EXFO FTB-800 Series for FTB-1 - Manual (Page 429)

Test Functions
NetBlazer 419
OH - OTN

JC, column 16, OPU OH:

Bits 1-6, Reserved (RES), are configurable from binary 000000
(default) to 111111.

Bits 7-8, Justification Control (JC), are configurable from binary
00 (default) to 11. Not available with ODU mux. Changing the JC
value will corrupt the payload.
Row 3

TCM3/TCM2/TCM1, columns 1-9, ODU OH: See TCM6/TCM5/TCM4 on
page 418 for more information.

PM, column 10-12, ODU OH: The Path Monitoring overhead contains
the following bytes.
The first PM byte (column 10) contains the TTI byte that is not
configurable.
The second PM byte (column 11) contains the BIP-8 byte and is
automatically generated for each frame. This byte is not configurable.
The third PM byte (column 12) contains the following sub-fields. This
byte is configurable from 00 to FF. The default value is 01.

EXP., column 13-14, ODU OH: The two Experimental overhead bytes
are configurable form 00 (default for each byte) to FF.

RES, column 15, ODU OH: The Reserved (RES) bytes are configurable
from 00 (default) to FF.
Bit 1-4 Bit 5 Bit 6-8
BEI BDI STAT