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

Chapter 6 Install and Upgrade Internal Modules and FRUs
Step 2
Ensure that the power switch is in the Standby position.
Step 3
Remove the plastic cover from the terminal block. Save the covers for reinstallation after you finish
wiring. See
Step 4
Use a screwdriver to loosen the terminal block captive screws, as shown in
Step 5
Repeat these steps for the remaining DC input power source wire as applicable.
Step 6
Remove the input power cable from the terminal block, and gently push it out of the terminal block.
Figure 6-37
1
Install DC Input Power on Cisco 4331 ISR
Before performing any of the following procedures, ensure that power is removed from the DC
Warning
circuit. Statement 1003
Only trained and qualified personnel should be allowed to install, replace, or service
Warning
this equipment. Statement 1030
This section describes how to install the DC power supply input power leads to the Cisco 4331 Router
DC input power supply.

OL-32185-02

Figure 6-32.
Remove the Plastic Cover and DC Input Power
Plastic Cover
DC Power Source
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
Remove and Replace Cisco 4000 Series ISRs Power Supplies
Cable Tie
Figure 6-36.
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