Pinout diagram for SR box

[ndt]

Hi David,

Thanks for all that advice - especially point 3. I will speak to the
electronics technician and see what they can do.

Profuse thanks.

Joel



On Apr 27, 12:18 pm, David McFarlane <mcfar... at msu.edu> wrote:
> Joel,
>
> 1) Because of your custom hardware, PST Web Support will almost
> certainly do you no good in this case (see #3 below).
>
> 2) The pin numbers that you refer to (from my earlier post)
> themselves refer to pins on a 40-pin header inside the SRBox, not
> pins on the computer.  So of course those pin numbers are irrelevant
> to you.  They apply only when you connect external switches to the
> SRBox, then connect the SRBox to the computer, i.e., using the SRBox
> as an interface to translate simple digital on-off signals into serial data.
>
> 3) If your custom device does indeed "function like an SR box", then
> you would need nothing more than a serial cable and treating it like
> a regular SRBox in E-Prime.  But I highly doubt that you
> meant  "function like an SR box", your department's electronic
> workshop almost certainly instead made a voice key device that
> provides a simple digital on-off signal.  In that case, you may
> either (a) patch it through an SRBox as described earlier, or (b)
> connect it directly to an available digital I/O port (e.g., an
> old-fashioned parallel printer port); in this case you would then
> treat it as a Port device in E-Prime, and for that you could look up
> the appropriate topics in the Guides, the online E-Basic Help, and
> the PST Knowledge Base, or in this case contact PST Web Support.
>
> Hope that clarifies matters a bit,
> -- David McFarlane, Professional Faultfinder
>
>
>
> >I am a grad student and new E-Prime user. I am using E-prime to
> >present auditory stimuli, to which participants need to provide a
> >verbal response. I want to record their responses, and also get a
> >voice RT.
>
> >I have constructed the experiment in E-prime, and just worked out that
> >to get a voice RT, I need to have an SR box, or something like it.
>
> >My department's electronic workshop already has a device (that they
> >made for a previous experiment) that will function like an SR box to
> >get the voice RTs. They just need to know which pins to wire it for so
> >that E-Prime will recognize it. My electronics knowledge is very
> >limited.
>
> >I have tried to find a pinout diagram on line, without any success. I
> >have trawled through this group, and have found posts like:
> >http://groups.google.com/group/e-prime/browse_thread/thread/d42447cfc...
> >by David McFarlane, but the pin information contained therein didn't
> >seem (to my naive electronics mind) to be what I need. Why do I say
> >that? Because in that post it referred to pins with numbers greater
> >than 25, and from what I understand, the SR box uses a RS232 DB25
> >pinout.
>
> >I have emailed PST asking for a copy of the SR Box manual, but they
> >seem to have delays because they are experiencing a large volume of
> >requests.
>
> >Any assistance/advice/pointers would be appreciated.
>
> >Regards
>
> >Joel
>
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