Dell PowerEdge R905 - Manual (Page 19)

About Your System
19
For information about individual connectors, see "Jumpers and Connectors" on
page 173. For information about enabling, disabling, and configuring I/O ports
and connectors, see "Using the System Setup Program" on page 45.
Power Indicator Codes
The power button on the front panel controls the power input to the system's
power supplies. The power indicator can provide information on power status
(see Figure 1-1). Table 1-4 lists the power button indicator codes.
The indicators on the power supplies show whether power is present or
whether a power fault has occurred (see Figure 1-4 and Table 1-5).
Table 1-4. Power Button Indicators
Indicator Function
On Indicates that power is supplied to the system and the system is
operational.
Flickering Power is supplied to the system but the system is powering up,
or shutting down.
Off Indicates that no power is supplied to the system.
Table 1-5. Power Supply Indicators
Indicator Function
Power supply
status Green indicates that the power supply is operational and
providing DC power to the system.
Power supply
fault Amber indicates a problem with the power supply.
AC line status Green indicates that a valid AC source is connected to the
power supply and is operational.