Hi, I am just being inquisitive, is it possible to build a GPRS modem (2G/3G) out of Sorkris?
Regards On Tue, Apr 15, 2008 at 1:31 PM, Brian Candler <[EMAIL PROTECTED]> wrote: > On Mon, Apr 14, 2008 at 09:59:20AM -0400, Randall Nortman wrote: > > Can anybody recommend a GPRS modem that will work with the net4801 > > under Linux? This is for US frequencies -- the only GSM carrier in > > the area at the moment is AT&T/Cingular. I have all options open on > > the board right now -- CF, Mini-PCI, 3.3v PCI, RS-232, and USB. > > I have used Siemens MC35iT which is a basic RS232-attached GPRS modem. It > works fine with Linux pppd. Config is attached below. > > That particular unit is GSM900/1800 only, but they have other modules which > do 850 and 1900MHz: > http://www.tdc.co.uk/index.php?key=gprs&nav=gsm > TC65T looks like it would do the trick. > > Of course for unattended operation it's up to you to ensure your pppd config > will redial automatically if the line drops, and that you have scripts to > bring up a tunnel automatically if you need one, etc. > > However it won't be as neat as a USB or Mini-PCI solution as it's a separate > small box and needs a power supply. > > HTH, > > Brian. > > --------- 8< ----------------------------------------------------- > Dial using: pppd call gprs > > [/etc/ppp/peers/gprs] > debug > /dev/cuad0 115200 modem crtscts lock > connect "/usr/bin/chat -v -f /etc/ppp/gprs.chat" > defaultroute > name web > : > novj > noipdefault > persist > > [/etc/ppp/gprs.chat] > ABORT BUSY > ABORT ERROR > ABORT "NO ANSWER" > ABORT "NO CARRIER" > ABORT "NO DIAL TONE" > ABORT "NO DIALTONE" > ABORT VOICE > TIMEOUT 5 > '' at OK > at&f OK > # replace "internet" with APN name > at+cgdcont=1,"ip","internet" OK > atd*99***1# > TIMEOUT 30 > CONNECT > > [/etc/ppp/chap-secrets] > web * web > > > _______________________________________________ > Soekris-tech mailing list > [email protected] > http://lists.soekris.com/mailman/listinfo/soekris-tech > _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
