Fujitsu PRIMERGY RX2540 M7 Upgrade And Maintenance Manual page 441

Figure 291: Removing the air grid (B)
▶ Remove the air grid.
CAUTION
Save the dummy cover (air grid) for future use.
▶
Always replace dummy modules into unused drive bays to
comply with applicable EMC regulations and satisfy cooling
requirements.
RX2540 M7 Upgrade and Maintenance Manual
Accessible drives
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