Network Card User Manual
CHAPTER
Hardware Troubleshooting 5-1
5
Hardware Troubleshooting
Your Cisco AS5800 was thoroughly tested before leaving the factory. If you encounter problems
initializing system startup, use the information in this chapter to help isolate the cause.
This chapter contains the following sections:
• Problem Solving with Subsystems
• Identifying Startup Problems
• Troubleshooting the Power Subsystems
• Troubleshooting the Cooling Subsystems
• Troubleshooting the Processor Subsystems
• Troubleshooting Network Interfaces
The procedures in this chapter assume that you are troubleshooting the initial hardware configuration
and system startup. If you have removed or replaced components or changed any default settings,
the recommendations in this chapter might not apply. Review the safety warnings listed in the
publication Cisco AS5800 Universal Access Server Regulatory Compliance and Safety Information
before using the troubleshooting procedures in this chapter.
If you are unable to resolve the problem, contact a customer service representative for assistance and
further instructions. Provide the representative with the following information:
• Date you received the system
• Chassis serial number
• Type of software and release number
• Brief description of the problem
• Brief explanation of the steps you have taken to isolate and resolve the problem
• Maintenance agreement or warranty information