Knowledge
What Is a PON Network? GPON, XGS-PON and the Future Explained
PON means Passive Optical Network. Learn how PON works, what PON on a router means, GPON vs XGS-PON, and where the technology is heading.
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Knowledge
Knowledge
Optical Power Meter Readings Explained: dBm, dB & Measurement
Understand optical power meter readings: what dBm and dB mean, what a good value is, how optical power measurement works, and why readings can mislead.
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Knowledge
OTDR Trace Explained: Pulse Width, Dead Zones, Gainers & Launch Cables
Understand an OTDR trace: what pulse width controls, dead zones, why a launch cable is used, what a gainer is, and how OTDR differs from OLTS.
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Knowledge
What Is OTDR Testing? How It Works and What It Measures
OTDR testing characterizes a fiber from one end. Learn what OTDR means, how an OTDR works with backscatter and reflections, and what it measures.
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Knowledge
What Does a Cable Tester Do? A Complete Guide
A cable tester checks the integrity of network cables. Learn what it does, the types, how it works, and its limits for copper and fiber networks.
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Knowledge
What Is the Source of Fiber? Fiber Optic Light Sources Explained
In fiber optics, the source is the light source that launches optical energy into the fiber. Learn what it is, the LED vs laser types, wavelengths, and how it fits into testing.
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Knowledge
What Does OTDR Stand For? Optical Time-Domain Reflectometer Explained
OTDR stands for Optical Time-Domain Reflectometer. Learn what it means, how an OTDR works, how to read a trace, and how it differs from a power meter.
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