Subject:
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Re: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 22 Nov 1999 23:09:56 GMT
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Original-From:
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John Eaton <jeaton@gold.*NoMoreSpam*tc.umn.edu>
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Reply-To:
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John O Eaton <jeaton@gold.tc.umn.edu[IHateSpam]>
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Viewed:
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562 times
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"Paul E. Rybski" wrote:
Every time I try to run Robolab anddownload firmware or even just test the
communication between the
> transmitter and the brick, I get an error saying that the macintosh could
> not communicate to the RCX and the graphical error display shows a red X
> over the transmitter, the cable and the RCX. However, I do see the little
> green LED inside of the transmitter turning on. I have tried both the
> modem and the printer port but have had no success.
> The other possible cause
> of the problem may be that the serial ports on these macintoshes are not
> functioning properly. Does anyone have any experience with these
> particular macintosh models and the availablility (or lack thereof) of
> signals on the DTR and CTS lines?
>
> I'm using the black macintosh serial cable that came
> with the RCX. I've also tried using a three-piece cable consisting of a
> macintosh serial cable (hardware handshaking--what I use on my modem), a
> DB9-DB25 adaptor and the RCX PC cable. This hybrid cable has been
> successfully tested on my G3 at least.
I had exactly the same problem with my 5400/180 (another all in one
machine).
I finally ran across a resource somewhere saying there was some difference in
the serial port of my machine, some of the clones (a Motorola spec board ??)
and
and some other Macs. I was able to run Robolab after I put together the same
cable
you described. Try that cable with the Macs at school.
I reported this problem and my solution to Pitsco/Dacta last spring. If you
continue to have problems contact the techs at Pitsco/Dacta or send me an
e-mail.
Good Luck,
John
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Message is in Reply To:
11 Messages in This Thread: ![Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Paul E. Rybski (20-Nov-99 to lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.robotics.rcx)](/news/x.gif) ![](/news/246.gif) ![Re: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Suzanne D. Rich (20-Nov-99 to lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Dave Baum (20-Nov-99 to lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.robotics.rcx)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![RE: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Ralph Hempel (21-Nov-99 to lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.robotics.rcx)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![You are here](/news/here.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Bob Ritter (3-Jan-00 to lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.robotics.rcx)](/news/x.gif) ![](/news/246.gif) ![Re: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Dave Baum (3-Jan-00 to lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.robotics.rcx)](/news/x.gif) ![](/news/46.gif) ![Re: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Bob Ritter (6-Jan-00 to lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.robotics.rcx)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Dirk-Willem van Gulik (3-Jan-00 to lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.robotics.rcx)](/news/x.gif) ![](/news/46.gif) ![Re: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Terry King (6-Jan-00 to lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.robotics.rcx)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: Problems with RCX Robolab and PowerMacs 6400/200 and 5500/225 -Paul E. Rybski (3-Jan-00 to lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.robotics.rcx)](/news/x.gif)
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