CHAPTER
4-1
Cisco Catalyst 4900M Switch Installation Guide
78-18350-01
4
Troubleshooting the Installation
This chapter describes how to troubleshoot the Catalyst 4900M switch hardware
installation and contains these sections:
• Getting Started, page 4-1
• Problem Solving to the System Component Level, page 4-2
• Identifying Startup Problems, page 4-2
• Troubleshooting the Power Supply, page 4-5
• Contacting Customer Service, page 4-6
If your system has problems starting up, use the information in this chapter to help
isolate the cause. Problems with the initial startup are often caused by poor or
improper connections. Although temperature conditions above the maximum
acceptable level rarely occur at initial startup, environmental monitoring
functions are included because they also monitor DC-line voltages.
Note For configuration questions or problems, refer to the software configuration guide
or the command reference publication to configure or enable the interfaces.
Getting Started
When the initial system boot is complete, verify the following:
• Power supplies are supplying power to the system.
• The system fan assembly is operating.
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