Standby power LED (green)
Future use only.
DC Out LED (green)
When this green LED is lit, it indicates that the DS3500 is turned on and is
supplying both 5-volt and 12-volt dc power.
OK to remove LED (blue)
When this blue LED is lit, it indicates that it is safe to remove the power
supply.
Fault LED (amber)
When this amber LED is lit, it indicates that a power supply or fan has
failed or that a redundant power supply is not turned on.
DC In LED (green)
When this green LED is lit, it indicates that the storage subsystem is
receiving dc power.
Front LEDs
This section describes the primary LEDs and controls on the front of the storage
subsystem.
The front LEDs and controls on the DS3512 storage subsystem and EXP3512
storage enclosure are shown in Figure 79. The front LEDs and controls on the front
of the DS3524 storage subsystem and EXP3524 storage enclosure are shown in
Figure 80 on page 90.
Fault LED (amber)
DC power in LED (green)
OK to remove LED (blue)
DC power out LED (green)
Standby power LED (green)
Figure 78. DC power-supply LEDs
Hard disk drive activity LED
Power-on LED
System locator LED
System error LED
Overtemperature LED
Standby power LED
Hard disk drive status LED
Figure 79. DS3512 storage subsystem and EXP3512 storage enclosure front LEDs and controls
Chapter 4. Operating the storage subsystem and storage enclosure 89
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