Subject:
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Re: IR tower problems
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 15 Feb 2001 23:01:06 GMT
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Original-From:
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Steve Baker <sjbaker1@airmail.&StopSpam&net>
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Reply-To:
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sjbaker1@airmail%AntiSpam%.net
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Viewed:
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735 times
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Miles Gentry wrote:
>
> In lugnet.robotics, Ralph Hempel writes:
> > If you just buy a serial extension cable and plug it into your PC, you can
> > then plug anything you like in the other end of the cable. Plus you don't
> > have to crouch around behind the PC.
> [snip]
> My attempt failed when adding an extension cable 2 meters in length. The
> computer reported a failure to communicate with the IR tower. The total
> length of the two joined cables apparently exceeds the maximum length for IR
> Tower communication. What maximum length of extension cable would you
> recommend?
There must be something terribly wrong if you couldn't get it to go
over a couple of meters.
RS-232's maximum cable length depends on the baud rate - at 9600, it's
good for about 500 meters IIRC. The tower comms is about 1200? 2400?
You *should* be able to use a cable up to a kilometer in length...something
like that.
--
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Message has 1 Reply:
 | | Re: IR tower problems
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| In lugnet.robotics, sjbaker1@airmail.net writes: [snip] (...) [snip] Strange. My attempts still fail with extension cables, but still work with 2.2 meter Lego cable only. Failed twice at total 4.2m when trying to add 2m extension cables. Test #1 (...) (24 years ago, 17-Feb-01, to lugnet.robotics)
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Message is in Reply To:
| | Re: IR tower problems
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| (...) [snip] My attempt failed when adding an extension cable 2 meters in length. The computer reported a failure to communicate with the IR tower. The total length of the two joined cables apparently exceeds the maximum length for IR Tower (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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