Date: Tue, 15 Oct 2002 00:20:29 +0400 From: Kirill Bezzubets <kirill@solaris.ru> To: Julian Chesterfield <Julian.Chesterfield@cl.cam.ac.uk> Cc: freebsd-mobile@FreeBSD.ORG Subject: Re: Sierra Wireless Aircard 750 GSM/GPRS Message-ID: <20021014202029.GA77467@solaris.ru> In-Reply-To: <E1817TR-0003SJ-00@wisbech.cl.cam.ac.uk> References: <E1817TR-0003SJ-00@wisbech.cl.cam.ac.uk>
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On Mon, Oct 14, 2002 at 04:49:41PM +0100, Julian Chesterfield wrote: > > sio4 at port 0x240-0x27f irq 9 flags 0x40000 slot 0 on pccard0 > sio4: type 8250 8250?.. Hmm.. Even my old USR Megahertz shows up as 16550A sio.. > sio4: unable to activate interrupt in fast mode - using normal mode > That's ok - it's common message. > which seems to indicate that the hardware is working. The specs from Sierra > tell me that the communication settings for the host machine should be > 115kbps, 8-bit, no parity and one stop bit. This is where I have trouble > understanding what happens. At this stage, I just want to be able to > communicate with the modem and issue AT commands to check whether it's working > etc.. but I can't get any feedback at all. I've read through the handbook on > setting up serial lines/modems but don't fully understand what applies to my > situation. My understanding is that the ttyd* device must be enabled to point > to the sio interface in order for the system to communicate with the wireless > interface. Wrong. Read handbook carefully - ttyd* are for _incoming_ connections. For outgoing there are cuaa*. > How should I setup the tty interface? I've tried modifying the /etc/ttys line > as indicated in the handbook as: > > ttyd0 "/usr/libexec/getty std.115200" dialup on secure sio4=ttyd4, but it doesn't matter for your situation. Just remove that line. > > this starts a getty process but doesn't seem to help when I run cu or tip, I > get a "Line in use" error command. > > When I run cu or tip without the getty process active, the application runs > but I get no response to my typing. Use /dev/cuaa4 as device to connect to. > > Can someone point me in the right direction on what is supposed to happen, and > how the configuration should be done? Any help much appreciated, > And, again, if your card is looking as 8250 to system, there might be troubles using port speed greater than 9600. -- BR, Kirill Bezzubets CASE-RIPE CASE-RIPN Senior Administrator, Technical Department mailto:kirill@solaris.ru Solaris ISP & Telecommunications Co. Ltd http://www.solaris.ru To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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