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HARDWARE INSTALLATION
47
Figure 2-22, ARC-1231ML/
1261ML/1280ML global LED
connection for Computer
Case.
B: Individual LED indicator connector
Connect the cables for the drive activity LEDs and fault LEDs be-
tween the backplane of the cage and the respective connector on
the SATA RAID controller. The following describes the fault/activ-
ity LED.
LED Normal Status Problem Indication
Activity LED When the activity LED is illu-
minated, there is I/O activity
on that disk drive. When the
LED is dark, there is no activ-
ity on that disk drive.
N/A
Fault LED When the fault LED is solid
illuminated, there is no disk
present.
When the fault LED is off,
that disk is present and sta-
tus is normal.
When the Red LED is slow blinking
(2 times/sec), that disk drive has
failed and should be hot-swapped
immediately. When the activity
LED is illuminated and Red LED is
fast blinking (10 times/sec) there
is rebuilding activity on that disk
drive.