On Thursday 26 February 2009 20:29:01 Robert wrote: > Anne Wilson wrote: > > I'm not often beaten by things, but sometimes I have to fight them on and > > off for quite a while before they are resolved. I'm grateful for all the > > help I'm getting here. I shan't be giving up for a good while yet :-) if > > at all. > > > > Anne > > RS232C is enough to kick anyone's butt. For openers, the RS232C > "standard" has been bent more ways than any other so-called standard > I've ever worked with. I would never attack a situation such as you > have (nothing given, find everything and prove 3 ways) without a > breakout box. Lacking one of those, you might find the statserial > program to be of some use in figuring out what the control lines are doing. > # yum --enablerepo=dag install statserial > will install it. It has a short man page. Run with no options except > device ( # statserial /dev/ttyS0 ) will cause it to loop, indicating > status of all control signals. You can manually tweak any of the pins > with direction of "in" with a 9-volt battery or by using a paper-clip > jumper from one of the "out" lines. It won't be long before you can > identify the port, moving an "unknown" to "found". > I never bargained for getting in this deep :-) Anne -- New to KDE4? - get help from http://userbase.kde.org Just found a cool new feature? Add it to UserBase -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 197 bytes Desc: This is a digitally signed message part. URL: <http://lists.centos.org/pipermail/centos/attachments/20090226/0479e296/attachment-0005.sig>