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Advanced Test & Troubleshooting


This comprehensive 3-day course is designed to teach students in-depth procedures for testing and troubleshooting of fiber networks. It will include best practices for continued operation and maintenance of fiber optic systems. As a prerequisite, students are expected to have a basic understanding and experience using an OLTS & OTDR.

Completion of this course will give students a more complete understanding of testing, troubleshooting and maintaining a fiber network. More over, it includes tools and equipment that will be required to perform Tier 1 & Tier 2 testing. Students will be using the latest test equipment and working with live singlemode fiber optic cable.


Course Curriculum

  • Understanding uses and functionality of an OTDR and OLTS
  • Differences between Tier 1 & Tier 2 testing to TIA/ISO/IEC standards and when to use each
  • How to measure power from live circuits
  • How and when to add loss to a fiber network
  • Understanding power measurements relative to loss
  • How to use the correct IOR in an OTDR test
  • Understanding a fiber optic Gainer in an OTDR trace
  • How to analyze OTDR traces
  • How to analyze power (dBm) and insertion loss (dB) test results
  • How to identify failures in a fiber network

Students will perform the following tests using an OTDR and OLTS:

  • End to end single test trace and analysis results
  • Live end to end multiple trace and analysis results in real-time
  • Bi-directional finer cable testing
  • Insertion loss (dB) and power (dBm) test using the PM module in an OTDR
  • Live power measurement from a 10GbE SFP and analysis results
  • End to end power measurement and link loss
  • Connector loss
  • Excessive cable bends
  • Splice loss


So Why Training From JM Fiber Optics?

The answer is simple. Our instructors have several years of “real-world” experience working in ISP and OSP environments specific to fiber optics. We not only teach you general practices set forth by industry standards, but we go well beyond. Training is taught specifically by our instructors and not inexperienced manufacturer representatives who call themselves instructors. JM Fiber Optics does not offer training without hands-on to support the classroom curriculum. Why is this important? Because you simply cannot gain the experience and education necessary to become a fiber optic technician by watching instructional videos on-line or reading general published “how to” information.


If you have any questions regarding training offered by JM Fiber Optics, feel free to give a call during normal business hours (PDT) at 1-888-343-4237. You can also send an email to or register online.


At JM Fiber Optics, we look forward to solving your fiber optic training needs, today!