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25 troubleshooting, Solving common problems – EXFO FTB-8500 Series for FTB-500 User Manual

Page 459

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Ethernet and Fibre Channel Application

445

25 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.

This manual is related to the following products: