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

[Joe Acquisto]

>>> On 9/5/2007 at 1:06 PM, Matthew Fredrickson <creslin at digium.com> wrote:
> Thomas Kenyon 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?
>>>
>> Yes, you only need to connect a power supply if you have FXS boards.
>> 
>>> 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.
>>>
>> I don't remember if it is also needed to provide the potential for the
>> line as well, but I cat testify to the fact that you can comfortably run
>> a TDM400P with 4 FXO boards on it and nothing plugged into the PSU header.
> 
> That is correct.  You *only* need the power connector plugged in for FXS 
> modules.  FXO modules do not need them.

Thanks to all who responded.  My hunt for cheap, err, inexpensive, Polycom's continues.

joe a.