EXFO FTB-5700 Single Ended Dispersion Analyzer for FTB-200 v2 - Manual (Page 73)

Single-Ended Dispersion Analyzer 67
8 Troubleshooting
Solving Common Problems
Before calling EXFO’s technical support, you may want to consider the
following solutions to problems that could occur.
Note: Should you have problems, you can activate the Keep intermediate data
option in the Acquisition tab of the Setup window and send the resulting
file to EXFO. This will allow us to help troubleshooting the problem.
General Problems
Message Possible cause Solution
No fiber is connected or
there is a bad connection.
³
The fiber is not properly
connected.
³
The connector is
broken.
³
There is a strong loss at
the very beginning of
the link.
³
Verify that the fiber is
properly connected.
³
Verify that the connector
is not broken.
³
Verify that the beginning
of the fiber under test
does not show strong
losses.
³
Clean the connector.
A non-reflective fiber end
was found at [distance].
The fiber under test is not
terminated by a UPC
connector.
Verify that the fiber under
test is terminated by a UPC
connector.
The signal fall-in noise is at
[distance].
³
The fiber under test is
not terminated by a UPC
connector.
³
The distance is above
the dynamic range.
³
Verify that the fiber
under test is terminated
by a UPC connector.
³
Make sure that the
distance is within the
dynamic range.