PRI config guide on ISR 2800-UAE

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Feb 26th, 2009
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Hi,


I have terminated PRI into ISR 2800. All config is ok interims linecoding, framing, clock source etc. PRI line is tested by ISP-Ok.


But it shows E1 down in sh commands with the status LED yellow.


Is there any specific setting to be done for UAE regions??

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paolo bevilacqua Thu, 02/26/2009 - 09:54
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Send output of "show controller E1", and check your cabling.

E1 is the same in all the world.

acharyr123 Thu, 02/26/2009 - 10:39
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After issuing the same command i can get " receiver has remote alarm" rest all looks fine.





paolo bevilacqua Thu, 02/26/2009 - 10:56
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Check cabling, receiver is not seeing router signal.



paolo bevilacqua Fri, 02/27/2009 - 08:20
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You probably have a major cabling problem, which cabling are you using now ?

acharyr123 Fri, 02/27/2009 - 09:23
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I am sorry..i didn't get your question (i am using cabling 1245)

paolo bevilacqua Fri, 02/27/2009 - 10:05
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What is the cable that goes from router to telco ? Is telco 120 Ohm / unbalanced ?

Do you mean pins 1-2 and 4-5 of RJ-45? Are you respecting pair twisting ?


After the cable is OK, if still problems, the circuit is defective. There are no other alternatives.

acharyr123 Fri, 02/27/2009 - 11:16
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Yes..it is 120Ohm/unbalanced...Pins 1-2 & 4-5 been used..As per the ISP the PRI line is tested OK...Any suggestions..

paolo bevilacqua Fri, 02/27/2009 - 11:28
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Invite SP on premises and have them place and receive calls using a test device, in front of you.

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