You can use the Oracle ILOM web interface to remotely power off the server to standby power mode.
Before You Begin
Power Modes, Shutdowns, and Resets
To log in, open a web browser and enter the IP address of the server SP. Log in as root or a user with administrator privileges. For more information, see Oracle X4 Series Servers Administration Guide .
The Summary screen appears.
Power off options are available in the Host Management > Power Control screen.
Next Steps
Oracle Integrated Lights Out Manager 3.2 Documentation Library at: http://www.oracle.com/goto/ILOM/docs