C-10
SC846 Chassis Manual
Front Panel LEDs
LED State Specication
D45 ON Failure in Fan #1
D47 ON Failure in Fan #2
D49 ON Failure in Fan #3
D51 ON Failure in Fan #4
D3 ON
Alarm #1: Overheat/Drive Failure in Chan-
nel 1
D36 ON
Alarm #2: Overheat/Drive Failure in Chan-
nel 2
D89 ON
Alarm #3: Overheat/Drive Failure in Chan-
nel 3
D53 OFF
+5V : Backplane power failure. Light is on
during normal operation.
D54 OFF
+12V : Backplane power failure. Light is on
during normal operation.
Front LED Indicators
D45 D47 D49 D51 D3 D36 D89
D53 D54
Figure C-4: Front LEDs
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