Cisco Gigabit Switch Router 12008 Installation And Configuration Manual page 286

Installing and Removing a Blank Filler Panel
Figure 7-2
Tighten
captive
installation
screws (top
and bottom)
Blank filler card
Grasp card carrier
and insert into
vacant slot
7-6
Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
Installing a Blank Filler Panel in the Upper Card Cage