[asterisk-users] tellabs 2572 echo can and zaptel yellow alarm

[Eric "ManxPower" Wieling]

In my experience Yellow Alarm (AIS) on Tellabs indicates that the box 
does not see a T-1 on one side.

marvin horst wrote:
>>
>>
>> Bad card?
> 
> 
> I wired up another card and got the same result .
> 
> On the red Rcv In, have you tried swapping out the cable for the
>> opposite cable type.  If xfer, change to straight though?  Also, have
>> you tested both of the cables to verify they are good?
> 
> 
> I've confirmed that the cables are good.
> 
> I tried it on another asterisk system that is a 1.2 version, same result.
> 
> Both systems have the old T100P digium cards maybe that's the problem. I
> guess I'll have to purchase the newer cards with the hardware echo can. :(
> 
> I had hoped to get these tellab cards working with my current hardware.
> Does anyone have other suggestions?
> 
> 
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