Cisco 2811 - Voice Security Bundle Router Hardware Manual page 126

Installing Blank Panels over Empty Chassis Slots
Figure 6
Installing Blank Panels over Empty Chassis Slots
All empty chassis slots for WAN interface cards and voice interface cards must be covered with blank
panels. Blank panels are required to ensure proper cooling airflow and to prevent electromagnetic
interference.
Figure 7
Installing Interface Cards in Cisco 2800 Series Routers
6
Squeeze the Slot Divider to Release
Figure 7 shows a typical blank panel.
Typical Blank Panel
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