EXFO FTB-800 Series for FTB-1 - Manual (Page 511)

NetBlazer 501
15 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 SFP and the
rate selected for the test
case.

Ensure that the SFP is
supporting the rate used
for the test case.

The SFP is not
compatible with the
FTB-700G/800 Series.

Ensure to use a
compatible SFP. Refer to
Modify Structure Button
on page 84.