Subject:
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Re: Re[2]: phone cord length
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Tue, 4 Mar 1997 19:23:21 GMT
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Original-From:
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ED Spike, E&CE Dept. <spike@eestaff.[StopSpammers]watstar.uwaterloo.ca>
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Viewed:
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1966 times
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On Tue, 4 Mar 1997, Richard Whitehead wrote:
> TTL does NOT go down that line, it is RS232 which is commonly used at
> up to 50 feet. However, you might need to use a shielded cable if you
> use a lead longer than about 10 feet.
> Richard
One could consider plastic optical fibre for that length.
The diameter is small. It is flexible. No shielding required.
You could have one for each direction of signal.
Motorola had a plastic optical fibre kit years ago.
Have fun.
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Ed Spike
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Message is in Reply To:
 | | Re[2]: phone cord length
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| TTL does NOT go down that line, it is RS232 which is commonly used at up to 50 feet. However, you might need to use a shielded cable if you use a lead longer than about 10 feet. Richard (28 years ago, 4-Mar-97, to lugnet.robotics.handyboard)
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