Measurement Of Orl - Viavi 8100 V2 Series User Manual

Chapter 3 Reflectometry measurements
Advanced functions in Expert OTDR mode
3 Press validation key
– "Distance" shows the distance between the beginning of the trace and the end
of the slope;
– "Section" shows the distance between the previous event (which may also be
the beginning of the link) and the end of the slope. Thus this section value is not
equivalent to the distance between the two slope indicators [ and ].
– "Slope" shows the slope value in dB/km
If no result is displayed in the table, this means that the distance between
the cursors A and B is too small.
Deleting a slope measurement
To delete a particular slope measurement result:
1 Superimpose the cursors A and B on the slope concerned
2 Select
Meas. >
3 Press validation key
deleted.

Measurement of ORL

It is possible to carry out an ORL measurement on a part of the fiber.
Follow the following procedure to measure a part of the fiber:
1 Position the cursors A and B to delimit the section that you wish to
measure.
2 Press the
ORL.
3 Press validation key
The ORL is measured for the section of trace defined.
100
Slope (after, if necessary, pressing
Manual Meas.).
Advanced > Modify Meas. >
User Manual
to display results table under the trace.
: the slope of the specified trace section is
Manual
.
78000010220 Rev. 023
Advanced > Modify
Meas., then select