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Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs

Figure 5

Place the UDIMM in an antistatic bag to protect it from ESD damage.

Step 4

Installing a DRAM UDIMM

To install a DRAM UDIMM in a Cisco 1900 series router follow these steps:

Step 1

Remove the cover to gain access to the system board. If necessary see the

Chassis" section on page

Locate the DRAM UDIMM connector on the system board. See the

Step 2

page

Make sure that both latches on the UDIMM connector are in the open position.

Step 3

Orient the UDIMM so that the polarization notch lines up with the polarization key on the connector.

Step 4

(See

Insert the UDIMM carefully into the connector.

Step 5

Carefully and firmly press the DRAM UDIMM into the connector until the latches close onto the

Step 6

UDIMM. Make sure that both latches rotate to the closed position against the UDIMM. (See

Removing a DRAM UDIMM

7, for the location of the UDIMM connectors.

Figure

4.)

Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs

Modules Internal to the Cisco 1941 Router

"Opening and Closing the

"Locating Modules" section on

Figure

6.)