Exfo FTB/IQS-88000 Series Power Blazer for FTB-2/2Pro/5 Manual de usuario descargar pdf (Pagina 145)

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101

Test Setup - Test Configurator, Timer, and System

Power Blazer 133

Frequency

From the Test menu, tap Setup, Test Configurator, tap on the interface

block, and on the Frequency tab.

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 test applications, ±50 ppm for Transport Framed, and

±120 ppm for Transport Unframed 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.

Interface Frequency Offset

a. The frequency offset range is guaranteed for a source signal at 0 ppm. In the event

that the source signal already has an offset, then the output signal may exhibit an

offset larger than the range specified.

Nominal Frequency

OTU3 ± 50 ppm (Framed)

± 120 ppm (Unframed)

43018413559 bit/s

OTU3e1 44571000000 bit/s

OTU3e2 44583000000 bit/s

OTU4 111810000000 bit/s

1 2 ... 140 141 142 143 144 145 146 147 148 149 150 ... 680 681

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Exfo FTB/IQS-88000 Series Power Blazer for FTB-2/2Pro/5 Manual de usuario Pagina 145

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