User Manual

Storage System Hardware Components
109Enterprise Virtual Array 3000 User Guide
Figure 48: Location of LED status displays—enclosure rear
Status Monitoring and Display
The major status monitoring capabilities of these enclosures include:
■ Displaying the enclosure status on the enclosure icons
■ Displaying the blower, power supply, EMU, drive, and I/O module status on
the element LEDs
■ Detecting the installation of blowers, power supplies, drives, or I/O modules
■ Detecting the removal of blowers, power supplies, drives, or I/O modules
■ Sensing enclosure internal temperatures
■ Sensing power supply voltage, current, and total power
Table 21: LED Status Displays
EMU LEDs and Icons
The enclosure power (both the +5 VDC and +12 VDC) is
present and correct.
There are NO enclosure faults.
I/O Module A and I/O Module B LEDs
For information about I/O Module LED status displays, see “I/O Module Status
Displays” on page 78.
Power Supply and Blower LEDs
Both the power supply and the blower are operational.
CXO7959A