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

Figure 9

ISM

Remove the four screws from the system board and keep them. The screws will be used to install the ISM

Step 2

on the standoffs in

Step 3

Locate the four machine-thread standoffs from the accessory kit. (See

Figure 10

Install the four machine-thread metal standoffs into the system board in place of the four screws removed

Step 4

Step

to 6 to 8 in-lb (0.68 to 0.90 N-m).

Caution

Make sure that the standoffs are straight when installed. Tighten them gently but firmly. Torque them to

6 to 8 in-lb (0.68 to 0.90 N-m). The shoulder must be seated tightly against the system board.

Insert the connector on the ISM into the ISM connector on the system board. (See

Step 5

Note

Step 6

Insert the screws through the ISM into the metal standoffs. (See

with a Phillips screwdriver. Torque the screws to 6 to 8 in-lb (0.68 to 0.90 N-m).

Connecting the ISM to the Cisco 1900 Series System Board

Step

Metal Standoffs

2, as shown in

Figure

9. Use a 1/4-inch nut driver to tighten the standoffs. Torque the standoffs

Be sure to press firmly on the ISM until the board seats onto the connector. (See

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

Modules Internal to the Cisco 1941 Router

Standoffs (4)

Figure

10.)

Figure

9.)

Figure

9.)

9.) Carefully tighten the screws