[asterisk-users] TDM400P (TDM22P) and aux power.

Joe Acquisto joea at j4computers.com
Wed Sep 12 06:24:37 CDT 2007



>>> On 9/5/2007 at 10:56 AM, Jason Parker <jparker at digium.com> wrote:
> Joe Acquisto wrote:
>> I need to ask, to refresh, is the aux power connector on the TDM400P card 
> *only* to power the ringer on any 
>> analog phones/devices on the system?  
>> 
>> Can I still use this board, to "terminate" POTS lines and use all SIP 
> Phones?
>> 
>> Due to circumstances, I end up with a 1u server that has no aux power 
> connectors available.  I "have to" use this server, so am considering 
> abandoning the analog phones and using all SIP.  
>> 
>> IIRC, the aux power *is* only to power ringers.
>> 
>> joe a.
>> 
> 
> Correct, it is to provide the ringing voltage on the FXS modules.  For 
> systems
> without internal molex connectors available, there is another option.  
> Digium
> has created an externally powered supply that can be used with these cards.
> 
> http://www.digium.com/en/products/hardware/analogpwr.php 

Thanks.  I don't know how I missed this when posted, but, better late than never.

joe a. 




More information about the asterisk-users mailing list