Removing a power supply: 2145-92F
You can remove either of the redundant power supply units in a 2145-92F expansion enclosure.
Redundant power supplies operate in parallel; one continues to provide power to the enclosure if the
other fails.
Before you begin
Important: You can remove a PSU without powering off the expansion enclosure. However, to maintain
operating temperature, ensure that you perform the following tasks.
• Do not remove a faulty PSU until its replacement is ready to be installed.
• Do not remove a PSU from an operational enclosure for more than approximately 10 minutes. The
reduction in airflow through the enclosure might cause the enclosure or its components to shut down to
protect from overheating.
About this task
Each PSU provides cooling to the lower part of the enclosure. Ensure that the second PSU in the enclosure
is powered on and operating correctly. For example, in Figure 108 on page 101, PSU 1 is operating while
PSU 2 is being removed.
Review and follow the procedures for handling static-sensitive devices before you remove the power
supply unit (PSU).
Procedure
1. Read all safety information.
2. Remove the 1U fascia that covers the PSUs on the front of the expansion enclosure, as described in
“Removing the fascia: 2145-92F ” on page 85.
3. Press on the handle lock to release the handles on the PSU.
4. Rotate the handles outward, as shown in Figure 108 on page 101.
100 SAN Volume Controller : Model 2145-SV1 Hardware Installation Guide
Summary of Contents for SAN Volume Controller 2145-SV1
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