Cisco 1941 Installing And Upgrading - Page 5

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Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs
Modules Internal to the Cisco 1941 Router
This section tells how to install the field replaceable modules in the Cisco 1941 router. It contains the
following subsections:
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All the module replacement procedures in this section require removal of the chassis cover. Before you
perform any of the module replacement procedures, disconnect the power and remove the cover as
described in the
replacement procedures, install the chassis cover as described in the
section on page
Opening and Closing the Chassis
To open or close the chassis, follow these steps. A number one Phillips screw driver is required.
Opening the Chassis
Make sure that the router is turned off and is disconnected from AC power.
Turn the router upside down, and rest the top of the router on a flat surface.
Use the Phillips screwdriver to remove the screws that holds the top of the of the case to the chassis, as
shown in
Opening and Closing the Chassis, page 5
Installing and Removing a Power Supply, page 15
Installing a Blower, page 20
Opening and Closing the Chassis, page 5
Installing and Replacing CompactFlash Memory Cards
"Opening and Closing the Chassis" section on page
5.
Figure
1.
Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs
Modules Internal to the Cisco 1941 Router
5. After you complete the module
"Opening and Closing the Chassis"
5