http://www.redhat.com/mirrors/LDP/HOWTO/Modem-HOWTO-18.html
Look at the very bottom 18.29 Troubleshooting tools On Wed, Jan 23, 2013 at 4:21 PM, Howard White <hwh...@vcch.com> wrote: > On 01/23/2013 04:07 PM, Tilghman Lesher wrote: > >> >> ls -l /dev/tty* >> >> No, seriously, that's it. The problem is that a modem (and I'm >> assuing you're talking about an external modem, because internal >> modems will show up on the PCI bus) doesn't actually say "Here I am" >> in any qualitative way, at least not intrinsically. You essentially >> have to query it, yourself, using a program like minicom, to first >> connect to the port (assuming you know the connection parameters >> (speed, parity, stop bits), and then hitting the Enter key a couple >> times until the "OK" response comes back, or alternately, nothing at >> all. >> >> Yes, it's not the greatest interface, but unlike some of the later >> interfaces, a modem worked with positively every computer that had a >> serial port. >> >> -Tilghman >> > > But you see, that is my problem. When one lists out /dev/tty*, one gets all > the "pointers" defined in the operating system, regardless of what is > connected. And, yes, I understand your comments about the nature of the > devices on the other end of the serial port not telling the OS what they are > until there is some query. > > Oh, the case I'm chasing right now does involve PCI cards - fax modems - > that do appear on lspci but I don't know what ttyS?? it is configured for. > > Howard > > > -- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To post to this group, send email to nlug-talk@googlegroups.com > To unsubscribe from this group, send email to > nlug-talk+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/nlug-talk?hl=en -- You received this message because you are subscribed to the Google Groups "NLUG" group. To post to this group, send email to nlug-talk@googlegroups.com To unsubscribe from this group, send email to nlug-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/nlug-talk?hl=en