On Tue, 11 Sep 2012, Brett Lymn wrote: > On Mon, Sep 10, 2012 at 03:05:48PM +0100, Iain Hibbert wrote: > > > > > The first 4 interfaces present themselves as general communications > > > ports, > > > of which the first permits standard serial connections through which modem > > > Hayes style AT commands can be sent to control the modem's behavior. The > > > other 3 ports are available and, I believe, work, but I don't know how to > > > use them. > > > > one of them may be a GPS port.. the uhso devices seem to also have these > > (though mine does not) > > One is probably a status monitor port for the HSDPA modem, this can be > used to monitor signal strength and so forth (don't ask me how > though...)
through an extended Hayes command set ( ETSI GSM 07.07/3GPP TS 27.007 ) , specificially aimed at controlling GSM phones or modems.. % cu -l /dev/ttyHS0.00 Connected at+csq +CSQ: 9,99 OK regards, iain