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9-9
Network Processing Engine and Network Services Engine Installation and Configuration
OL-4448-12
Chapter 9 Removing and Installing the NPE or NSE
Removing and Replacing the NPE or NSE
Note Repeat the Steps 1 to 5 to disconnect secondary power supply, if connected.
This completes the procedure for disconnecting DC-input power from a Cisco uBR7246VXR router.
Go to the following section, “Removing the NPE or NSE”.
Removing the NPE or NSE
To remove the NPE or NSE from a Cisco 7200 series router, Cisco 7204VXR or Cisco 7206VXR router,
or Cisco
uBR7200 series router, complete the following steps.
Note The weight of installed power supplies in your Cisco 7200 series router might make it difficult to remove
the network processing engine. If you have difficulty, first remove the power supplies from the chassis,
and then remove the network processing engine. See the
“Removing and Replacing an AC-Input or
DC-Input Power Supply” section on page 10-14 for information on removing and replacing an installed
power supply.
This note does not apply to the Cisco uBR7200 series routers; the network processing engine is installed
above the power supplies in the Cisco uBR7200 series routers.
Note If you have difficulty installing a network processing engine or I/O controller in the lowest slot of a
Cisco 7200 VXR router that is rack-mounted, remove the port adapters, network processing engine and
I/O controller from the chassis and reinstall them. Install the network processing engine and I/O
controller in the lowest slots first, then populate the slots above them, in a bottom-to-top order.
Step 1 Power down the router and disconnect the input power cable. (Refer to the “Powering Down the Router
and Disconnecting Input Power” section on page 9-2.)
Step 2 Attach an ESD-preventive wrist strap between you and an unfinished chassis surface.
Step 3 Using a number 2 Phillips or a 3/16-inch flat-blade screwdriver, loosen the two captive installation
screws on the faceplate of the network processing engine. (See Figure 9-6.)
If the router is not installed in a standard 19-inch, 4-post or telco-type rack, skip to Step 7. If the router
is installed in a rack, determine if any permanent rack fixtures, such as a power strip, are obstructing
access to the rear of the router. If a rack fixture is obstructing access to the router, proceed with
Step 4.