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v B: Power LED
– A constant light indicates full system power to the unit.
– A blinking light indicates standby power to the unit.
Note: There is approximately a 30-second transition period from the time the power-on button is
pressed to when the power LED goes from blinking to solid. During the transition period, the LED
might blink faster.
v C: Enclosure identify light
– A constant light indicates the identify state for the enclosure or for a resource within the
enclosure.
– No light indicates that no resources in the enclosure are being identified.
v D: Attention light
– No light indicates that the system is operating normally.
– A solid light indicates that the system requires attention.
v E: USB port
v F: Enclosure fault roll-up light
– A constant light indicates a fault indicator active in the system.
– No light indicates that the system is operating normally.
v G: Function/Data display
v H: Decrement button
v I: Enter button
v J: Increment button
v K: Pinhole reset button
4. Observe the following after pressing the power button:
v The power-on light begins to blink faster.
v The system cooling fans are activated after approximately 30 seconds and begin to accelerate to
operating speed.
v Progress indicators, also referred to as checkpoints, appear on the control panel display while the
system is being started. The power-on light on the control panel stops blinking and remains on,
indicating that system power is on.
Tip: If pressing the power button does not start the system, do the following steps to start the system
using the Advanced System Management Interface (ASMI):
1. Access the ASMI. For instructions, see Accessing the ASMI.
2. Start the system using the ASMI. For instructions, see Powering the system on and off.
Starting a system or logical partition by using the Hardware Management Console
You can use the Hardware Management Console (HMC) user interface to start the system or logical
partition after the required cables are installed and the power cables are connected to a power source.
For instructions on working with the HMC, see Managing the Hardware Management Console. For
instructions on starting a logical partition, see Logical partitioning. For instructions on starting the
system, see Powering on the managed system.
Progress indicators, also referred to as checkpoints, appear on the control panel display while the system
is being started. When the power-on light on the control panel stops blinking and remains on, the system
power is on.
Power supplies 43