen something somewhat
similar on a T1 with a long extension - we had to use T1 extenders we
ordered from Blackbox.com.

 

Thanks,

 

Go0se

 

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http://atc.go0se.com <http://atc.go0se.com/> 

 

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From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jonathan Charles
Sent: Wednesday, July 28, 2010 3:15 PM
To: Max Pierson
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Anyone ever see a T1 with CD, No alarms and be
down...?

 

Well, not a LOT of slips... also, we replaced the VWIC with a different
one... no change...

On Wed, Jul 28, 2010 at 12:58 PM, Max Pierson <nmaxpierson at gmail.com> wrote:

There's alot of SLIPS which could be tied to timing. Are you receiving clock
from an upstream switch/gateway or is this providing clock to another
switch/gateway??

 

Also, you might want to try just a loop cable on your side to the VWIC and
make sure the port alarm goes away. This will rule out any VWIC issues.

On Wed, Jul 28, 2010 at 11:38 AM, Jonathan Charles <jonvoip at gmail.com>
wrote:

VoiceRtrr#sh controllers t1

T1 0/0/0 is down.

  Applique type is Channelized T1

  Cablelength is short 110

  No alarms detected.

  alarm-trigger is not set

  Soaking time: 3, Clearance time: 10

  AIS State:Clear  LOS State:Clear  LOF State:Clear 

  Version info Firmware: 20090408, FPGA: 13, spm_count = 0

  Framing is ESF, Line Code is B8ZS, Clock Source is Line.

  CRC Threshold is 320. Reported from firmware  is 320.

  Data in current interval (283 seconds elapsed):

     2318053 Line Code Violations, 60446 Path Code Violations

     14 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

     0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 283 Unavail
Secs

  Total Data (last 24 hours)

     682527740 Line Code Violations, 26641064 Path Code Violations,

     4751 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins,

     0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 86400 Unavail
Secs

VoiceRtr#

 

The CD light is lit on the router.

 

Telco tests clean to the CSU.

 

I am confused...

 

Any ideas?

 

Jonathan

 

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