IBM OPTIONS ATM OC-3c, User Manual

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D
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ROUBLESHOOTING
How to Use this Guide to Troubleshoot
This troubleshooting section describes how to identify
the cause of a problem and suggests possible
solutions. Troubleshooting has been divided into four
sections.
■
Using LEDs
LEDs on the Switch and ATM Module provide
valuable status information that can be used for
troubleshooting. You may find it useful to
familiarize yourself with these LEDs before reading
the troubleshooting suggestions in the following
sections.
■
Identify the Problem
Use this section when you do not know the cause
of the problem.
■
Solving a known Problem
Use this section when you have detected a
problem, and want to look up possible solutions.
You should read this troubleshooting information
in conjunction with the troubleshooting provided
in the user guide that accompanies your Switch.
■
Cleaning Dirty Fiber Optic Connectors
This section tells you how to clean the fiber optic
connectors on the ATM Module and connecting
cables.
If you have problems that are not addressed by
troubleshooting information in this guide, contact
IBM Technical Support, or your service person. For
Technical Support information refer to Appendix E.