Date: Fri, 30 Sep 2005 12:55:39 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: babkin@users.sourceforge.net, babkin@verizon.net Cc: freebsd-hackers@freebsd.org, jerry@evasefor.com Subject: Re: serial login to SBC Message-ID: <20050930.125539.116350804.imp@bsdimp.com> In-Reply-To: <16436490.1128102582153.JavaMail.root@vms071.mailsrvcs.net> References: <16436490.1128102582153.JavaMail.root@vms071.mailsrvcs.net>
next in thread | previous in thread | raw e-mail | index | archive | help
In message: <16436490.1128102582153.JavaMail.root@vms071.mailsrvcs.net> Sergey Babkin <babkin@verizon.net> writes: : >From: "M. Warner Losh" <imp@bsdimp.com> : : >In message: <20050930154306.GJ74605@numachi.com> : > Brian Reichert <reichert@numachi.com> writes: : >: On Fri, Sep 30, 2005 at 05:14:01PM +0200, jerry@evasefor.com wrote: : >: > : >: > Hello list, : >: > I am trying to use a FreeBSD box to log into a Single Board Computer. I : >: > have a null modem and it's plugged to both serial : >: > ports. The SBC runs openbsd ( /dev/cua00). : >: > When I run "cu -l /dev/cuaa0" from FreeBSD, I don't get any login : >: > prompt. : >: : >: Do you have getty running on that port on the SBC? : > : >Do you have all the modem pins connected for this cable? : : Also, is the cable pin-out correct even for the Rx : and Tx pins? There are weird recombinations of : male-female and DCE-DTE pin-out used by different : manufacturers. The easiest way to check is to get : a port tester (a pass-through BOX with LEDs) from : some place like Radioshack. : : The correct Unix cable connection is : : Tx - Rx : DTR - DSR, CD : CTS - RTS : : (and the other side symmetric). Many cable : manufacturers use different (wrong) connections. Closely related is the 1 3 5 7 9 2 4 6 8 10 vs 1 2 3 4 5 6 7 8 9 10 issue for headers. Warner
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050930.125539.116350804.imp>