Removing And Replacing The Fan Assembly; Required Tools; Removing The Fan Assembly - Cisco Catalyst 4900M Installation Manual
Cisco systems switch installation guide
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Also See for Cisco Catalyst 4900M:
- Installation manual (152 pages) ,
- Troubleshooting manual (6 pages) ,
- Configuration handbook (359 pages)
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Chapter 3
Installing the Switch
Step 11
Press the power switch to the on (|) position.
Verify power supply operation by checking the power supply's front-panel LEDs. You should see the
Step 12
following:
•
•
Check the power supply and system status from the system console by entering show power command.
Step 13
For more information on this command, refer to the command reference publication for your switch.
If the LEDs or show power command output indicate a power problem or other system problem, see
Step 14
Chapter 4, "Troubleshooting the Installation,"
Removing and Replacing the Fan Assembly
This section describes how to remove and install the fan assembly.
Required Tools
You will need a Phillips screwdriver for the following two procedures.
Removing the Fan Assembly
When removing the fan tray, keep your hands and fingers away from the spinning fan blades. Let the
Warning
fan blades completely stop before you remove the fan tray. Statement 258
Never operate the system for an extended period if the fan assembly is removed or if it is not functioning
Caution
properly. An over-temperature condition can cause severe equipment damage.
To remove the existing fan assembly, perform the following steps:
Loosen the two captive installation screws on the fan assembly by turning them counterclockwise.
Step 1
Grasp the fan assembly with both hands and pull it outward; gently move it side to side if necessary to
Step 2
unseat it from the backplane. Slide it out of the chassis and place it in a safe place.
78-18350-02
The LED labeled INPUT OK is green.
The LED labeled OUTPUT OK is green.
Removing and Replacing the Fan Assembly
for more information.
Cisco Catalyst 4900M Switch Installation Guide
3-21
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Table of Contents
Troubleshooting
