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Chapter 1: Introduction
1.2.5 Power Supply Units
PN: IFT-9272CPSU-0011
The SATA-based EonStor subsystems are equipped with two (2) redundant, hot-
swappable, 2U, 350W power supply unit (PSUs) modules. The PSU is permanently
mounted into a 2U high (dual-level) bracket especially designed to house both the
PSU and a cooling module mounted underneath. PSUs can be found on either side of
the controller module.
Each PSU comes with a single power socket for power cord plug-in and a single
power switch for you to turn the PSU on and off. Each PSU also comes with two
embedded cooling fans to provide sufficient airflow to keep the PSU cool. A single
LED is used to indicate the PSU status. A handle at the back of the PSU has been
especially designed to enable you to remove the PSU from the subsystem while the
system is still online. This should only be done if the PSU has failed and needs to be
replaced.
NOTE:
Hot-swapping the PSU also removes the cooling module at the lower slot.
A retention screw at the upper right corner of the PSU module is used to secure the
PSU to the enclosure. If the PSU needs to be removed, the retention screw must be
removed first. When installing a new PSU module, make sure that the retention screw
has been firmly secured.
Figure 1-17: PSU Module
For the PSU specifications, please refer to Appendix B.
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Subsystem Components