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Cisco 1750 Router Hardware Installation Guide
78-6169-02
Warning
Before opening the chassis, disconnect the telephone-network
cables (from the card) to avoid contact with the
telephone-network voltages.
Warning
Do not work on the system or connect or disconnect cables during
periods of lightning activity.
Caution Do not connect a WAN, telephone or fax cable to the card until you
have completed the installation procedure.
Follow these steps to remove and insert a card in the router:
Step 1 Make sure the router is turned off and is disconnected from the power supply.
Step 2 Loosen the thumbscrews on the WIC or VIC slot cover on the rear panel, as shown
in Figure 2.
You should be able to loosen the screws using your fingers; however, if the screws
are very tight, you might need to use a Phillips screwdriver.