EXFO FTB-1, User Manual

Page: 168 / 675

Test Setup - Test Configurator, Timer, and System
156
FTB-700G/800 Series
Interface (Ethernet, Packet Sync, Fibre Channel, and Wireless)
TX Frequency

TX Frequency (GHz) indicates the frequency (actual fre
Frequency offset) used for transmission.
Note: Frequency offset is not available with Wireless or RFC 6349 test application.

Offset (ppm)
check box, when selected (cleared by default), allows to
set the frequency offset that will be generated: ±120 ppm. 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.

Step Size (ppm) allows to set the increment/decrement value (from
0.1 to the maximum offset) that will be used when changing the
frequency offset with the “+” or “-” button.