Ol-32185-02 - Cisco 4451 ISR Hardware Installation Manual

Chapter 6 Install and Upgrade Internal Modules and FRUs
Figure 6-30
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3
5

OL-32185-02

Cisco 4451-X ISR Power Supply Units
4
Router fan tray (behind the bezel)
Router On/Off switch
AC power supply unit PSU1
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
Remove and Replace Cisco 4000 Series ISRs Power Supplies
1
2
LEDs
4
AC power supply unit PSU0
2 3
Cisco 4400 Series
PSU1 PSU2 INT FLASH TEMP PWR
POE
POE1 POE2 BOOST
VM FAN STAT
5
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