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Do you have a broken piece of fiber that you need to test or confirm where the issue is? Maybe somebody told you to use an OTDR to find the issue. In this quick lesson I will explain how and when they are used, and give a few examples with parts from the lab using a cheap device I got from Amazon.
Examples of ODTRs you might purchase, remember that if you use my links it benefits the channel a little bit:
Handheld Version: amzn.to/3u9RAhK
Tablet Version: amzn.to/42fPxFo