Installation Rev 1.6
Mellanox Technologies
35
To extract a power supply unit:
Step 1. Remove the power cord from the power supply unit.
Step 2. Grasping the handle with your hand, push the latch release with your thumb while pulling the
handle outward. As the power supply unit unseats, the power supply unit status LEDs will turn
off.
Step 3. Remove the power supply unit.
Figure 29: PS Unit Pulled Out
To insert a power supply unit:
Step 1. Make sure the mating connector of the new unit is free of any dirt and/or obstacles.
Step 2. Insert the power supply unit by sliding it into the opening, until a slight resistance is felt.
Step 3. Continue pressing the power supply unit until it seats completely. The latch will snap into
place, confirming the proper installation.
Step 4. Insert the power cord into the supply connector.
Power supply units have directional air flows similar to the fan module. The fan mod-
ule airflow must coincide with the airflow of all of the power supply units. If the power
supply unit airflow direction is different from the fan module airflow direction, the
system
’s internal temperature will be affected.
For power supply unit air flow direction, refer to Section 2.3 on page 11.
Do not attempt to insert a power supply unit with a power cord connected to it.
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