Dell PowerEdge C6400 EMC Installation and Service Manual - Page 56

Power interposer board, Removing the power interposer board

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Figure 40. Installing the cooling fan cage Next steps 1. Install the cooling fans. 2. Follow the procedure listed in After working inside your enclosure. 3. Check the management software to see if all the fans are rotating at the optimal speed. Power interposer board Removing the power interposer board Prerequisites WARNING: Allow the power interposer board (PIB) to discharge after you power off the system. Handle the PIB by the edges and avoid touching the contact surfaces of the connectors. 1. Follow the safety guidelines listed in Safety instructions. 2. Follow the procedure listed in Before working inside your enclosure. 3. Remove the power supply units. 4. Disconnect all the cables from the PIB except for the mid-plane power cables. Steps 1. To release the PIB from the lock on the chassis, pull the blue release latch. 2. Holding the release latch, lift the PIB up and away from the guide hooks on the chassis. 3. Using the Phillips #2 screwdriver, remove the screws that secure the mid-plane power cables to the PIB. 56 Installing and removing enclosure components

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Figure 40. Installing the cooling fan cage
Next steps
1.
Install the cooling fans
.
2.
Follow the procedure listed in
After working inside your enclosure
.
3.
Check the management software to see if all the fans are rotating at the optimal speed.
Power interposer board
Removing the power interposer board
Prerequisites
WARNING:
Allow the power interposer board (PIB) to discharge after you power off the system. Handle the PIB by the
edges and avoid touching the contact surfaces of the connectors.
1.
Follow the safety guidelines listed in
Safety instructions
.
2.
Follow the procedure listed in
Before working inside your enclosure
.
3.
Remove the power supply units
.
4.
Disconnect all the cables from the PIB except for the mid-plane power cables.
Steps
1.
To release the PIB from the lock on the chassis, pull the blue release latch.
2.
Holding the release latch, lift the PIB up and away from the guide hooks on the chassis.
3.
Using the Phillips #2 screwdriver, remove the screws that secure the mid-plane power cables to the PIB.
56
Installing and removing enclosure components