Cisco WS-C2950T-24 Hardware Installation Guide - Page 199

Replacing the Cisco 2921 or 2951 Fan Tray

Page 199 highlights

Chapter 5 Installing and Upgrading Internal Modules and FRUs Figure 5-34 Cisco 2911 Filter Replacement Replacing a Fan Tray or Air Filter Cisco 2900 Series 1 Filter 3 Bezel 1 2 3 2 Filter cover Step 3 Remove the screw from the air filter cover and remove the filter. Step 4 Install the replacement air filter, the air filter cover, and the bezel . Replacing the Cisco 2921 or 2951 Fan Tray To replace the fan tray, complete the following steps: Note If hot-swapping the fan tray, it is recommended to complete the operation within two minutes to ensure the router remains within operating temperature. See Figure 5-35. Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Read the "Safety Warnings" section on page 5-2 section and disconnect the power supply before you perform any module replacement. Pry open the fan tray screw covers on the four captive fan tray screws. Completely loosen the four captive fan tray screws. Pull the fan tray out. Insert the replacement fan tray and tighten the four captive screws. Snap the screw covers in place. OL-18712-03 Cisco 2900 Series and 3900 Series Hardware Installation Guide 5-47

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5-47
Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-03
Chapter 5
Installing and Upgrading Internal Modules and FRUs
Replacing a Fan Tray or Air Filter
Figure 5-34
Cisco 2911 Filter Replacement
Step 3
Remove the screw from the air filter cover and remove the filter.
Step 4
Install the replacement air filter, the air filter cover, and the bezel
.
Replacing the Cisco 2921 or 2951 Fan Tray
To replace the fan tray, complete the following steps:
Note
If hot-swapping the fan tray, it is recommended to complete the operation within two minutes to ensure
the router remains within operating temperature. See
Figure 5-35
.
Step 1
Read the
“Safety Warnings” section on page 5-2
section and disconnect the power supply before you
perform any module replacement.
Step 2
Pry open the fan tray screw covers on the four captive fan tray screws.
Step 3
Completely loosen the four captive fan tray screws.
Step 4
Pull the fan tray out.
Step 5
Insert the replacement fan tray and tighten the four captive screws.
Step 6
Snap the screw covers in place.
1
Filter
2
Filter cover
3
Bezel
Cisco
2900 Series
1
3
2