Table 21. Display panel LEDs (continued)
Function Color Status Description
Identify Blue On Identifies 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 2077-92F expansion enclosure contains two PSUs (▌4▐ in Figure 119 on page
136) that are accessible from the front of the enclosure. Each PSU has its own a set
of LEDs, as shown in Figure 120.
▌1▐ Input power
▌2▐ DC power
▌3▐ Fault indicator
Table 22 explains the function and status that is indicated by each of the LEDs. The
power cords for each PSU are accessible from the rear of the expansion enclosure
(▌1▐), as shown in Figure 123 on page 140.
Table 22. Power supply unit LEDs
Function Color Status Description
▌1▐ Input power Green On The input voltage is within
specification.
Off No power input detected.
▌2▐ DC power Green On DC power outputs are
within specification.
Off DC power is not available.
Figure 120. LEDs on the front of a power supply unit
Chapter 2. Installing the system hardware 137
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