EXFO FTB/IQS-85100G Packet Blazer for FTB-500/IQS-600 - Manual (Page 146)

Test Setup - Test Configurator, Timer, and System
136 FTB/IQS-85100G
Signal (Transport)
RX Frequency
Note: The following RX Frequency information applies to serial interface only,
refer to RX Frequency on page 86 for parallel interface.

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 183 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.