EXFO FTB-1, User Manual

Page: 518 / 675

Test Functions
506
FTB-700G/800 Series
Pointer Adjustment
Pointer Adjustment
From the
Test
menu, tap
Functions
, and the
Pointer Adjustment
tab.
TX Pointer Adjustment
Note:
Only available in Coupled topology.
The pointer adjustment supports two modes of operation: Manual and
Sequence
. Both modes offer the generation of pointer events even when
the test is not started.
TX Pointer Adjustment - Manual Button
Step

Value
For STS/AU: Select the number of positive (Increment) or negative
(Decrement) pointer adjustments to include into the STS-n (SONET) or
AU-n (SDH):
1 (default) to 1000 . For multiple pointer adjustments, the
pointer adjustment rate is 1 adjustment at every 4 frames.
For VT/TU: Select the number of positive (Increment) or negative
(Decrement) pointer adjustment to include into the VTn (SONET) or
TU-n (SDH):
1 (default) to 1000 . For multiple pointer adjustments, the
pointer adjustment rate is 1 adjustment at every 4 multiframes.

Increment button sends the positive pointer adjustment defined.

Decrement
button sends the negative pointer adjustment defined.

Pointer Value indicates the current pointer value.