EXFO FTB-8510B Guia Del Usuario página 835

Row 4
GCC1: The two General Communication Channel-1 bytes are
configurable from 00 to FF. The default value for each byte is 00.
GCC2: The two General Communication Channel-2 bytes are
configurable from 00 to FF. The default value for each byte is 00.
APS/PCC: The Automatic Protection Switching / Protection
Communication Channel overhead bytes are defined in the ITU-T
G.709 standard. These bytes are configurable from 00 to FF. The default
value is 00.
RES: The six Reserved (RES) bytes are configurable from 00 to FF. The
default value for each byte is 00.
Default
Reverts the overhead bytes to their default values.
SONET/SDH Application
OTN Tabs
ODU OH TX
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