Huawei E630

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This guide is written for people who want to use their UMTS/HSDPA Card with Gentoo Linux. The first part of this guide will tell you what kernel options you will need to get the hardware working. The next part will be the configuration for the datacard to establish a ppp connection to your provider. In the explained case it's T-Mobile Austria.

Contents

[edit] Prologue

There are several tutorials about that card in the net. The card uses its own USB Controller, where the UMTS/HSDPA modem is connected to. The commands for this modem don't differ from other common modems with AT command set. That is the reason, why we can use common ppp connection tools (kppp).

[edit] Kernel configuration

To use this PC Card, see this guide. Because of the USB Controller OHCI is required. Furthermore USB to Serial converter for the Modem is necessary. To establish the PPP connection to the provider, ppp support also has to be enabled in the kernel,

Linux Kernel Configuration: Linux Kernel Configuration: USB Support
Device Drivers ->
    USB support  --->
        <M> OHCI HCD support
        <M> USB Serial Converter support  --->
            [*] USB Generic Serial Driver
            <M> USB driver for GSM and CDMA modems
    Network device support  --->
        <M> PPP (point-to-point protocol) support
        <M> PPP support for async serial ports

[edit] Hardware detection

lspci should show the USB Contoller.

lspci -v
04:00.0 USB Controller: NEC Corporation USB (rev 43) (prog-if 10 [OHCI])
04:00.1 USB Controller: NEC Corporation USB (rev 43) (prog-if 10 [OHCI])

In this case the controller uses OHCI for communication, other USB Controllers may work with the UHCI Protocol. The USB Device should show up as well,

lsusb
Bus 006 Device 002: ID 12d1:1001
lsusb -v -s 006:002

Bus 006 Device 002: ID 12d1:1001 Device Descriptor:

bLength                18
bDescriptorType         1
bcdUSB               1.10
bDeviceClass            0 (Defined at Interface level)
bDeviceSubClass         0
bDeviceProtocol         0
bMaxPacketSize0        64
idVendor           0x12d1
idProduct          0x1001
bcdDevice            0.00
iManufacturer           1 HUAWEI Technologies
iProduct                2 HUAWEI Mobile
iSerial                 0
bNumConfigurations      1

If the card is correctly recognized there the usbserial module should create new tty devices:

find /dev/ | grep ttyU
  /dev/ttyUSB2
  /dev/ttyUSB1
  /dev/ttyUSB0

This is your HSDPA Card. If this links aren't created you should try to load usbserial with this command:

modprobe usbserial vendor=0x12d1 product=0x1001

Vendor and Product ID can be found by typing lsusb command After this operation links to usb should appear ind /dev/tts directory

[edit] Software

To initialize the card, enter the PIN code and login into the network, there is a small program on sourceforge which does that: Linux UMTS/GPRS command-line tool

Download that tool and install it by typing make and make install in the source directory.

To Log into the Network, show Homenetwork and Signal strength:

comgt
 Trying list of devices
 SIM ready
 Waiting for Registration..(120 sec max)
 Registered on Home network: "23203",2
 Signal Quality: 17,99

Ok, your card is ready, now you need to establish a PPP connection to your provider. This tutorial uses kppp, but you can use any pppd frontend you want. This is the tested configfile for kppp:

File: ~/.kde/share/config/kppprc
[Account0]
AccountingEnabled=0
AccountingFile=
Authentication=3
AutoDNS=1
AutoName=0
BeforeConnect=xterm -e /usr/local/bin/comgt -x -d /dev/ttyUSB2
BeforeDisconnect=
CallbackPhone=
CallbackType=0
Command=
DNS=
DefaultRoute=1
DisconnectCommand=
Domain=
ExDNSDisabled=0
Gateway=0.0.0.0
IPAddr=0.0.0.0
Name=web'n'walk
Password=1234
Phonenumber=*99***1#
ScriptArguments=
ScriptCommands=
StorePassword=1
SubnetMask=0.0.0.0
Username=user
VolumeAccountingEnabled=0
pppdArguments=defaultroute,crtscts,modem,noipdefault,usepeerdns,novj,debug

[General]
AutomaticRedial=0
DefaultAccount=web'n'walk
DefaultModem=HUAWAI
DisconnectOnXServerExit=1
DockIntoPanel=1
NumberOfAccounts=2
NumberOfModems=3
PPPDebug=0
QuitOnDisconnect=0
RedialOnNoCarrier=0
ShowLogWindow=1

[Graph]
Background=255,255,255
Enabled=true
InBytes=0,0,255
OutBytes=255,0,0
Text=0,0,0

[Modem0]
AnswerResponse=CONNECT
AnswerString=ATA
BusyResponse=BUSY
BusyWait=0
ConnectResponse=CONNECT
DLPResponse=DIGITAL LINE DETECTED
Device=/dev/ttyUSB0
DialString=ATD
Enter=CR
EscapeGuardTime=50
EscapeResponse=OK
EscapeString=+++
FlowControl=Hardware [CRTSCTS]
HangUpResponse=OK
HangupString=+++ATH
InitDelay=50
InitResponse=OK
InitString=AT+CFUN=1
InitString1=AT+CGDCONT=1,"IP","gprsinternet","",0,0
Name=HUAWAI
NoCarrierResponse=NO CARRIER
NoDialToneDetection=ATX3
NoDialToneResp=NO DIALTONE
PreInitDelay=50
RingResponse=RING
Speed=460800
Timeout=82
ToneDuration=70
UseLockFile=1
Volume=0
VolumeHigh=M1L3
VolumeMedium=M1L1
VolumeOff=M0L0
WaitForDialTone=1

[WindowPosition]
WindowPositionConWinX=487
WindowPositionConWinY=498
WindowPositionStatWinX=815
WindowPositionStatWinY=485

Don't forget to change the Access Point Name (APN) value on the InitString1=AT+CGDCONT=1,"IP","gprsinternet","",0,0 line from "gprsinternet" to the actual Internet APN. If you don't know the Internet APN, ask your service provider.

Now you have to start Kppp and simply push on connect. If you haven't entered the PIN yet, a window pops up where you have to enter it. After that, the card gets initialized and the PPP connection gets established. In your panel you can see a little icon (world) which shows you the activity. By right clicking on it you can get the actual status of your connection and disconnect from the network.

This HOWTO should also work for Huawei E620 and E618 data cards, however with that card you may experience lock-ups after you insert and reboots after you remove the card. In that case, you have to get a newer hardware revision of the card.

You may need remove the wait for dial tone option which was causing pppd to die unexpectedly with exit status 1 KPPP > Configure > Modems > Huawei > Modem > Uncheck wait for dialtone before dialing

[edit] See also

[edit] External links

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