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Power Supply Units
The DuraStor 312R storage enclosure has two independent hot-
swappable power supply units (PSU). See
has auto-sensing/load-sharing circuitry that balances the load
between the power supplies. If a PSU fails, the load is transferred
to the remaining good PSU without interruption of normal
operation.
Power Cord Connector
(with Security Bale)
Figure 2-18. DuraStor 312R Power Supply Unit
Each PSU has a power switch, a power cord connector (with a
security bale that fits over the power cord to prevent accidental
disconnections), and an independent AC power cord. (The power
switches are identified with a 1 for
If a failure occurs, the Power Supply LED on the front bezel
changes from solid green to solid amber and the audible alarm
sounds. On the failed PSU, the green Output Good LED goes out
and the amber Fault LED lights up.
See
Replacing a Power Supply Unit on page 5-11
About the DuraStor Storage Subsystem
Figure
2-18. Each PSU
Handle
Power Supply
On/Off Switch
Power Supply
Status LEDs
Retaining Latch
and a 0 for
ON
OFF
for information.
.)
2-17
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