From owner-freebsd-questions Fri Jan 3 22:11:09 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id WAA02767 for questions-outgoing; Fri, 3 Jan 1997 22:03:40 -0800 (PST) Received: from who.cdrom.com (who.cdrom.com [204.216.27.3]) by freefall.freebsd.org (8.8.4/8.8.4) with ESMTP id WAA02712 for ; Fri, 3 Jan 1997 22:03:28 -0800 (PST) Received: from resnet.uoregon.edu (resnet.uoregon.edu [128.223.170.28]) by who.cdrom.com (8.7.5/8.6.11) with ESMTP id RAA03399 for ; Fri, 3 Jan 1997 17:32:10 -0800 (PST) Received: from localhost (dwhite@localhost) by resnet.uoregon.edu (8.8.3/8.6.12) with SMTP id RAA10195; Fri, 3 Jan 1997 17:30:47 -0800 (PST) Date: Fri, 3 Jan 1997 17:30:46 -0800 (PST) From: Doug White To: Nick Liu cc: questions@freebsd.org Subject: Re: DB9 to DB9 Null Modem Cable In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Tue, 24 Dec 1996, Nick Liu wrote: > I've been trying to find info for wiring a db9 to db9 null modem > cable without success, if anyone knows the pinout map, please tell me. Sorry for missing this for so long, I just remembered there is a diagram in my old PCTools manuals. This is in no particular order... 5 2 3 7 8 6 1 4 | X X +--+ / +--+ \ 5 2 3 7 8 6 1 4 The last bit is that pins 1 and 6 and 4 on the other end are wired together. Definitions: 5 Ground 2 Receive Data 3 Send Data 7 RTS 8 CTS 6 DSR 1 DCD / Carrier 4 DTR Hope this helps. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major