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Home > Archive > Red Hat Installation > February 2004 > RH 9 - Modem Problem
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RH 9 - Modem Problem
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| Sandgroper 2004-02-28, 8:33 am |
| I have a problem with my modem and it is driving me nuts.
The problem is that I am getting static noise comming from the modem after
the handshake protocol has finished.
The connection is fine and I can web browse and do email/news OK , but in
short , I consistently have static ( white ) noise comming from my modem
all the time when I am connected.
When I first installed the modem everything was fine up until last week when
when I started to add a few IP addresses to setup a LAN with my other
computer running RH 9 ( build 2.4.20-30.9 )
I did have this problem once before , but somehow I ended up getting rid of
it , but I can't remember how I did it.
I have deleted the modem acounts , rebooted with the modem switched off to
uninstall the modem and then rebooted again to get the system to detect the
modem again.
I have just about done everythng I can think of to get rid of this static
noise , played around with the modem volume levels ..... etc but stuffed
if I can get rid of it.
System : RH 9 build 2.4.20-30.9
Has anybody got any suggestions on how to fix the problem ?
Thanks
--
Sandgroper
------------------------
Remove KNICKERS For Email
steveray@KNICKERSiinet.net.au
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| On Sat, 28 Feb 2004 20:58:59 +0800,
Sandgroper <steveray@KNICKERSiinet.net.au> wrote:
> The connection is fine and I can web browse and do email/news OK, but in
> short, I consistently have static (white) noise coming from my modem
> all the time when I am connected.
Play with the AT M commands in your modem init string.
Speaker Muting control
----------------------
M0 Speaker is always off.
M1 On while dialling, off after connected.
M2 On all the time.
M3 Off during dialing, on until connected, off afterwards.
M1 is the usual default. It's advisable not to use M0 (or just M by
itself, which means exactly the same thing) until you're absolutely
certain that you've configured the right phone number into a system.
It's also advisable to change to using M1 if you ever start having
problems connecting.
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| Sandgroper 2004-02-28, 12:34 pm |
|
"Tim" <Tim@mail.localhost> wrote in message
news:ada140lfvs9sptetv3s0tl6tnt1l3v2o0e@
4ax.com...
> On Sat, 28 Feb 2004 20:58:59 +0800,
> Sandgroper <steveray@KNICKERSiinet.net.au> wrote:
>
>
> Play with the AT M commands in your modem init string.
>
> Speaker Muting control
> ----------------------
> M0 Speaker is always off.
> M1 On while dialling, off after connected.
> M2 On all the time.
> M3 Off during dialing, on until connected, off afterwards.
>
> M1 is the usual default. It's advisable not to use M0 (or just M by
> itself, which means exactly the same thing) until you're absolutely
> certain that you've configured the right phone number into a system.
> It's also advisable to change to using M1 if you ever start having
> problems connecting.
Thanks !
I will try the M1 setting , I didn't know that there was a speaker muting
control and I haven't seen it anywhere in the config files like ifcfc.ppp0 ,
so it must be the default and somehow my modem has reset this setting.
I forgot to mention that I have a hardware modem , Dynalink 56Pro , with a
Rockwell chipset.
--
Sandgroper
----------------------------------
Remove KNICKERS to Email
steveray@KNICKERSiinet.net.au
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