Im pretty sure I have posted about this before, but one thing I had to do recently was to check some fiber. Being a network guy and not a cable guy, I really dont have any good electronic tools to check fiber runs. But, what I do have is a cell phone with a camera on it. I personally never look into a GBIC or a fiber where a laser could be coming out. I know there are arguments that say its ok, but I just like to NOT do it. My cell phone is much more forgiving than my eyes. So I use my cell phone to check for the laser. You can see below that I do have a laser coming out of the fiber run in this case (circled). Anyway, glad that was not the problem in this case.
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