EXFO FTB-8100 Series Transport Blazer for FTB-500 - Manual (Page 463)

Next-Generation Tabs
SONET/SDH Application 449
GFP Frames RX
GFP Frames RX
Press TEST, GFP, and Frames (under GFP RX).
Configuration
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UPI (User Payload Identifier): Indicates the type of payload conveyed in
the GFP Payload Information field. UPI is only selectable from the test
setup. See Configuration on page 432 for more information.
Note: For 10G Ethernet in GFP over OPU2, when through mode is not selected,
both Framed 64B/66B Ethernet and Framed 64B/66B Ethernet Ordered
Set payload types are used as the expected UPI.
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EXI (Extension Header Identifier): Allows the selection of the type of
GFP Extension Header. Choices are Null (0000) and Linear (0001). The
default setting is Null. EXI is not configurable and set to Null for ODU2
to 10G Ethernet or Pattern over GFP, and ODU0 to Gb Ethernet over GFP
test cases.
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Delta: Indicates the GFP state machine synchronization parameter.
Delta is set to 1.