Date: Fri, 3 Jan 1997 17:30:46 -0800 (PST) From: Doug White <dwhite@resnet.uoregon.edu> To: Nick Liu <nickliu@uniqsite.com> Cc: questions@freebsd.org Subject: Re: DB9 to DB9 Null Modem Cable Message-ID: <Pine.BSI.3.95.970103172739.25343J-100000@resnet.uoregon.edu> In-Reply-To: <Pine.BSF.3.95.961224232448.209A-100000@uniqsite.com>
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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
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