HP Surestore Disk Array 12h and FC60 - Manual (Page 37)

Array Controller Enclosure Components 37
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Figure 10 Controller Enclosure Rear View
Front Cover
The controller enclosure has a removable front cover which contains slots for viewing the
main operating LEDs. The cover also contains grills that aid air circulation. The controller
modules, controller fan, and battery backup unit are located behind this cover. This cover
must be removed to gain access to these modules, and also, to observe the controller status
and BBU LEDs.