Re: tapping into a fiber optic cable

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Article #4728

#4728

From: Dannie Gregoire
Date: Thu, 31 May 1990 16:21

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beckman@iuvax.cs.indiana.edu (Peter Beckman) writes:

>Can a fiber optic cable be "tapped" into without disturbing the data
>being transmitted?  I would like to run some fiber optic cable through

If I recall correctly, it can be tapped without distubing transmitted data.

I remeber reading an article in Info World about a year ago about just such
a method.  It seems that if you bend a FO cable at more than  90 degrees
that about 20% of the signal will "bleed" out of the cable at the bend. 
An opto-receiver can be installed there with an amplifier to read the signal
without disturbing any data.
					\\-------------------\\
					 \\  Dannie Gregoire  \\
					  \\  (dannie@coplex)  \\
					   \\-------------------\\

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!aplcen!uunet!coplex!dannie
From: dannie@coplex.UUCP (Dannie Gregoire)
Newsgroups: sci.electronics
Subject: Re: tapping into a fiber optic cable
Message-ID: <151@coplex.UUCP>
Date: 31 May 90 16:21:52 GMT
References: <46249@iuvax.cs.indiana.edu>
Organization: Copper Electronics Inc.; Louisville, Ky
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