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VIP Super Bronze

E1 Controller down shwoing: Receiver is getting AIS

Hi,

I have an E1 controller that is down indicating a rx AIS....As shown below

E1 0/0/0 is down.

Applique type is Channelized E1 - balanced

Receiver is getting AIS.

alarm-trigger is not set

Version info Firmware: 20070320, FPGA: 20, spm_count = 0

Framing is CRC4, Line Code is HDB3, Clock Source is Line.

CRC Threshold is 320. Reported from firmware is 320.

Data in current interval (598 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, 598 Unavail Secs

Data in Interval 1:

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, 900 Unavail Secs

Data in Interval 2:

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, 900 Unavail Secs

Data in Interval 3:

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, 900 Unavail Secs

What can I look out for, I have checked for a few doccs on cisco and its pointing toa fault on my telco..

ANy ideas

Please rate all useful posts "The essence of christianity is not the enthronement but the obliteration of self --William Barclay"
9 REPLIES
Hall of Fame Super Gold

Re: E1 Controller down shwoing: Receiver is getting AIS

It can be either a circuit fault, or the device on the other end is turned off or port shutdown.

VIP Super Bronze

Re: E1 Controller down shwoing: Receiver is getting AIS

Paolo,

Thanks for the reply..

What do you mean device on the other end..This is an isdn30 circuit..do you mean the Telco switch?

Please rate all useful posts "The essence of christianity is not the enthronement but the obliteration of self --William Barclay"
Hall of Fame Super Gold

Re: E1 Controller down shwoing: Receiver is getting AIS

Yes, an inactive port on the switch would show AIS to your side.

VIP Super Bronze

Re: E1 Controller down shwoing: Receiver is getting AIS

Thank you, I am chasing the Telco provider already..

Thanks

Please rate all useful posts "The essence of christianity is not the enthronement but the obliteration of self --William Barclay"
Hall of Fame Super Gold

Re: E1 Controller down shwoing: Receiver is getting AIS

Be persistent, they will refuse to admit fault (they are taught so in school).

One technique that works, I' ve used it yesterday, you set loopback on the router ("loopback local line" under controller), tell them that you have, at that point the ball is in their field.

VIP Super Bronze

Re: E1 Controller down shwoing: Receiver is getting AIS

Paolo,

You are great!

I did set the loop back on the line and it came up with noi alarms...

Thanks

Please rate all useful posts "The essence of christianity is not the enthronement but the obliteration of self --William Barclay"
Community Member

Re: E1 Controller down shwoing: Receiver is getting AIS

Post has saved me as well thanks paolo!! i am having the same issue with the alarms being sent.. the controller has been going up and down for weeks now its finally down and the telco are telling me its nothing to do with them so now at least i can tell them it is..

Hall of Fame Super Gold

Re: E1 Controller down shwoing: Receiver is getting AIS

Thank you for your appreciation, and good luck!

Community Member

Re: E1 Controller down shwoing: Receiver is getting AIS

no problems :) i take it back though its now flapping again. do you have any advice on diagnosing these sort of issues?

Dan

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