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1.5.2 I 2 C Enclosure Monitoring:
Various sensors and components within the enclosure are linked by an I
When a JBOD is cascaded to a RAID system, connect the I
be seen by the ES U16U. The controller firmware then collects information and reports
component status through its management interfaces.
1.5.3 Power Supply Units
The ES U16U subsystems are equipped with two redundant, hot-swappable, 1U, 460W
power supply unit (PSU) modules (see Figure1-12). The PSU modules are located on the
rear panel of the subsystem and can be found on either side of the controller modules (see
Figure 1-5).
Rear Panel Components
Figure 1-10: BBU Module
If a user intends to install a BBU, a battery charger board (IFT-9070E) shown
in Figure 1-11 must initially be mounted on the controller board. The battery
charger board comes with a connector that is attached to the BBU
Figure 1-11: Battery Charger Board
Chapter 1: Introduction
2
C serial bus.
2
C link so that its status can
1-11
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