From the course: Electrical Systems: Communications and Data
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Testing fiber-optic cables
From the course: Electrical Systems: Communications and Data
Testing fiber-optic cables
- [Narrator] Fiber-optic cables and fiber strands should be tested after they're installed and terminated and in their final resting position. Proper testing confirms to the user that the cable does not have any defects and that the light signal will be able to pass through that circuit as designed quickly and completely. There are few different types of testers. First, there's a visual fault locator or VFL. This is really the most basic or rudimentary type of tester. It simply applies a bright light across the cable strand. Any imperfection or failure in the cable will display light escaping from it. This type of tester does not measure specific parameters of the cable's performance and does not generate a test report. It's more of a quick check low cost tester. A light source or power meter is an economical way to obtain accurate results and a great way to certify optical fiber. A power meter is actually two pieces of…
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