4.6.5
LED Locations and Functions
This section illustrates and describes the locations and functions of LEDs in the following
hardware components:
Disk Drive Display
Battery Backup Unit
ENC Unit
SENC Unit
Power Unit
Fan Assembly
Control Unit
RKNAS
4.6.5.1
Disk Drive Display
HDD ACTIVE LED (green)
HDD ALARM LED (red)
Figure 4.21
Disk Drive Display LED Locations
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Chapter 4 Subsystem Architecture and Components
WARN LED (orange)
ALARM LED (red)
RDY LED (green)
PWR LED (green)