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24 troubleshooting, Solving common problems – EXFO IQS-8100 Series Transport Blazer for IQS-600 User Manual

Page 575

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SONET/SDH Application

561

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

Possible Cause

Solution

OC-N/STM-N Optical Laser

LED is off and the connector

is not generating the signal.

³

The Laser On

option is disabled.

³

The SFP XFP is not

compatible with the

IQS-8115/20/30.

³

Ensure that the Laser button

is enabled (On).

³

Ensure to use a compatible

SFP/XFP. Refer to
OTN/OC-N/STM-N Interface
Connections
on page 20.

Unable to create a Dual RX

test case from a previously

save configuration using

load configuration.

³

The AUX connector

is used for

synchronization.

³

Press System, Clock

Synchronization, and select
None for RX Interface Type.