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This chapter shows you how to remove and install the following components:
•
Power supply
•
Fan assembly
The power supplies and fan assemblies are hot swappable. You do not need to power off the switch before
installing or replacing a power supply or fan assembly.
The Aruba 8325 switch and its components are sensitive to static discharge. Use an antistatic wrist
strap and observe all static precautions when replacing components.
If a power supply must be removed and then reinstalled, wait at least 5 seconds before reinstallation.
Otherwise, damage to the switch may occur. The power supply needs this time to bleed off any
retained power.
Replacing a power supply
Never insert or remove a power supply while the power is connected. Verify that the power has been
disconnected from the power supply before installation or removal.
If the Aruba 8325 switch is configured with a redundant power supply, the switch will not suffer any loss of traffic or
performance if a power supply fails. To maintain system redundancy, a failed power supply should be replaced as
soon as possible. The PS1 or PS2 LED will be on amber, indicating a power supply has failed.
Four power supplies are available for use with the switch:
•
Aruba 8325 650W 100-240VAC FB PSU (JL632A) (Front-to-Back cooling air flow)
•
Aruba 8325 650W 100-240VAC BF PSU (JL633A) (Back-to-Front cooling air flow)
•
Aruba 8325 850W 48VDC FB PSU (JL861A) (Front-to-Back cooling air flow)
•
Aruba 8325 850W 48VDC BF PSU (JL862A) (Back-to-Front cooling air flow)
Cooling air flow (Front-to-Back or Back-to-Front) must be the same for both the power supply and the
fans installed in the switch.
To remove a power supply:
1. Remove the power cable from the failed power supply's connector.
2. Grasping the handle of the failed power supply, release the locking mechanism by squeezing the latch handle
while removing the failed power supply.
Chapter 5 Replacing components
Chapter 5
Replacing components
49
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Troubleshooting
