Digicom HSUPA Benutzerhandbuch - Seite 16

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3G Modem USB Internal

• After modifying the two scripts it is necessary to copy the "/ppp" folder in "/etc" :

• cp -r ./ppp /etc

• cd /etc/ppp

• chmod a+x ip-up.local ip-down.local

Note: You must be administrator or Super User (# su) to execute these commands.

The command to enable the call is: pppd call gsm

NOTE: with some versions of pppd a few problems may occur with DNS dynamic configuration. In order to

solve it, copy "/etc/ppp/resolv.conf" in "/etc/resolv.conf".

AT Commands

The port for AT commands is /dev/ttyUSB3.

With some commands it is possible to verify the status of registration to operator:

• "at+csq" gives information on the signal (good connection with values higher than 10)

• "at+creg?" to verify the used operator

• "at*cnti=0" to verify the type of technology used for connection (HSDPA, UMTS, GPRS...)

2.6

Installation