6-35
Hardware Installation Guide for the Cisco 4451-X Integrated Services Router
OL-27644-01
Chapter 6 Installing and Upgrading Internal Modules and FRUs
Replacing a Fan Tray
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.
Step 1
Read the
“Safety Warnings” section on page 6-2
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.
Figure 6-26
Cisco ISR 4451-X Fan Tray Replacement
1.
Fan Tray
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1