Cisco 7200 Series Replacement Instructions Manual page 10

Removing and Replacing an AC-Input Power Supply
Powering Down the Router and Disconnecting AC-Input Power
To power down a Cisco 7200 series router that has an installed AC-input power supply, complete the
following steps:
Note
save the router's running configuration to nonvolatile memory.
Step 1
Step 2
To disconnect AC input power to the Cisco 7200 series router, complete the following steps:
Step 1
Step 2
Step 3
Figure 6
Step 4
This completes the procedure for powering down the router and disconnecting AC-input power.
Proceed to the section "Removing the AC-Input Power Supply."
10
Before powering down the router, use the copy running-config startup-config command to
Facing the rear of the router, place the power switch (on the power supply) in the OFF (0)
position. Repeat this action if a second power supply is installed in the router.
Observe the following items:
•
The green OK LED on the power supply turns off
•
The fans stop operating
•
The LEDs on the I/O controller turn off
•
The LEDs on the port adapters turn off
Unplug input power cable from the power source.
Push down on the cable-retention clip that secures the input power cable to the router's
power supply.
Unplug the other end of the input power cable from the power supply (refer to Figure 6).
Disconnecting Power from a Cisco 7200 Series AC-Input Power Supply
Repeat Step 2 through Step 1 if a second power supply is installed.
Internal fans
AC-input
receptacle
NETWORK PROCESSING ENGINE-150
AC-input
power supply
Power switch