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 21:58:41 GMT
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Viewed:
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674 times
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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?
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Message has 1 Reply:
 | | Re: IR tower problems
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| (...) 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 (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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Message is in Reply To:
| | RE: IR tower problems
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| (...) One technique that is forgotten in the days iof surface mount is to use a sacrificial connector. Back in the olden days, when we updated a BIOS by changing the actual chip (no FLASH then) we would often put the chip in a second socket, or put (...) (24 years ago, 14-Feb-01, to lugnet.robotics)
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