asterisk users - Dec 2005 - problem with tdm400 fxo

Hi,
I'm experiencing a very weird behaviour with my tdm400 with two fxo and one
fxs modules. I setup my current configuration at home, I tried it and it
works flawlessly. I moved the computer to my office and plugged the fxo to
the wall plug, but when I tried to call I got a busy signal. I attached the
same wire to a phone, I called again and the phone rang. I tried with both
the fxo ports, but I always got a busy signal and on the CLI Asterisk
doesn't notice the incoming call at all. Outgoing calls do not work either.
So I moved again the computer to the home of a friend, and it there it works
too as it does at my place. When I plugged the TDM at the office no other
phone was plugged in the whole structure.

I'm really puzzled and I don't know why it is behaving this way. Any
hints?

Cheers,
fc
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Hello Filippo,

What revision of TDM400P do you have? Is it REV I?

I have REV I and had the same problem before. I had problem when I connected the
FXO port to the all plug using 4 wires phone cable. It turned out that the RJ11
port of FXO or FXS in REV I, does not work when pin 1 and pin 4 are connected to
something. My problem was solved after I changed the cable to 2 wires phone
cable.

Cheers,

Anto
  ----- Original Message ----- 
  From: Filippo Carone 
  To: asterisk-users@lists.digium.com 
  Sent: Friday, December 23, 2005 11:22 PM
  Subject: [Asterisk-Users] problem with tdm400 fxo


  Hi,
  I'm experiencing a very weird behaviour with my tdm400 with two fxo and
one fxs modules. I setup my current configuration at home, I tried it and it
works flawlessly. I moved the computer to my office and plugged the fxo to the
wall plug, but when I tried to call I got a busy signal. I attached the same
wire to a phone, I called again and the phone rang. I tried with both the fxo
ports, but I always got a busy signal and on the CLI Asterisk doesn't notice
the incoming call at all. Outgoing calls do not work either.
  So I moved again the computer to the home of a friend, and it there it works
too as it does at my place. When I plugged the TDM at the office no other phone
was plugged in the whole structure.

  I'm really puzzled and I don't know why it is behaving this way. Any
hints?

  Cheers,
  fc 


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