Cisco 1605-R How To Use Manual page 46

Installing a WAN Interface Card in a Cisco 1720 Router or Cisco 1600 Series Router
Figure 2-7 Removing the Slot Cover
Step 4
2-12 Cisco WAN Interface Cards Hardware Installation Guide
WAN interface card slot cover
Align the card with the guides and slide it gently into the WAN interface card
slot. (See Figure 2-8.)
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