How to Configure BSNL EVDO USB BroadBand in Linux

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Configuring the USB in linux is very much similar to configuring any in . 3 steps are involved.

  1. Detecting the device
  2. Configuring .conf
  3. Dialling

In most cases the hardware is auto detected and drivers are automatically loaded. You can check your /dev/ directory for any of these files.

ttyusb0, ttyusb1, ttyusb2 ……

After plugging in he modem, a new device should appear. In most cases it ttyusb0. If no file is appearing then you will have to manually load the drivers by issuing the following command.

modprobe usbserial vendor=0×05c6 product=0×6000

This will load the drivers and make your new device visible in /dev/

Now add the following lines to your .conf

[Dialer Defaults]

Modem=/dev/ttyUSB0
Baud=115200
Dial Command = ATDT
Baud=115200
Dial Command = ATDT
init1=ATZ
init2=AT+CRM=1
Flow Control= Hardware (CRTSCTS)
Username = <your username>
Password = <your password>
Phone = #777
Stupid Mode = 1

Now try the command wvdial in your terminal. It should work.

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3 comments ↓

#1 Vimal George on 06.07.08 at 3:44 pm

I find that adding usbserial vendor=0×05c6 product=0×6000 to your /etc/modules is better long-term solution. no need to issue it each time.

I’m a BSNL evdo fan. :) getting 60KB/sec in EKM. How much better is it in TVM?

#2 i00_000i on 06.27.08 at 12:48 pm

on wat flavour of linux did u ppl try installin evdo..

#3 Vimal George on 06.27.08 at 2:22 pm

@i00_000i
I’ve been using Ubuntu 7.10 Gutsy 24/7 for past 9 months.
Almost any distro with a standard kernel(must have usbserial generic driver compiled into it) will do.

You can try Ubuntu 8.04 or Opensuse. They are highly usable distros from the Debian and red hat packaging architectures respectively.

I have a bias towards .deb based distros because of debian’s excellent package management. Ubuntu is also easy to find help for. Lots of people can help you out.

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