Date: Tue, 23 Mar 1999 09:07:54 +0000 From: Brian Somers <brian@Awfulhak.org> To: "Dan Mahoney Jr." <danm@DanMahoney.com> Cc: questions@FreeBSD.ORG Subject: Re: serial cables Message-ID: <199903230907.JAA02178@keep.lan.Awfulhak.org> In-Reply-To: Your message of "Tue, 23 Mar 1999 00:43:47 EST." <Pine.BSF.4.05.9903230039580.29662-100000@acetylene.vapornet.net>
next in thread | previous in thread | raw e-mail | index | archive | help
AFAIK, most ``laplink'' cables don't come with pins 6 & 8 connected to pin 20 on the other side. The idea behind this cross-over is to wire DTR on one side to carrier on the other. Without carrier, the ttyd devices will block. > Okay, I've got a question that doesn't directly relate to freebsd, but > more to hardware... > > For some reason, when I use serial cables, some pin is not being asserted > and therefore causing serial communications to fail when I try to connect > my serial terminals... > > I don't know WHICH pin it is, but for some reason the terminals work okay > when I change the line in /etc/ttys from ttydX to cuaaX where X is the > port ID. > > I note that this only happens on my 25 pin ports, not on my 9 pin ones, > which is really just weird. (And on two separate cards, one generic and > one from Byte Runner) > > Any help appreciated.... > > -Dan Mahoney > > -- > > "Let me tell you something about regrowing your dead wife Lucy, Harry. > It's probably illegal, potentially dangerous, and definitely crazy." > > -Harry nods- > > Vincent Spano, as Boris in "Creator". > > > Dan Mahoney > Gushi on efnet IRC > ICQ:13735144 > (webpages TBA) -- Brian <brian@Awfulhak.org> <brian@FreeBSD.org> <brian@OpenBSD.org> <http://www.Awfulhak.org> Don't _EVER_ lose your sense of humour ! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199903230907.JAA02178>