24 Troubleshooting; Solving Common Problems - EXFO FTB-8510B Guia Del Usuario

24 Troubleshooting

Solving Common Problems

Before calling EXFO's technical support, please read the following usual
problems that can occur and their respective solution.
Problem
OC-N/STM-N Optical Laser
LED is off and the connector
is not generating the signal.
Unable to create a Dual RX
test case from a previously
save configuration using
load configuration.
SONET/SDH Application
Possible Cause
The Laser On
option is disabled.
The SFP XFP is not
compatible with the
FTB-8115/20/30.
The AUX connector
is used for
synchronization.
Solution
Ensure that the Laser button
is enabled (On).
Ensure to use a compatible
SFP/XFP. Refer to
OTN/OC-N/STM-N Interface
Connections on page 19.
Press System, Clock
Synchronization, and select
None for RX Interface Type.
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