Glossary
474
FTB-8100 Series Transport Blazer
SDH - Lower-Order Path Overhead
VT Payload Pointer
The VT Payload Pointer provides a method of allowing flexible and
dynamic alignment of the VT SPE within the VT Superframe.
³
New Data Flag
NDF is enabled when at least 3 out of 4 bits match “1001”. NDF is
disabled when at least 3 out of 4 bits match “0110”.
³
Pointer Value
The pointer value indicates the offset between the V2 byte and the first
byte fo the VC-2/VC-1. The pointer bytes are not counted in the offset
calculation. The pointer is a binary number with the following range:
Path
Range
TU-2
0
427
TU-12
0
139
TU-11
0
103
Содержание FTB-8100 Series
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