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Old 04-05-2020, 01:46 PM   #21
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Originally Posted by stuiec View Post
fer when yer wires need a zig. Or a zag. Crossover really.
close!
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Old 04-05-2020, 01:51 PM   #22
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Originally Posted by joe-nwt View Post
Yep. From the days of open wire telephone. Allowed for a mid-span transition.

Found it laying in the bush about 12 years ago, been hanging on the wall in the shop since.

What interesting item have others here found?
Crosstalk. Parallel open wires were prone to crosstalk. crossing the lines at regular intervals helped to stop this.
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Old 06-17-2020, 08:36 AM   #23
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Originally Posted by batwing44 View Post
Crosstalk. Parallel open wires were prone to crosstalk. crossing the lines at regular intervals helped to stop this.
The original twisted pair?

So if Cat 6 is 6 TPI, was open wire 1 per 150'? Amazing innovation when you think about it.
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Old 06-17-2020, 05:27 PM   #24
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The original twisted pair?

So if Cat 6 is 6 TPI, was open wire 1 per 150'? Amazing innovation when you think about it.
You think someone figured it out when they were pulling wire and tested the naturally twisted wire to see if it would work?
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Old 06-18-2020, 08:43 AM   #25
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You think someone figured it out when they were pulling wire and tested the naturally twisted wire to see if it would work?
Good Point.

Maybe they did a test before it was straightened out, and mounted on the cross ties and found it had a cleaner signal. A lot of stuff was invented by accident.
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