EXFO FTB-8500 Series for FTB-200 - Manual (Page 417)

Ethernet and Fibre Channel Application 403
26 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
FTB-8500 Series and
FTB-8120NGE/8130NGE.

Ensure to use a
compatible SFP/XFP.
Refer to Physical
Interfaces and LEDs on
page 11.
Logger Printing Problem

The printer interface
card (PCMCIA) and its
drivers are not correctly
installed or no
communication can be
established with the
printer.

Printer supplies are
missing to execute the
print operation

Check the interface card
and printer to ensure
they are properly
installed and powered.

Check paper or other
printer supplies are
present.