[ubuntu-in] USB Mobile Broadband Service

Tue Mar 1 17:18:34 UTC 2011

On Tue, Mar 1, 2011 at 10:38 PM, Nitesh Mistry <mailbox at mistrynitesh.net> wrote:
> Simply awesome. Think of wikifying it?

thank you

unfortunately my moments of helpful endeavor end at writing the email
and in spite of encouragement i usually find something else to do and
never get around to documenting it properly.

However apologies for some horrible grammar and spelling.
 and i will try and wikify it or something :-)

ram

>
> On Tue, Mar 01, 2011 at 08:23:47PM +0530, Ramnarayan.K wrote:
>> On Tue, Mar 1, 2011 at 7:21 PM, Kaushal Shriyan
>> <kaushalshriyan at gmail.com> wrote:
>> >
>> > Hi
>> >
>> > How do we address the issues of making it work the latest chipset provided by the Service Provider to make it work on Ubuntu Desktops. I mean whenever there is a new USB Mobile Broadband Service chipset available in Market how do we make them work in Ubuntu. Do i need to update my Desktop to the latest release every time ?
>> >
>> > For example : I use Tata Photon + with EC1260 chipset which works in Ubuntu 10.10 but when i try to use the latest Tata Photon + with EC152 chipset it does not work out of the box.
>> >
>> > Please suggest/guide further.
>>
>> usually the problem with USB devices is that they don't get recognized
>> by Ubuntu (linux) and one needs to tll Ubuntu to recognize the device
>> and correlate it to a particular port and once that happens the next
>> step is for Ubuntu to load the driver (the drivers are usually built
>> onto the device) and then it gets to work.
>>
>> The process i normally follow for a new device is
>> 1. plug in the device and in a command line run dmesg
>> -$ dmesg  - c
>>
>> if the device is recognized it will usually have an output (last few
>> lines) some like gsm device recognised and attached to ttyusb0 or
>> ttyusb1 etc
>>
>> if this happens your device should work
>>
>> if it does not then one has to find out the device product  id and vendor id
>>
>>
>> for this
>> run (in a terminal)
>> lsusb
>>
>> see if you can identify the device -
>> some like
>> Bus 004 Device 004: ID 19d2:fffe ONDA Communication S.p.A.
>>
>> **
>> if you can identify the device then just get that data but running
>> lsusb -v - s "bus number"
>>
>> leave out the " " when typing the bus number (some thing like 001 or 004 etc)
>>
>> **
>> if not then run lsusb -v  which will give the details of all usb devices
>>
>> then browse through the entire list and find what is relevant to your data card.
>>
>> mine looks something like this
>> Bus 004 Device 004: ID 19d2:fffe ONDA Communication S.p.A.
>> Device Descriptor:
>> > snipped
>>   idVendor           0x19d2 ONDA Communication S.p.A.
>>   idProduct          0xfffe
>>   bcdDevice            0.00
>>   iManufacturer           1 ZTE, Incorporated
>>   iProduct                2 ZTE CDMA Tech
>>   iSerial                 0
>>
>> here the vendor and product id is given note this detail down
>>
>> **
>> If the device is not recognized at all then some of the technical
>> heavies will need to weigh in.
>>
>> **
>> However if you can get the vendor and product id the next stage is to
>> install wvdial
>>
>> sudo apt-get install wvdial
>>
>> If no internet works on your machine - then you can ask some one to
>> download then and provide you the necessary file (like via apton or
>> something)
>>
>> **
>> The next few steps are to try and load the driver (make sure the
>> device is plugged in)
>>
>> run
>> $ sudo modprobe usbserial vendor=0x19d2 product=0xfffd
>>
>> replace the vendor and product id with your specific ones
>>
>> you could also  mknod's (it might already be there but making it again
>> won't do anything atleast the first time)
>>
>> -$ mknod /dev/ttyUSB0 c 188 0
>> -$ mknod /dev/ttyUSB1 c 188 1
>>
>> **
>> after all this run dmesg -c and see if your device is attached (as in
>> the attached to ttysub0 etc)
>>
>> if this is the case all you need now to make it connect to the internet
>>
>> for this we will use wvdial (you can later on figure out gnome-ppp
>> etc) but wvdial is simple and effective and a sureshot way to know
>> your device works (till and Ubuntu (linux) version gets it to work
>> directly
>>
>> run sudo gedit /etc/wvdial.conf
>>
>> this will open a file called wvdial.conf for editing. It may already
>> have some contents - copy that over with the following lines
>>
>> **
>> [Modem0]
>> Modem = /dev/ttyUSB0
>> Baud = 230400
>> SetVolume = 0
>> Dial Command = ATDT
>> Init1 = ATZ
>> FlowControl = Hardware (CRTSCTS)
>> Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
>> Modem Type = Analog Modem
>> New PPPD = yes
>> Idle Seconds = 90
>> Auto Reconnect = off
>>
>> [Dialer "any name"]
>> Modem = /dev/ttyUSB0
>> Phone = #777
>> Stupid Mode = 1
>> Username = "username"
>> Password = "password"
>>
>> **
>> replace the words / numbers in " " with your specific details
>>
>> **
>> once this is done
>>
>> open a terminal and type
>>
>> sudo wvdial "any name"
>>
>> this should show up some details about connecting and the an ip
>> address and some dns address will show up which means the internet is
>> connected
>>
>> to disconnect press control c in the terminal.
>>
>> If this works - then next time all you need to do is make a launcher
>> and that should be a one click button to start your internet
>>
>> however - if there is a problem of your Ubuntu not recognizing the
>> device every time then the only step you need to repeat - (only once
>> everytime you start up)
>>
>> is the modprobe line
>>
>> **
>> I know this looks like a lot of work and a lot of command line,
>> however this is a pretty much sure shot way and once it works it quite
>> nice.
>>
>> happy browsing
>> ram
>>
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>
> --
> Regards,
> Nitesh Mistry | www.mistrynitesh.com
> PGP key id: A6FEF696 | 'geekosopher' on freenode irc
>
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