by Michael Soibelma » Sat, 20 Sep 2003 02:03:07
by Joe Beanfis » Sat, 20 Sep 2003 02:32:10
> I have an old pen plotter (Houston Instrument DMP-50) which has a 25 pin
> serial port. Can I hook this up to a 'modern' 9 pin serial connector? Is
> there a connector/adaptor I can use?
by John-Paul Stewar » Sat, 20 Sep 2003 02:40:02
> I have an old pen plotter (Houston Instrument DMP-50) which has a 25 pin
> serial port. Can I hook this up to a 'modern' 9 pin serial connector? Is
> there a connector/adaptor I can use? Or is there some other way to hook
> up to the port?
by Michael Soibelma » Sat, 20 Sep 2003 05:25:30
>> I have an old pen plotter (Houston Instrument DMP-50) which has a 25 pin
>> serial port. Can I hook this up to a 'modern' 9 pin serial connector? Is
>> there a connector/adaptor I can use?
> Yes and yes. Check any cable supplier. They should have 9-25 adapters.
by Leon The Peo » Sun, 21 Sep 2003 19:43:47
yes., becareful , some of these are only just enough pins for a mouse ( 4orQuote:> I have an old pen plotter (Houston Instrument DMP-50) which has a 25 pin
> serial port. Can I hook this up to a 'modern' 9 pin serial connector? Is
> there a connector/adaptor I can use?
You can make a 3 wire cable for yourself - probably the thing only supportsQuote:> Or is there some other way to hook
> up to the port?
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Howdy,
I am trying to write a program (in C) that comunicates with a device
that would normally be connected to a 9-pin serial port but I need to
know how I can program it to run through a 25-pin serial port. I have
successfuly gotten the thing to work through the 9-pin port, I tried
to use that code, which opened /dev/ttyS0 for the device, and just
change it to /dev/lp0 but I couldn't get that to work, so I'm guessing
that it is more complicated than that.
It is currently pluged in via a 9 to 25-pin adaptor, so I have
managed to actually plug the thing in.
If it matters: I am running Redhat-7.2 on linux kernal 2.4.7-10
If anyone know how this can be done, I would be much abliged.
Thank you,
Leo Bayer
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