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Fiber light tester

This is a discussion on Fiber light tester within the Cabling and Network Cards forums, part of the Tech Support Forum category. Hello. I'm new here so I hope I put this post in the correct section. When working with fiber one

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Old 07-25-2014, 01:31 AM   #1
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Hello. I'm new here so I hope I put this post in the correct section.

When working with fiber one has to be concerned with eye safety. With that in mind is there a simple tester that will tell you what side the light is on or if you have a light at all without looking directly into the Gbic or fiber end? I have looked all over but I have not found anything. I was told that you can use smoke to tell but cans of smoke are pricy and I'm not sure if you can use them in a school. Does anyone know of such tool?

I'm not looking to test the power of the fiber but more of a pocket tester that will only tell me if I have light coming out of the Gbic or fiber connector and what side of the Gbic or patch cable the light is on so I can match "light to no light" without looking directly into the fiber end or Gbic.
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Old 09-12-2014, 01:33 AM   #2
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do you want to test the light signal of the fiber cable? the most easier method is that connect it to a switch or other device, it will has a flicker. it is commonly used the OTDR to test. the famous brand of OTDR such JDSU, YOKOGAWA, EXFO and so on.
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