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Article #565

Re: Unusual external modem problem

#565
From: Lubiraz Alerano
Date: Tue, 03 Aug 2010 08:01
50 lines
3600 bytes
On Aug 3, 2:04 pm, BrianM <bmor...@nilads.co.invalid> wrote:
> On Mon, 02 Aug 2010 17:39:54 +1000, Peter D. wrote:
> > on Mon, 2 Aug 2010 16:19
> > in the Usenet newsgroup aus.computers.linux BrianM wrote:
>
> >> Mandriva O/S with KDE.
>
> >> I have KPPP set up (and working fine) for a dialup system into Bigpond.
> >> My modem is an older data/fax/voice 56000bps model. Ok it's slow but it
> >> works and it's cheap. I've used a double adaptor to split the line at
> >> the phone jack.
> >> However, when I take the tower to a friend's place half a kay away and
> >> plug the modem into their phone jack, it can't find a dial tone. When I
> >> go to KPPP configure and run the Query modem ATI, it comes back blank,
> >> and also wipes out most of the settings in Modem commands as well. I've
> >> changed modem cables checked all the connections but still can't get the
> >> modem to dial - weird !. The problem appears to be located at the line
> >> but I don't know how to unravel it.
>
> >> any thoughts please?
>
> > Can't find the dial tone?  Have you tried that with a telephone handset?
>
> > If your friend has naked ADSL, there won't be a dial tone and you can not
> > use a dial up modem.
>
> > Were any lights on or flashing on the modem? Which?
> > Was the power turned on?
> > What did kppp report that was different from what it does at home? Did you
> > try unplugging the phone?  Not using the double adapter?
>
> As you suggested, I plugged the modem cable from the wall jack into a
> phone and got a perfectly good dialtone. Also contacted Telstra and had
> them run a line test which was fine - the modem should work but it doesn't
> at this address. I disconnected the existing cordless phone, removed the
> cable completely, but it made no difference, so it's back to the
> connections from the modem to the serial plug on the tower - it can't
> be anything else.
>
> cheers
> Brian

Simple tell the modem NOT to listen to dial tone. It was 'The Order'
that solved my problems with dialing as the tones sent by exchange
were evidently different to those that the hardware was tuned to, so
it reported "No dial tone!".
Our ears can hear many different tones interpreting them as dial tone.
Hardware IS stupid.

Have fun.
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References: <pan.2010.08.02.06.19.30.532848@nilads.co.invalid> <ab9ii7-kq5.ln1@psd.motzarella.org> <pan.2010.08.03.04.04.04.332187@nilads.co.invalid>

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From: Lubiraz Alerano <compaid@aussiebroadband.com.au>
Newsgroups: aus.computers.linux
Subject: Re: Unusual external modem problem
Date: Tue, 3 Aug 2010 01:01:49 -0700 (PDT)
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References: <pan.2010.08.02.06.19.30.532848@nilads.co.invalid> 
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