[asterisk-users] Problem: Digium TDM400 with XOptionsFlex - Solved

[Matthew Fredrickson]

Thomas Klettke wrote:
> On Sat, 2008-03-22 at 12:48 -0400, John Novack wrote:
> 
>>>   
>> Assuming you have also checked the obvious possible defects regarding 
>> cords from the XO device to the Digium card, what happens if you reverse 
>> tip and ring?  
> 
> John,
> you were right on the money: I've found that the two lines that gave me
> problems had the polarity reversed. Correcting it solved the problem. I
> wish I had checked that last week - before spending hours on
> troubleshooting ...
> 
>  
>> Not certain even if the Digium FXO circuit is even sensitive to line 
>> polarity, 
> Apparently it is - unlike the Sangoma A200 which worked with either
> polarity.
> 
> Thanks for your help I can't say how much I appreciate it.
> Let me know if you're ever in the Houston area: I'll buy you a beer, or
> two ;-)
> 
> Cheers,
> Thomas
> 
>> John Novack

Just to let you guys know, we're looking into this to see why this might 
be happening.  We'll keep you posted when we find out what's wrong.

-- 
Matthew Fredrickson
Software/Firmware Engineer
Digium, Inc.