Ethernet and Fibre Channel Application
447
24 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/XFP and
the rate selected for the
test case (LAN or WAN).
Ensure that the SFP/XFP
is supporting the rate
used for the test case
(LAN or WAN).
The SFP/XFP is not
compatible with the
IQS-8500 Series and
IQS-8120NGE/8130NGE.
Ensure to use a
compatible SFP/XFP.