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New Member

PRI issue

while testing by ISP on there tester PRI works foine but when the with the same cable we terminate on Router it shows following error.

E1 0/1/0 is down.

  Applique type is Channelized E1 - balanced

  Transmitter is sending remote alarm.

  Receiver has loss of signal.

  alarm-trigger is not set

6 REPLIES
VIP Super Bronze

PRI issue

This is a layer 1 issue...You need to check your cabling..

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Re: PRI issue

Loss of signal troubleshooting.

http://www.cisco.com/en/US/tech/tk713/tk628/technologies_tech_note09186a00800fb754.shtml#topic3

One important quote " 4:If you have completed all of these steps and you still experience problems, use a rollover cable."

New Member

PRI issue

I checked with Cross-cable same issue,  Service provider check on the PRI tester its works when connect on Router not works,,, I checked with the New Cables...following is the output when we run devug isdn command..

ISDN TEST CALL #0 to XXXXXXXXXX at 64 Kbps failed aborting the remaining 1 calls

PRI issue

Hi Vijay,

Please post your "Show isdn status"

Regards,

Nishant Savalia    

Regards, Nishant Savalia
VIP Purple

PRI issue

Hi Vijay,

check the pairs

should be 1,2 and 4,5 else swap them.

regds,

aman

Cisco Employee

PRI issue

If cable is fine then you should check the framing and line coding configured under the controller. It must match on your side and ISP side.. You can verify using below command:

Bru#show controllers e1 
E1 0 is up. 
  Applique type is Channelized E1 - balanced 
  No alarms detected. 
  Version info of Slot 0:  HW: 2, Firmware: 4, PLD Rev: 2
Manufacture Cookie is not programmed. 
Framing is CRC4, Line Code is HDB3, Clock Source is Line Primary. 

Piyush Jain
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