Exfo FTB-7000 OTDR for FTB-200 v2 Manual do Utilizador descarregar pdf (Página 162)

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101

Analyzing Traces and Events

148 FTB-7000 Series

Setting the Analysis Detection Thresholds

Note: This function is available in Advanced mode only.

To optimize event detection, you can set the following analysis detection

thresholds:

³ Splice loss threshold: To display or hide small non-reflective events.

³ Reflectance threshold: To hide false reflective events generated by

noise, transform non-harmful reflective events into loss events, or

detect reflective events that could be harmful to network and other

fiber-optic equipment.

³ End-of-fiber threshold: To stop the analysis as soon as an important

event loss occurs; for example, an event that could compromise signal

transmission toward the end of a network.

IMPORTANT

The end-of-fiber (EoF) threshold that you define will be used in

Automatic mode and in Advanced mode if you let the application

evaluate the acquisition settings.

If you set this threshold, an EoF event will be inserted at the first

event for which the loss crosses the threshold. The application will

then use this EoF event to determine the acquisition settings.

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