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3-1
Overview
There are several LEDs on the control panel to keep you constantly informed of the
overall status of the system as well as the three buttons described below.
3-2
Control Panel Buttons
There are three buttons located on the front of the chassis: a reset button, a power
on/off button and a UID button.
Reset
Use the reset button to reboot the system.
Power
This is the main power button, which is used to apply or turn off the main system
power. Turning off system power with this button removes the main power but keeps
standby power supplied to the system.
UID
Depressing the UID (unit identifi er) button illuminates an LED on both the front
and rear of the chassis for easy system location in large stack confi gurations. 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. See the table in Figure 3-1 for
descriptions of UID LED states.
Chapter 3
System Interface
3-1
Chapter 3: System Interface
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