LEDs on the front of the expansion enclosure
As Figure 61 on page 60 shows, the front of the 5U expansion enclosure contains LEDs for the display
panel ( 1 ) and for each of the power supply units ( 3 ).
Figure 61. LEDs on the front of the expansion enclosure
1 Display panel LEDs
2 Rack retention thumb screws
3 Power supply unit LEDs
4 Power supply units (PSUs)
5 PSU fascia (1U)
6 Front fascia (4U)
The display panel ( 1 ) contains three LEDs that describe the operational status of the expansion
enclosure. Table 29 on page 60 describes the function and meaning of the LEDs on the front display
panel.
Table 29. Display panel LEDs
Function Color Status Description
Power Green On The expansion enclosure power is on; this LED is
controlled by the expansion enclosure.
Off The expansion enclosure power is off.
Identify Blue On Identies the expansion enclosure; this LED is
controlled by the system. Use the management GUI or
service interface to identify an enclosure.
Off The expansion enclosure is operating normally.
Enclosure fault Amber On The expansion enclosure is coming up or a fault is
detected against a component within the enclosure.
Off No faults are detected.
The 5U expansion enclosure contains two PSUs ( 4 in Figure 61 on page 60) that are accessible from the
front of the enclosure. Each PSU has its own a set of LEDs, as shown in Figure 62 on page 60.
Figure 62. LEDs on the front of a power supply unit
1 Input power
2 DC power
3 Fault indicator
60
IBM Storwize V5000E : Storwize V5000E Quick Installation Guide
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