EXFO FTB-8500 Series for FTB-500 - Manual (Page 249)

Stream Generation Tabs
Ethernet and Fibre Channel Application 235
Frame Configuration (Fibre Channel)

SEQ_ID: The Sequence Identifier specifies the sequence to which the
frame belongs. Choices are from 00 to FF. The default setting is
hexadecimal 01.

DF_CTL: Data Field Control indicates whether any optional headers are
included at the start of the data field and what the format is if there are
any. The default setting is hexadecimal 00 (no optional headers
present).
Note: No optional headers are supported.

SEQ_CNT: The Sequence Count indicates the sequential order of the
frame in the sequence. Possible values are from 0 (hex 0000) to 65535
(hex FFFF). The default setting is hexadecimal 0001 (Unique
Sequence Identifier).

OX_ID: The Originator Identifier is the exchanged ID assigned by the
originator of the exchange. Possible values are from 0 (hex 0000) to
65535 (hex FFFF). The default setting is hexadecimal 0001 (only one
frame to count in each sequence).

RX_ID: The Responder Identifier is the exchange ID assigned by the
responder to the exchange. The default is hexadecimal FFFF
(unassigned).

PARAM: The Parameter (PARAM) in data frames is the relative offset,
which is the relative displacement of the first byte of the data field
(payload) from a base address specified by the Upper Layer Protocol
(ULP). Possible values are from hexadecimal 00000000 to FFFFFFFF.
The default setting is hexadecimal 00000000.
Reset To Default button: Allows to revert the FC2 Headers fields to their
default values.