I still have the homemade cable I used to connect a HP7040 to my original
IBM PC in 1983. It is a DB-25S (PC end) to DB25P (plotter end).
Plotter PC
1 1
2 3
3 2
4 5
5 4
6 20
7 7
20 6
This would be a null modem cable.
I also found this HP link for a newer plotter
http://www.hp.com/cposupport/plotters/support_doc/bpp01379.html
Michael Holley
www.swtpc.com/mholley
> From: "RHahm" <rhahm_at_nycap.rr.com>
> To: <cctalk_at_classiccmp.org>
> Cc: "Vassilis Prevelakis" <vassilip_at_dsl.cis.upenn.edu>,
> "John Shadbolt"
> <john_shadbolt_at_talk21.com>
> Subject: trouble interfacing an HP86B to an HP7040 plotter with a serial
> interface
> Date: Tue, 9 Sep 2003 12:51:44 -0400
> Reply-To: cctalk_at_classiccmp.org
>
> Hi,
>
> I am having trouble interfacing an HP86B to an HP7040 plotter with a
serial
> interface.
>
> I have two HP serial interfaces: standard with male DB25 connector and
> 0pt.01 with female connector.
>
> The plotter has a male DB25 connector.
>
> I have connected the standard with with a gender changer and the opt. 01
> directly without success.
>
> I typed PLOTTER IS 10 and (the baud rate on the plotter is set at 9600)I
get
> an error message.
>
>
> This is the first time I have tried a serial connection and unfortunately
I
> don't have any
> documentation for the HP serial interface.
>
> Do I need a null modem for the opt. 01 serial interface?
>
> What am I doing wrong?
>
> Thanks,
>
> Bob
Received on Fri Sep 12 2003 - 11:04:25 BST