Frequency – EXFO RTU 310-310G IP Services Test Head User Manual
Page 147

Port Tabs
Ethernet and Fibre Channel Application
135
Electrical TX
Frequency
Note: Frequency offset generation is not available for 10Base-T test and when
Through Mode is selected.
Frequency Offset (ppm): Allows entering a positive or a negative
frequency offset in ppm. Choices are listed in the table below. The
default setting is 0. The frequency offset value can be changed on the
fly even when activated (On).
Actual Frequency (bps): Indicates the frequency (actual frequency +
Frequency offset) that will be used for transmission.
Nominal Frequency (bps): Indicates the nominal frequency of the
signal. The nominal frequencies are listed in the table below.
On/Off button: Allows enabling the frequency offset generation. This
setting is disabled (Off) by default.
Interface
Frequency Offset
a
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
100Base-T
±120 ppm
125000000 bps
1000Base-T
±120 ppm
1250000000 bps
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