EXFO FTB/IQS-85100G Packet Blazer for FTB-500/IQS-600 - Manual (Page 263)

Test Functions
Packet Blazer 253
40/100G Advanced - CFP/CFP2 Control
40/100G Advanced - CFP/CFP2 Control
Note: Not available with Internal Loopback connector.
From the Test menu, tap Functions, 40/100G Advanced, and the
CFP/CFP2 Control tab.
CFP/CFP2 Reference Clock (MHz)
Allows to select the reference clock that will be used for the clock output
low speed (Clock Out Low Speed port).
CFP/CFP2 Power Class
Indicates the power class of the inserted CFP/CFP2 module.
Interface/Rate Divider ratio 64 (default) Divider ratio 16
OC-768/STM-256 155.52 MHz 622.08 MHz
40GE/100GE 161.1328 MHz 644.5313 MHz
OTU3 168.040 MHz 672.1627 MHz
OTU3e1 174.1054 MHz 696.4215 MHz
OTU3e2 174.1537 MHz 696.6149 MHz
OTU4 174.7031 MHz 698.8123 MHz