Dell PowerEdge C5220 Using the Baseboard Management Controller  - Page 13

Front Panel User Interface, Power Button, LEDs

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Front Panel User Interface The BMC provides control panel interface functionality including indicators (fault, status, and ID LEDs) and buttons (power/ID). Power Button The power button turns the device on and off. The power button has a deferred mechanism. When the DC is off the power button ignores one (1) second or less activation to protect against accidental DC power on. LEDs BMC Heartbeat LED The green LED provides an easy way to indicate that BMC is now enabled. ID LED A blinking LED indicates the Chassis Identify command has been accepted. System Status LED There is a dual-color LED to show the system status. The BMC turns the LED off after all event logs are cleared. The behavior of Status LED and ID LED is listed in Table 1-2. Table 1-4. LED Status LED Color Status Occurrence Status LED Amber Blinking See "Blinking Fault LED Conditions" on page 14. Off Normal status Green Solid On Power On (S1/S0) Off Power Off (S4/S5) Note The power LED status is controlled by BIOS. 13

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Front Panel User Interface
The BMC provides control panel interface functionality including indicators
(fault, status, and ID LEDs) and buttons (power/ID).
Power Button
The power button turns the device on and off.
The power button has a deferred mechanism. When the DC is off the power button
ignores one (1) second or less activation to protect against accidental DC power on.
LEDs
BMC Heartbeat LED
The green LED provides an easy way to indicate that BMC is now enabled.
ID LED
A blinking LED indicates the Chassis Identify command has been accepted.
System Status LED
There is a dual-color LED to show the system status. The BMC turns the
LED off after all event logs are cleared.
The behavior of Status LED and ID LED is listed in Table 1-2.
Table 1-4.
LED Status
LED
Color
Status
Occurrence
Note
Status LED
Amber
Blinking
See "Blinking Fault
LED Conditions" on
page 14.
Off
Normal status
Green
Solid On
Power On (S1/S0)
The power LED status is
controlled by BIOS.
Off
Power Off (S4/S5)