asterisk users - Aug 2005 - Is it mandatory to give power supply to TDM400Pcard

Is it not for a card with 4 FXO? I spent several hours the other day
trying to figure out what I had done wrong and I ahd forgotten to
connect the power cable. 

I setup several of these before and couldn't figure out why this one
didn't work. It appears that's all it waqs. 

Without the power connecter the card will probe, and even appear to be
working but when the lines ring (coming into the FXO port) it will not
indicate the ring status to asterisk. 

-Jonathan

-----Original Message-----
From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Time
Bandit
Sent: Wednesday, August 10, 2005 3:04 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Is it mandatory to give power supply to
TDM400Pcard
> I can modprobe TDM400P card without feeding power
> supply , so what is the purpose of providing power
> supply in that card.
> Can any body tell me
It is needed if you have FXS ports on it, because the card will need
to provide ringing voltage to the phone.

hth
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Is there any reason why anyone wouldn't just plug it in anyway? Why mess
around trying to figure out when it does work and when it doesn't, we
know it definitely works when you plug it in, and I can't think of any
good reason why you wouldn't.

Even if you don't have a free connector, get a Y-cable. (For example, my
card is installed in a SFF Compaq Deskpro, which didn't have any free
connectors...)

Tom
> -----Original Message-----
> From: asterisk-users-bounces@lists.digium.com 
> [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of 
> Jonathan k. Creasy
> Sent: Wednesday, August 10, 2005 3:31 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: RE: [Asterisk-Users] Is it mandatory to give power 
> supply to TDM400Pcard
> 
> 
> Is it not for a card with 4 FXO? I spent several hours the 
> other day trying to figure out what I had done wrong and I 
> ahd forgotten to connect the power cable. 
> 
> I setup several of these before and couldn't figure out why 
> this one didn't work. It appears that's all it waqs. 
> 
> Without the power connecter the card will probe, and even 
> appear to be working but when the lines ring (coming into the 
> FXO port) it will not indicate the ring status to asterisk. 
> 
> -Jonathan
> 
> -----Original Message-----
> From: asterisk-users-bounces@lists.digium.com
> [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of 
> Time Bandit
> Sent: Wednesday, August 10, 2005 3:04 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] Is it mandatory to give power 
> supply to TDM400Pcard
> 
> > I can modprobe TDM400P card without feeding power
> > supply , so what is the purpose of providing power
> > supply in that card.
> > Can any body tell me
> It is needed if you have FXS ports on it, because the card 
> will need to provide ringing voltage to the phone.
> 
> hth
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BS! Fxo modules do "not" require the power connector, period. The
connector
is only used to develop ringing voltage for fxs modules. It's very easy to
trace the power connector wiring and find that it goes nowhere when fxo modules
are used.

------------------------
> Is it not for a card with 4 FXO? I spent several hours the other day
> trying to figure out what I had done wrong and I ahd forgotten to
> connect the power cable. 
> 
> I setup several of these before and couldn't figure out why this one
> didn't work. It appears that's all it waqs. 
> 
> Without the power connecter the card will probe, and even appear to be
> working but when the lines ring (coming into the FXO port) it will not
> indicate the ring status to asterisk. 
> 
> -Jonathan
> 
> -----Original Message-----
> From: asterisk-users-bounces@lists.digium.com
> [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Time
> Bandit
> Sent: Wednesday, August 10, 2005 3:04 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] Is it mandatory to give power supply to
> TDM400Pcard
> 
> > I can modprobe TDM400P card without feeding power
> > supply , so what is the purpose of providing power
> > supply in that card.
> > Can any body tell me
> It is needed if you have FXS ports on it, because the card will need
> to provide ringing voltage to the phone.
> 
> hth
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users@lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
> _______________________________________________
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> Asterisk-Users@lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
> 
---------------End of Original Message-----------------