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udev_rules

Collection of udev rules for usb 3G & 4G modem and setup script.

install

download from release

or

git clone https://github.com/UedaTakeyuki/gc_modem.git

setup

set.sh set a specified rule active and install dependencies.

pi@raspberrypi:~/gc_modem/udev_rules $ ./set.sh 99-ZTE_mf190.rules 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
eject is already the newest version (2.1.5+deb1+cvs20081104-13.2).
0 upgraded, 0 newly installed, 0 to remove and 51 not upgraded.

reset.sh set a specified rule iactive.

pi@raspberrypi:~/gc_modem/udev_rules $ ./reset.sh 99-ZTE_mf190.rules

/dev/gc_modem

Regarding the 3G modem, which is designed to provide network connection via serial, the name of the tty which is related to the modem depends not only on the model of the modem, but also on the situation. For example, ZTE-mf190 tend to create ttyUSB3, even Huawei-E3276 tends to create ttyUSB0. Also, in case ttyUSB3 is already busy of used by other device, ZTE-mf190 create other tty devices like ttyUSB4 or ttyUSB5 and so on.

To avoid this ambiguity of tty name, the udev_rules of the 3G modem in this project make a symbolic link gc_modem to the created tty by the modem. So all you have to do is only use the tty named gc_modem under /dev folder.

Note that the 4G modem which is designed to connect by NDIS, of cource these rules don't make gc_modem because they don't use tty, which gc_modem is related to.

modems which are prepared rule

Huawei E173

Inexpensive 3G modem.

Huawei E303C

No rules are necessary because this device supports Huawei HiLink that provides ether device. For setup of the HiLink, connect to 192.168.1.1 (or 192.168.8.1 for some devices) by web browser and set APN.

ZTE-mf190

Inexpensive 3G modem. This model has several model IDs

ZTE-MF821

Inexpensive 4G(LTE) modem, but gc_modem link available due to its serial connection support. This device also supports QMI, refer to the qmi of this device.

Qualcomm_Siemens-SG75

4G modem. The connection interface is NDIS.

Huawei w04

4G modem. The connection interface is NDIS.

NTT DoCoMo L02-a

Japanese inexpensive 3G modem. This device adapts the Japanese wireless regulation called 技適(giteki).

NTT DoCoMo L05-a

Japanese inexpensive 3G modem. This device adapts the Japanese wireless regulation called 技適(giteki).

Request to add rule file

Add rule file request is welcome, both pull requests and just issue with a sample 3G modem device.

QA

Any questions, suggestions, or reports are welcome! Please make issue without hesitation!