EXFO FTB/IQS-88000 Series Power Blazer for FTB-2/2Pro/500/IQS-600 - Manual (Page 150)

Test Setup - Test Configurator, Timer, and System
138 FTB/IQS-88000 Series
GFP-F/GFP-T
GFP-F/GFP-T
Note: Only available with Ethernet 1GbE, 10GbE, or Ethernet (flex/GFP-F) client.
From the Test menu, tap Setup, Test Configurator, and tap on the
GFP-F/GFP-T block.
Note: Refer to Generic Framing Procedure (GFP) on page 598 for more
information on Client Data and Client Management frames.

CDF pFCS (Client Data Frames payload Frame Check Sequence)
enables the presence of the payload FCS for the client frames. This
setting is only available with Ethernet (flex/GFP-F) client.

CMF pFCS (Client Management Frames payload FCS) enables the
presence of the payload FCS for the management frames. The
CMF pFCS check box is automatically cleared when injecting FDI or
RDI alarms.

EXI (Extension Header Identifier) allows the selection of the type of
GFP Extension Header. Choices are Null (0000) - (Default) and
Linear (0001). EXI is only configurable with Ethernet (flex/GFP-F)
client.

CID (Channel IDentifier) selects the communication channel used for
the signal transmission for both Client Data and Client Management
frames. Choices are from 0 (default) through 255. CID is only available
when EXI is set to Linear.
The status Mismatch is displayed next to the CID value when the TX
and RX CID values differ.

Delta indicates the GFP state machine synchronization parameter.
Delta is set to 1.