EXFO FTB-8100 Series Transport Blazer for FTB-200 - Manual (Page 364)

Common Tabs
352 FTB-8100 Series Transport Blazer
HOP/LOP Pointer Adjust RX (SONET/SDH)
HOP/LOP Pointer Adjust RX (SONET/SDH)
Press Main, Test, SONET/SDH, HOP/LOP, and Ptr RX.
Pointer
³
Current Value displays the value of the pointer:
³
For HOP: Displays the value for the pointer, H1 and H2, indicating
the offset in bytes between the pointer and the first byte of the
STS-n (SONET) or AU-n (SDH).
³
For LOP: Displays the value of the pointer, V1 and V2, indicating the
offset in bytes between the pointer and the first byte of the VTn
(SONET) or TU-n (SDH) of the high order path. However, TU-3
considered a low order path, uses the H1, H2, H3 bytes for its
location.
³
Cumulative Offset indicates the difference between the pointer
increment and the pointer decrement. A pointer jump will reset this
value to 0.