Fluke OF-500-01 OptiFiber, Technical Reference Handbook, Page: 206 / 278

OF-500 OptiFiber Certifying OTDR
Technical Reference Handbook
9-6
If the Power Reading is Low
•
Verify that the reference test cord is connected to the
tester's INPUT port and that all other connections are
secure.
•
Verify that the wavelength you selected on the tester
matches the source's wavelength.
•
If you are measuring the output of a source used for
testing, verify that the source's output is set to
continuous wave. The modulated output produces a
lower power reading than the continuous wave
output.
•
Verify that all patch cords and adapters are good and
are of the appropriate type and core size for the
source.
•
If you are measuring the power received through
cabling, use the OTDR to check the cabling for faults.
W
Caution
Disconnect the source before connecting the
OTDR to the cabling. Live sources can damage the
OTDR’s receiver.
•
Clean all fiber connections, then retest.
•
Use a fiber microscope, such as the Fluke Networks
FiberInspector probe, to inspect the fiber connectors.
Polish the connectors if necessary, then retest.