Sun Microsystems Sun Fire V490 Administration Manual page 240

a. Turn the Sun Fire V490 server's power off (or on).
Click the Power button on the front panel representation. A dialog box appears
asking you to confirm the action. Proceeding will actually turn system power off
(or on).
b. Examine status tables for the Sun Fire V490 server's disks and fans.
Click the appropriate LEDs. A table appears giving you the status of the
components in question.
c. Turn the Sun Fire V490 server's Locator LED on and off.
Click the representation of the Locator LED (refer to the illustration under
Its state will toggle from off to on and back again each time you click, mimicking
the condition of the physical Locator LED on the machine's front panel.
7. Check system temperatures and other environmental data.
To do this:
194 Sun Fire V490 Server Administration Guide • October 2005
Power button
Fan tray LEDs
Fan tray status table
Step 5).