WARNING: Reversing polarity when connecting DC power wires can permanently damage the power supply or the
system.
2 Insert the copper ends into the mating connectors and tighten the captive screws at the top of the mating connector using a Phillips
#2 screwdriver.
WARNING: To protect the power supply from electrostatic discharge, the captive screws must be covered with the
rubber cap before inserting the mating connector into the power supply.
3
Rotate the rubber cap clockwise to x it over the captive screws.
4 Insert the mating connector into the power supply.
Power interposer board
The power interposer board (PIB) is a board that connects the hot swappable power supply units (PSUs) to the system board. The PIB is
only supported in systems with redundant PSUs.
Removing power interposer board
Prerequisites
1 Follow the safety guidelines listed in Safety instructions.
2 Follow the procedure listed in Before working inside your system.
3 Remove the air shroud.
4 Disconnect all the cables connected to the system board.
5 Remove the PSU.
CAUTION
: To prevent damage to the power interposer board, you must remove the power supply module (s) or power supply
blank from the system before removing the power interposer board or power distribution board.
Steps
1 Using Phillips #2 screwdriver, remove the screw securing the power interposer board (PIB) to the system.
2 Press the blue release latch on the PIB to release it from the hook on the PSU cage.
3 Lift the PIB away from the system.
Installing and removing system components
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