A network technician is troubleshooting a fiber optic link that is performing below expected levels. The technician suspects that the issue may be related to the signal strength. What is the BEST method to verify and troubleshoot the signal strength related issues?
Check the compatibility of the transceiver with the installed fiber cables.
Replace the fiber cables with higher category ones to improve signal strength.
Measure the dB loss using an Optical Power Meter.
Adjust the wavelength settings on the networking hardware.
Using an Optical Power Meter is the most accurate and direct method to measure the strength of the light signal in a fiber optic cable, providing quantifiable data on how much signal loss occurs between transmitter and receiver. Strength testers or adjusting wavelengths, although related to managing signal strength, do not provide specific measurements needed to diagnose issues and identify potential losses. Ensuring hardware compatibility relates to initial configuration rather than troubleshooting an existing problem.
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What is an Optical Power Meter and how does it work?
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What does dB loss mean in the context of fiber optics?
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What other factors can affect the performance of a fiber optic link?