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I am trying to understand fiber optics basics. I read that the fiber optic cables have a tube in which there are many FIBERS. How many fibers are there actually inside a fiber optic cable?

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If you want more precise answer, you'll need to tell us what type of cable you're interested in. – AndrejaKo Nov 6 '10 at 9:02
As I mentioned,I am just learning about fiber optics,nothing in particular. – Ak1to Nov 9 '10 at 3:33

4 Answers

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As many as the manufacturer puts in there. It can range from a single fiber to many hundreds.

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up vote 3 down vote

It varies, a lot, from one to hundreds.

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up vote 1 down vote

You only need one per circuit but as others say there can be many circuits/fibres in a cable.

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up vote 1 down vote

This question is unanswerable, it depends on too many factors. Bandwidth, type of data, cable location i.e. fixed run or floating, minimum radius. Some will have redundancy built in to allow for limited mis-handling.

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