Cisco 1841 - 3G Bundle Router Hardware Installation Manual page 80

Installing WICs, VWICs, and HWICs
To install a card in a Cisco 1841 router, follow these steps:
Make sure that the router is turned off and is disconnected from power.
Step 1
Power must be removed from the system prior to installing or removing interface cards to avoid
Caution
damaging them. When interface cards are pushed into or pulled out of a router that is powered up, there
is a strong possibility that they could be damaged electrically and would no longer function.
Step 2 Loosen the thumbscrews on the interface card blank faceplate on the back panel, as shown in
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.
Figure 9-1
1 Blank faceplate
Step 3 Remove the blank faceplate that covers the card slot.
Hold the interface card by the edges on either side of the card front panel, and line up the card edges
Step 4
with the guides inside the card slot, as shown in
Figure 9-2
SEE MA
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2
1
Card guides
Cisco 1800 Series Routers (Modular) Hardware Installation Guide
9-2
Removing an Interface Card Blank Faceplate
1
Inserting an Interface Card into the Router
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Chapter 9 Installing Interface Cards in Cisco 1800 Series Routers (Modular)
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Figure 9-2.
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Interface card
Figure 9-1.
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