User's Guide

2-18 General Description
POWER Switch
Use the POWER switch to turn on/off the server.
Power On
Press the POWER switch on the front of the computer chassis.
The POWER/SLEEP lamp lights in green.
IMPORTANT:
 If the power cord is connected to a power control device such as a
UPS (Uninterruptible Power Supply), make sure that the power
control device is powered.
 If the power cord is connected to the server, an initial diagnosis of
the hardware starts. The POWER switch does not work while in
diagnosis. Wait for about 10 seconds, then press the POWER
switch.
 Always allow POST to complete before powering down your
system (see the next subsection for POST).
POWER/SLEEP lamp