Exfo FTB-635 Wideband Copper and DSL Test Module Instrukcja Użytkownika Strona 77

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Copper Tests: Using the Main Menu
Copper and xDSL Tests 69
Application Settings
Resistance lists the units for resistance in (/km or /mi).
Attenuation lists the units for the reduction in signal strength or
insertion loss of the cable, in (dB/km or dB/mi).
Power Spectral Density (PSD) lists the units to measure the noise
energy at a point in a noise spectrum. Units are dependent on the
previously selected Level.
Label Customization
Connection lists the type of cable connection: T-R-G or A-B-E.
Test Parameters Preset
Power Line Frequency lists the frequency value of the power line.
Termination Impedance lists the values for the impedance of the
dummy load connected to the line.
Noise Filter lists the type of noise filters to use.
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