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Controls and Indicators
2
Table 1-1. Control Panel Switches and Indicators
Control/Indicator Description
Power On/Off/Sleep
Button
The power switch turns the HP server power On or Off. If sleep states are
available, it also transitions between Power On and sleep states.
Sleep states are NOS dependent and only available if your NOS supports power
management based on the ACPI (Advanced Configuration and Power Interface)
standard. Refer to "Applying Power to the HP Server" and "Sleep States
(ACPI)" later in this chapter.
Power LED
· Steady green indicates the server is operating normally.
· Blinking green indicates the server is in a sleep state and under ACPI
control.
· Off (unlit) indicates the server is powered off or in standby mode.
Disk Activity LED
· Blinking amber indicates SCSI disk drive activity.
· Off (unlit) indicates inactive operation.
LAN Activity LED
· Blinking green indicates LAN activity.
· Off (unlit) indicates inactive operation.
Additional Controls and Indicators
Storage devices provide additional controls and indicators as shown in Figure 1-3. See Table 1-2 for backup
tape drive LED codes.
Figure 1-3. Control Panel Indicators