[ubuntu-in] unable to connect with BSNL EVDO in Karmic

[BR!j!TH]

Following things are description for *usb-modeswitch *got from synaptic

*Several new USB devices have their proprietary Windows drivers onboard,*
*especially WAN dongles. When plugged in for the first time, they act*
*like a flash storage and start installing the driver from there. If*
*the driver is already installed, the storage device vanishes and*
*a new device, such as an USB modem, shows up. This is called the*
*"ZeroCD" feature.*
*
*
*On Debian, this is not needed, since the driver is included as a*
*Linux kernel module, such as "usbserial". However, the device still*
*shows up as "usb-storage" by default. usb-modeswitch solves that*
*issue by sending the command which actually performs the switching*
*of the device from "usb-storage" to "usbserial".*

In the above paragraph they says if the device is not detected as a model
then we can use this tool. But in my case the device is getting detected as
modem device (The network manager window is popping up when I pug in the
device..)




On 22 February 2010 13:23, BR!j!TH <brijithp at gmail.com> wrote:

> hm it seems a good work around. any way let me check
>
> Thanks :)
>
>
> On 22 February 2010 12:59, VK <technife at gmail.com> wrote:
>
>> BACKGROUND :
>>
>> Most of these data-card devices now
>> have two logical devices inside
>> one physical device.
>>
>> (a) usb-storage-device
>>
>> This contains/serves the driver software
>> that poor windoze users must install
>> (but not required for Ubuntu/Linux).
>>
>> (b) usb-modem-device.
>>
>> This is invariably the "ttyUSB0" communciation
>> device required by Ubuntu/Linux.
>>
>> SUSPECTED PROBLEM :
>>
>> The problem (often) is that the "storage-device"
>> of these data-cards seems to interfere with
>> Ubuntu/Linux ability to automagically
>> detect, configure or utilise the "usb-modem-device"
>> on the data-card.
>>
>> SOLUTION :
>>
>> Assuming that the storage device is the issue,
>> then it can be resolved by installing
>> and activating usb-modeswitch.
>> Please google for instructions to install
>> and use usb-modeswitch on Ubuntu.
>> It is fairly simple and often a one-time process.
>> Package is installed via synaptic-package-manager.
>>
>> I have had successes on two Ubuntu support calls
>> with this approach, and thereafter do this
>> as default for all data-cards where I know
>> it has some storage. (most of the current
>> EVDO and 3G usb devices have the driver
>> software on that storage).
>>
>> Good luck.
>> VK/TechNife
>>
>>
>> --
>> ubuntu-in mailing list
>> ubuntu-in at lists.ubuntu.com
>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-in
>>
>
>
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