ln -s /dev/sr0 /dev/modem

Modem=/dev/modem
Baud=115200
Dial Command = ATDT
Baud=115200
Dial Command = ATDT
init1=ATZ
init2=AT+CRM=1
Flow Control= Hardware (CRTSCTS)
Username = ppp
Password = ppp
Phone = *99#
Stupid Mode = 1

Modem=/dev/sr0
Baud=115200
Dial Command = ATDT
Baud=115200
Dial Command = ATDT
init1=ATZ
init2=AT+CRM=1
Flow Control= Hardware (CRTSCTS)
Username = ppp
Password = ppp
Phone = *99#
Stupid Mode = 1

A little HOWTO for the Huawei E169G USB Mobile Broadband Modem with linux

This refers to Kubuntu 8.04, but should also work for other modern distros.

This took me a while to get running properly as information was scattered
all over the net, and some Howto's just didn't work.

Samix ( http://samiux.wordpress.com/2008/04/23/huawei-e169g-on-ubuntu-804/ ) 
recommends salutis-connect to get this modem working. It (eventually) 
works very well for me.

Install it like this:


	
Code:
	
sudo echo deb http://repository.salutis.sk/production ./ >> /etc/apt/sources.list
sudo apt-get update
sudo apt-get install salutis-connect
salutis-connect requires the package zenity so you may have to install that too:

	
Code:
	
sudo apt-get install zenity

The program itself is a bash script, so you can open it with an editor 
from here /usr/bin/salutis-connect and see what it does.
I needed to run it as root:
kdesu salutis-connect (in KDE)
gtksu salutis-connect (in Gnome)

I plugged in my E169G, waited for the flashing blue light (Network 
detected), and started salutis-connect
It didn't work because it could not find /dev/ttyUSB0 which is where the
modem should be.

Dale Lane's blog ( http://dalelane.co.uk/blog/?p=254 ) 
explains that the E169G is a "Composite USB Device". It has a flash 
memory disk, and this starts up by behaving as a CD. It needs to be 
switched to "Modem Mode", and he worked out how to do this:


Get usb_modeswitch from here: http://www.draisberghof.de/usb_modeswitch/
Download it. Untar it, and you'll find the executable usb_modeswitch 
already compiled, although the source code is included as well. I 
couldn't compile from source until I had installed libusb-dev as well as
build-essential, but the executable worked on my system without 
recompiling. I put the executable in /sbin

[The pre-compiled executable did not work on my xandros eee701 - until I 
recompiled it from the sourcecode]

Some distros have trouble with the usbserial driver and this device so 
you may need to 


	
Code:
	
sudo rmmod usbserial && modprobe usbserial vendor=0x12d1 product=0x1001
before you plug in your E169G
(Kubuntu 8.04 does not need this, it is using the option module as well 
as usbserial which apparently fixes the problem).

The commands to switch the modem to modem mode need to be run as root:

	
Code:
	
sudo usb_modeswitch -v 0x12d1 -p 0x1001 -d 1
sudo usb_modeswitch -v 0x12d1 -p 0x1001 -H 1
The first command disables the CD rom, the second enables the modem.

The parameters 0x12d1 and 0x1001 refer to the product's vendor and product IDs, as seen by lsusb:

Bus 003 Device 012: ID 12d1:1001 Huawei Technologies Co., Ltd. E620 USB Modem

Plug the modem in. Wait for the blue flashing light (= "network detected,
but not connected yet")

Once the modem is in modem mode, and the blue light is flashing, 
salutis-connect just connected me to my network.
Note: No information at all about which network needed to be provided. I
suppose that is all handled by the modem's SIM card.

Thanks, Rudolf for an excellent piece of code.

============================ udev ==========================
Now I thought it would be better to get udev automatically make the modem get ready
to connect when it is plugged in.

Fortunately  Liam Green-Hughes has already done the work needed
 ( http://www.greenhughes.com/content/u...ee#comment-119 )


Create the file /usr/sbin/e169g-connect

	
Code:
	
#!/bin/bash
# Switch off the CD rom, start modem-mode
/sbin/usb_modeswitch -v 12d1 -p 1001 -d 1
/sbin/usb_modeswitch -v 12d1 -p 1001 -H 1
exit 0
and make it executable

	
Code:
	
sudo chmod 744 /usr/sbin/e169g-connect
We need to make this udev rule
/etc/udev/rules.d/99-sc-e169g.rules

	
Code:
	
SUBSYSTEM=="usb" SYSFS{idProduct}=="1001", SYSFS{idVendor}=="12d1", RUN+="/usr/sbin/e169g-connect"
Put that file in /etc/udev/rules.d/
I called it 99-sc-e169g.rules because there is already a 
99-sc-e220.rules which sorts out the problem with the usbserial 
module with some distros. Obviously that rule will only work for an E220,
 and I do not need it anyway, so I just ignored it.

restart udev:

	
Code:
	
sudo /etc/init.d/udev restart
Plug in the modem
Wait for the flashing blue light
Start salutis-connect as root.
It connects :)


On the eee:
I needed to recompile usb_modeswitch. Then it worked.
To be able to compile on the eee, you need to install build-essential
and libusb-dev

I needed to add the udev rules bit to put the modem into modem mode when 
it is plugged in.
salutis-connect did not work on xandros, but the eee network-connector did:
	Choose 3G mobile
	Choose the Huawei that is listed at /dev/ttyUSB0
	Follow the prompts
	Login & Password do not need specifying -"guest" is fine.
	It connects.
	Takes a moment for DNS to come up properly, then it works just fine.