Dell PowerEdge R940 EMC Installation and Service Manual - Page 82

Intrusion switch, Removing an intrusion switch

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Figure 36. Installing the fan tray Next steps 1. Route the fan power cables and the backplane cables through the cable clips on the fan tray and connect the cables to the connectors on the system board. 2. If applicable, lower the PEM by using PEM handle until the PEM clicks in place. 3. If removed, install the expansion card risers. 4. Install the fan cage. 5. Install the air shroud. 6. Follow the procedure listed in After working inside your system on page 66. Intrusion switch Removing an intrusion switch Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 65. 2. Follow the procedure listed in Before working inside your system on page 66. 3. Remove the fan cage. 4. Remove the air shroud. 5. If applicable, remove the expansion card risers. 6. Remove the PEM. 7. Press the blue release tabs on the fan tray and lower the sides of the tray. 8. Disconnect the cable connected to the intrusion switch connector (INTRUSION) on the system board. Steps 1. Press the cable management bracket down until the tabs on the bracket disengage from the slots on the side of the system. 2. Lift the cable management bracket out of the system. 82 Installing and removing system components

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Figure 36. Installing the fan tray
Next steps
1.
Route the fan power cables and the backplane cables through the cable clips on the fan tray and connect the cables to the
connectors on the system board.
2.
If applicable, lower the PEM by using PEM handle until the PEM clicks in place.
3.
If removed,
install the expansion card risers
.
4.
Install the fan cage
.
5.
Install the air shroud
.
6.
Follow the procedure listed in
After working inside your system
on page 66.
Intrusion switch
Removing an intrusion switch
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
on page 65.
2.
Follow the procedure listed in
Before working inside your system
on page 66.
3.
Remove the fan cage
.
4.
Remove the air shroud
.
5.
If applicable,
remove the expansion card risers
.
6.
Remove the PEM
.
7.
Press the blue release tabs on the fan tray and lower the sides of the tray.
8.
Disconnect the cable connected to the intrusion switch connector (INTRUSION) on the system board.
Steps
1.
Press the cable management bracket down until the tabs on the bracket disengage from the slots on the side of the system.
2.
Lift the cable management bracket out of the system.
82
Installing and removing system components