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Chapter 3
Overview
There are several LEDs on the control panel as well as others on the SATA drive carriers to keep
you constantly informed of the overall status of the system as well as the activity and health of
specific components. There are also two buttons on the chassis control panel and an on/off switch
on the power supply. This chapter explains the meanings of all LED indicators and the appropriate
response you may need to take.
Control Panel Buttons
There are three push-buttons located on the front of the chassis: a reset button, a UID button and a
power on/off button.
Illustration
System Interface
Name
Description
UID Button
Depressing the UID (unit identifier) button illuminates an LED on both
the front and rear of the chassis for easy system location in large stack
configurations. The LED will remain on until the button is pushed a
second time. Another UID button on the rear of the chassis serves the
same function.
System Reset
Use the reset switch to reboot the system.
Power Button
The main power switch is used to apply or remove power from the
power supply to the server system. Turning off system power with this
button removes the main power but keeps standby power supplied to the
system.
Chapter Three : System Interface
43
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