EXFO FTB-1, User Manual

Page: 257 / 675

Test Setup - Test Configurator, Timer, and System
NetBlazer
245
Signal (Transport)
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.
RX Frequency

Frequency (GHz) indicates the frequency of the input signal.

Offset (ppm)
indicates the frequency offset between the standard rate
specification and the rate at the input signal.
Note:
For both Frequency and Offset the following background colors are used.

Max. Negative Offset (ppm)
indicates the maximum negative
frequency offset between the standard rate specification and the rate
from the received signal.

Max. Positive Offset (ppm) indicates the maximum positive
frequency offset between the standard rate specification and the rate
from the received signal.
Note:
Refer to
Interface
on page 311 for more information on standard rate
specifications.
Background color Description
Green The frequency is in range.
Red The frequency is out-of-range. LOC is also displayed.
Gray Pending state.