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Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 6 Install and Upgrade Internal Modules and FRUs
Remove and Replace Cisco 4000 Series ISRs Power Supplies
Figure 6-30 Cisco 4451-X ISR Power Supply Units
.
1 Router fan tray (behind the bezel) 2 LEDs
3 Router On/Off switch 4 AC power supply unit PSU0
5 AC power supply unit PSU1
Cisco 4400 Series
285695
PSU1 PSU2
POE1 POE2
FLASH TEMP PWR
VM FAN STAT
INT
POE
BOOST
1 2 3
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