Exfo FTB-800 Series for FTB-1 Instrukcja Użytkownika Pobierz pdf (Strona 147)

100

101

Test Setup - Test Configurator, Timer, and System

NetBlazer 137

Interface (Ethernet)

TX Frequency

 TX Frequency (GHz) indicates the frequency (actual frequency +

Frequency offset) used for transmission.

 Offset (ppm) check box, when selected (cleared by default), allows to

set the frequency offset that will be generated. Use the “+” or “-”

button to respectively increment or decrement the frequency offset

value based on the defined Increment/Decrement Size, or directly

type the frequency offset value in the field. The range is ±120 ppm for

Ethernet and Packet Sync test applications.

 Step Size (ppm) allows to set the increment/decrement value (from

0.1 to either 50 or 120 depending on the test configuration) that will be

used when changing the frequency offset with the “+” or “-” button.

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