▶ Inform the system administrator that the server will be shut down and put
offline.
▶ Terminate all applications.
▶ Perform the required procedures described in the preliminary steps of each
upgrade or maintenance task.
▶ Shut down the server.
If the system is running an ACPI-compliant operating system (OS),
pressing the On/Off button will perform a graceful shutdown.
4.4
Disconnecting the power cord
4.4.1
Disconnecting the power cord (AC PSU)
Figure 4: Unlocking the cable clamp of a PSU
▶ Press the cable clamp down until it disengages (1).
▶ Open the cable clamp (2).
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Upgrade and Maintenance Manual
Basic hardware procedures
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