paolo bevilacqua Mon, 08/20/2007 - 03:22
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The ultimate check is a physical loopback made with a rj48c connector with TX and RX pairs crossed. You would see the controller up and error free no matter framing and what other features are selected. However the PRI if configured would not go up.

krishnamurthy.mh Mon, 08/20/2007 - 05:46
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Hi Paolo,

Thanks for you suggestion. I have given the hardware loop on the port,AL (LED) status glows orange & CD(LED) glows green. In the Router , status still shows down.


Is it means that port has gone bad... pls let me know.


Regards,

paolo bevilacqua Mon, 08/20/2007 - 12:44
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Please state which pins you have crossed on the connector.

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