Dell PowerEdge R450 Installation And Service Manual page 70

Figure 65. Removing an expansion card from Riser 2c
3. If the expansion card is not going to be replaced, install a filler bracket and close the card retention latch.
NOTE: You must install a filler bracket over an empty expansion card slot to maintain Federal Communications
Commission (FCC) certification of the system. The brackets also keep dust and dirt out of the system and aid in
proper cooling and airflow inside the system.
NOTE: The numbers on the image do not depict the exact steps. The numbers are for representation of sequence.
Figure 66. Installing filler bracket in the Riser 1
70 Installing and removing system components