Installing A Cooling Fan; Intrusion Switch - Dell PowerEdge R740xd Installation And Service Manual

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Installing a cooling fan

The procedure for installing standard and high performance fans is identical.
Prerequisites
WARNING:
Opening or removing the system cover when the system is on may expose you to a risk of electric shock. Exercise
utmost care while removing or installing cooling fans.
CAUTION:
The cooling fans are hot swappable. To maintain proper cooling while the system is on, replace only one fan at a time.
Follow the safety guidelines listed in
Steps
1
Holding the release tab, align the connector at the base of the cooling fan with the connector on the system board.
Figure 30. Installing cooling fan
2
Slide the cooling fan into the cooling fan assembly until the release tab locks into place.
Next step
Install the air shroud.
Related link
Installing the air shroud

Intrusion switch

The chassis intrusion detection switch detects any intrusion into the system and creates a log entry in the system event log (SEL). This
switch is activated when the cover of your system is removed.
80
Installing and removing system components
Safety
instructions.

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