Figure 81. Installing a cabled PSU
Next step
Follow the procedure listed in
After working inside your system
Power interposer board
The power interposer board (PIB) is a board that connects the redundant power supply units (PSUs) to the system board. The PIB is only
supported in systems with redundant PSUs.
Removing the power interposer board
Prerequisites
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage
due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are
shipped with your product.
1
Follow the safety guidelines listed in
2
Follow the procedure listed in
Before working inside your system
.
CAUTION:
To prevent damage to the power interposer board, you must remove the power supply units (PSUs) or PSU
blank from the system before removing the power interposer board (PIB).
3
Remove the PSUs or PSU blanks from the back of the chassis.
4
Remove the air shroud.
Steps
1
Disconnect the power cables from the drive backplane and the system board.
NOTE:
If installed, remove the expansion card to enable removing the P3 power cable from the system board.
2
Using the Phillips #2 screwdriver, remove the screw that secures PIB to the chassis.
3
Pressing the release latch on the PIB, lift the PIB to release it from the hooks on the PSU cage.
4
Lift the PIB out of the chassis.
134
Dell EMC PowerEdge T440 Installation and Service Manual
Installing and removing system components
