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Cisco 3200 Series Router Hardware Upgrade Guide
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Chapter 3 Replacing Cards in the Cisco ISR 3270 Rugged Enclosure
Card Replacement Process
Removing the Wiring Card
To remove the wiring card, follow these steps:
Step 1 Disconnect all cables from the wiring card.
Step 2 Using a Phillips screwdriver, remove (torque 5.5 to 5.7 in-lb) the 7 or 8 wiring card screws, as shown in
Figure 3-4.
Figure 3-4 Removing the Wiring Card Screws
Step 3 In the case of a 0-WMIC configuration, remove screw #2 which is not used.
Step 4 Remove the wiring card.
Removing the Card Stack
To remove the card stack, follow these steps:
Step 1 Using a Phillips screwdriver, loosen the screws of the two alignment tabs that hold the card stack to the
extrusion.
Step 2 Remove the two alignment tabs.
Step 3 Loosen the 16 Wedge Loks (14 on the I/O end cap side and 2 on the antenna end cap side) that are holding
the card stack in place, using a 3/32-in hex blade to release the clamping mechanism, as shown in
Figure 3-10.
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1 Wiring screws
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