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Chapter 3: System Interface
3-1
Chapter 3
System Interface
3-1 Overview
There are several LEDs on the control panel as well as others on the SAS/SATA
drive carriers to keep you constantly informed of the overall status of the system as
well as the activity and health of specic 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.
3-2 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.
UID
Depressing the UID (unit identier) button illuminates an LED on both the front and
rear of the chassis for easy system location in large stack congurations. 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.
Reset
Use the reset button to reboot the system.