HP 20 MODULAR SMART ARRAY User Manual page 13

Identifying the Enclosure Components
Figure 2-2: Enclosure, rear view
Item Description
1 Arrow buttons (for future use)
2 Enclosure ID display—In dicates the box ID number
assigned to the enclosure during drive configuration
3 Unit identification button— Causes the blue LED on all
drives in the enclosure to be illuminated
4 Enclosure Monitor status LED— Glows green to
indicate that the enclosure monitor (Global Service
Indicator, or GSI) is functional
5 Enclosure fault LED—Glows amber when any other
LED in the enclosure is amber, if the GSI is functional
6 Enclosure power button
7 Power supply units
8 Fan assemblies
9 Controller module
WARNING: Do not use the handles on the power supply units to lift or hold the
enclosure. These handles are designed only for holding the power supply
units or removing them from the enclosure, not for supporting the weight of
the enclosure.
2-2 HP StorageWorks Modular Smart Array 20 User Guide