Controller Hard drive type Function Activity LED Status LED
Green Green Amber
Drive identify/
prepare for
removal
Blinking when
active
On 250 ms
Off 250 ms
Off
Drive Failed Off Off
On 150 ms
Off 150 ms
Drive Rebuild Blinking when
active
On 400 ms
Off 100 ms
Off
Predicted
Failure (SMART)
Blinking when
active
On 500 ms
Off 500 ms
Off 1000 ms
Off 500 ms
On 500 ms
Off 1000 ms
Rebuild Abort Off
On 3000 ms
Off 9000 ms
Off 6000 ms
On 3000 ms
Off 000 ms
Back panel features and indicators
Figure 6. Back panel with four system boards
Table 3. Back panel features and indicators
Item Indicator, button, or
connector
Icon Description
1 PSU 2 Up to 1400 W AC, 1600 W AC,
or 1400 HVDC PSUs.
2 PSU 1 Up to 1400 W AC, 1600 W AC,
or 1400 HVDC PSUs.
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