MaxTester 411
14 Troubleshooting
Solving Common Problems
Before calling EXFO’s technical support, please read the following
common problems that can occur and their respective solution.
Problem Possible Cause Solution
Optical Laser LED is off and the
connector is not generating the
signal.
The Laser On option is disabled. Ensure that the Laser button is
enabled (On).
There is a configuration mismatch
between the inserted transceiver
and the rate selected for the test
case.
Ensure that the transceiver is
supporting the rate used for the
test case.
The transceiver is not compatible
with the unit.
Ensure to use a compatible
transceiver. Refer to Modify
Structure Button on page 65 and
Specifications on page 419.
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