3. At the command line, enter one of the following commands:
v If your system is running the AIX operating system, type shutdown.
v If your system is running the IBM i operating system, type PWRDWNSYS *IMMED.
v If your system is running the Linux operating system, type shutdown -h.
The command stops the operating system. The system power turns off.
4. Remove the power cords. For instructions, see “Removing the power cords.”
Removing the power cords
Important: The system might be equipped with a second
power supply. Before continuing with this procedure,
ensure that all power sources to the system have been
completely disconnected.
(L003)
or
To remove the power cords, complete the following steps:
1. Unplug any power cables that are attached to the unit
from electrical outlets.
2. Remove all power cords from all of the processor
enclosures. Start with the primary processor enclosure
(topmost) and then proceed with each secondary
enclosure, working from top to bottom.
Primary consoles or alternative consoles
The primary console is the first workstation that the system identifies. It is attached to the first
input/output adapter (IOA) or input-output processor (IOP) that supports workstations. The alternative
console is the workstation that functions as the console when the primary console is not operational.
Common service procedures 5
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