Technical data

82 Chapter 4 Subsystem Architecture and Components
4.7.5 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
4.7.5.1 Disk Drive Display (RKS)
HDD ACTIVE LED (green)
WARN LED (orange)
PWR LED (green)
RDY LED (green)
HDD ALARM LED (red)
A
LARM LED (red)
Figure 4.27 Disk Drive Display LED Locations