Cisco 4000 Series - Page 167

5-43
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 5 Install and Upgrade Internal Modules and FRUs
Remove and Replace Cisco 4000 Series ISRs Power Supplies
Step 1 Read the “Safety Warnings” section on page 5-2 section and disconnect the power supply before you
replace any module.
Step 2 Remove the router bezel. The bezel is secured with snap latches. To remove the bezel, hold the top and
bottom and pull the bezel.
Step 3 Pull on the quick-release catch on the side to leverage the power supply from its connector, and then slide
the power supply module out of the chassis.
Step 4 Insert the replacement power supply module.
Step 5 Replace the bezel.
Figure 5-33 Cisco 4451-X ISR Power Supply Units
.
1 AC power supply unit PSU (behind the bezel) 2 Router On/Off switch