[Asterisk-Users] Problem with a TDM400

[David Ishmael]

Wow, that’s interesting information to know. I guess the lower power on the
PSTN line causes the problem?



-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Christian
HOFFMANN
Sent: Monday, December 20, 2004 12:27 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Problem with a TDM400

I just get the response from digium support, my FXS module is dead !

They says: "Anyways, if you plug a phone line into an FXS module and
call that line, it will blow the FXS module up."

So I'll have to replace it.

Regards


Le samedi 18 décembre 2004 à 09:23 -0600, Rich Adamson a écrit :
> > I have a small system based on one TDM400 card with
> > - 2 FXO modules for incoming lines
> > - 1 FXS module for one phone
> > 
> > The system was working fine in the past. The motherboard was exchanged
> > and during the switch, the phones line was rewired with a mistake and a
> > incoming phone line was connected to the FXS module, and there was
> > ringing voltage on the module.
> > 
> > Now, the system kinda works but the FXS module stays in state Rsrvd, no
> > ringing, all the call goes directly to voice-mail (it's programmed this
> > way in extensions.conf), no dial-tone on the phone.
> > 
> > Is my FXS module dead ?
> 
> > Freshmaker passed register test
> > Module 0: Installed -- AUTO FXO (FCC mode)
> > Module 1: Installed -- AUTO FXO (FCC mode)
> > Module 2: Installed -- AUTO FXS/DPO
> > Module 3: Not installed
> 
> > Power alarm on module 3, resetting!
> 
> That would be my guess. Looking at the specs for the Silicon Labs chips
> used on the modules, I would have guessed the module would have been
> protected from ringing voltage. But, who knows for sure.
> 
> Might try calling digium support to see what they think.
> 
> 
> 
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