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Rev 1.1
To extract a PS unit:
1. Remove the power cord from the power supply unit.
2. Grasping the handle with your right hand, push the latch release with your thumb while pull-
ing the handle outward. As the PS unit unseats, the PS unit status indicators will turn off.
3. Remove the PS unit.
To insert a PS unit:
1. Make sure the mating connector of the new unit is free of any dirt and/or obstacles.
Do not attempt to insert a PS unit with a power cord connected to it.
2. Insert the PS unit by sliding it into the opening until a slight resistance is felt.
3. Continue pressing the PS unit until it seats completely. The latch will snap into place confirm-
ing the proper installation.
4. Insert the power cord into the supply connector.
5. Insert the other end of the power cord into an outlet of the correct voltage.
The green PS unit indicator should light. If not, repeat the whole procedure to extract
the PS unit and re-insert it.
4.2
Extracting and Inserting the Fan Unit
This switch can operate indefinitely with less than a full compliment of fans in the fan module
inoperable so long as the ambient temperature is below 45° Celsius.
Operation without a fan unit should not exceed two minutes.
During fan hot-swap, if the LED indicator is OFF then the fan unit is disconnected.
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Mellanox Technologies
Figure 28: PS Unit Pulled Out
Extracting and Inserting FRUs
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