Re: Mobile Broadband - High speed or 1X

[Dan Williams <dcbw redhat com>]

On Thu, 2011-08-25 at 17:02 -0500, Dan Williams wrote:
> On Fri, 2011-08-26 at 03:12 +0530, elison niven gmail com wrote:
> > 
> > 
> > On Fri, Aug 26, 2011 at 1:54 AM, Dan Williams <dcbw redhat com> wrote:
> >         On Sun, 2011-08-21 at 01:50 +0530, elison niven gmail com
> >         wrote:
> >         > Hi list,
> >         >
> >         > I had called my Mobile broadband provider Reliance to file a
> >         complaint
> >         > against the speed issues I am having with my internet
> >         connection. I am
> >         > having a 3.1 Mbps connection but end up getting about 0.1
> >         Mbps at
> >         > times.
> >         
> >         
> >         Could be the device, or it could be that a ton of people are
> >         in your
> >         sector/tower using data at the same time
> >         
> >         > The first question the customer care guys ask is that in
> >         what mode is
> >         > your device currently connected - High speed or CDMA 1X?
> >         > Apparently, Folks at Reliance give away their own dialer to
> >         connect to
> >         > Internet in Windows and that software shows the current mode
> >         of the
> >         > connection.
> >         >
> >         > So I tell the customer care guy that I am using Linux
> >         (Fedora 15,
> >         > Gnome 3) and I do not know what connection mode is being
> >         used. So they
> >         > tell me to please check in some other Windows based system.
> >         I know it
> >         > is insane but one can't argue with a non-tech customer care
> >         guy on
> >         > such issues. They talk to me as if the problem is in my
> >         Linux system -
> >         > It is selecting the low speed mode.
> >         >
> >         > Is there any way to find out which mode is getting selected
> >         - 1X or
> >         > High speed? The device in use in Huawei EC1260.
> >         
> >         
> >         It should be handled by ModemManager and NetworkManager in
> >         Fedora 15
> >         already; it appears that MM is not able to find a second port
> >         to query
> >         for the current access technology (ie EVDO vs. 1X).  Here are
> >         some steps
> >         you can do to help isolate the issue:
> >         
> >         in a root terminal:
> >         
> >         1) mv /usr/sbin/modem-manager /
> >         2) killall -TERM modem-manager
> >         3) /modem-manager --debug
> >         4) connect, wait 30 seconds or so, and copy the output from
> >         the terminal
> >         running modem-manager into a reply to this mail
> >         
> >         To get back:
> >         1) Ctrl+C to kill modem-manager
> >         2) mv /modem-manager /usr/sbin/modem-manager
> >         
> >         and you should be good.
> >         
> >         Dan
> >         
> >         > Can I send some AT commands to ttyUSB0 to check? Could you
> >         please help
> >         > me with this?
> >         >
> >         > Also I do not get a signal strength indication in the
> >         NetworkManager
> >         > icon. I get four bars but no color. Is this by design?
> >         >
> >         > Thanks,
> >         > Elison
> >         
> >         > _______________________________________________
> >         > networkmanager-list mailing list
> >         > networkmanager-list gnome org
> >         > http://mail.gnome.org/mailman/listinfo/networkmanager-list
> >         
> >         
> > Hi,
> > I work at a city 100 Km from my home and face the problem at home
> > only. I go home only on weekends so will send you the output this
> > weekend.
> > 
> > 
> > Can I just replace the binary modem-manager with a simple script and
> > rename it to modem-manager?
> > 
> > 
> > 0) cd /usr/sbin
> > 1) mv modem-manager orig.modem-manager
> > 2) Create a script /usr/sbin/modem-manager :
> > #!/bin/bash
> > ./orig.modem-manager --debug $* > /home/username/modem.log
> > 
> 
> Sure, that works too.

One more thing; 'lsusb -v' output for the device would also be useful.

Dan