EXFO FTB-800 Series for FTB-1 - Manual (Page 456)

Test Functions
446 FTB-700G/800 Series
Pointer Adjustment

T1 to T6 are configurable duration parameters. The range of the
duration parameters as well as their availability versus pointer
sequence are described in the following table.
Pointer Sequence Pattern Parameter Duration range
Single pointers of opposite
polarity
T1 10 to 30 s (default 10 s)
Regular pointers plus one
double pointer
T2 AU/TU-3: 7.5 ms to 30 s (default 0.333 s)
TU-11/12: 0.2 s to 30 s (default 0.75 s)
T3 AU/TU-3: 0.5 ms
TU-11/12: 2 ms
Regular pointers with one
missing pointer
T2 AU/TU-3: 7.5 ms to 30 s (default 0.333 s)
TU-11/12: 0.2 s to 30 s (default 0.75 s)
Double pointers of opposite
polarity
T1 10 to 30 s (default 10 s)
T3 STS-x/AU-x/TU-3: 0.5 ms to 1 s (default 0.5 ms)
VT-x/TU-11/12: 2 ms to 1 s (default 2 ms)
Single pointer adjustment T6 30 to 60 s (default 30 s)
Burst pointer adjustment T4 STS-x/AU-x/TU-3: 0.5 ms
VT-x/TU-11/12: 2ms
T6 30 to 60 s (default 30 s)
Phase transient T6 30 to 60 s (default 30 s)
Periodic pointer adjustment
87-3 pattern
T5 7.5 ms to 10 s (default 0.333 s)
Periodic 87-3 with Add T4 0.5 ms
T5 7.5 ms to 10 s (default 0.333 s)
Periodic 87-3 with Cancel T5 7.5 ms to 10 s (default 0.333 s)
Periodic pointer adjustment
continuous
T5 STS-x/AU-x/TU-3: 7.5 ms to 10 s (default 0.333 s)
VT-x/TU-11/12: 0.2 s to 10s (default 1 s)