Cisco Catalyst 9404R Switch User Manual

Removing and Replacing FRUs 79
CHAPTER 6
Removing and Installing the Fan Tray 79
Enabling the Service Mode Before Removing the Fan Tray 80
Removing the Fan Tray from the Front 80
Installing the Fan Tray from the Front 83
Removing the Fan Tray from the Rear 84
Installing the Fan Tray from the Rear 87
Verifying Fan Tray Installation 88
Removing and Installing the Power Supply 89
Installing the Power Supply 89
Removing the Power Supply 92
Removing and Installing Power Supply Blanks 96
Power Cord Retainer Mechanism 98
Verifying the Power Supply Installation 103
Troubleshooting 105
CHAPTER 7
About this Section 105
System Boot Verification 105
Using LEDs to Identify Startup Problems 106
System Messages 107
Troubleshooting with Software 107
Troubleshooting the Power Supply 107
Useful Cisco IOS Commands - Power Supply 108
Troubleshooting the Fan Tray Assembly 109
Useful Cisco IOS Commands - Fan Tray Assembly 110
Troubleshooting High Temperature Alarms 110
Troubleshooting the Switching Module 111
Useful Cisco IOS Commands - Switching Modules 111
Troubleshooting Supervisor Modules 111
Supervisor Module LEDs 111
Standby Supervisor Engine Problems 111
Switch Self Reset 112
Cannot Connect to a Switch Through the Console Port 113
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
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Contents

Cisco Catalyst 9404R Switch Specifications

General

Brand	Cisco
Model	Catalyst 9404R Switch
Category	Switch
Language	English