[Asterisk-Users] Is it mandatory to give power supplytoTDM400Pcard

[Steve Maroney]

The power connector is used to supply ringing voltage when fxs
modules are used.

Thank you,
Steve Maroney

On Thu, 11 Aug 2005, Kevin P. Fleming wrote:

> Jonathan k. Creasy wrote:
>
> > The only thing I can think of is that since the card supports 3.3v or 5v
> > PCI slots that maybe on a 3.3v slot it requires the other connection all
> > the time because it really does need the 5v and is just not picky about
> > where it comes from.
>
> No, that is not correct. The +5V power pin on the Molex connector is not
> even wired to anything on the board, it is completely ignored.
>
> As the others have already said, the FXO modules do not use the +12V
> power feed at all. The TDM400P with only FXO modules installed works
> just fine without the auxiliary power connector connected to a power supply.
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