42
Rev. 8.0
A26361-K863-Z102-8-7619
Operating and Indicator Elements
Preparation for Use and Operation
5.1
System Operating and Indicator Elements
5.1.1
The Front Side
Figure 15: System operating and indicator elements on the front side
1
System power ON/OFF button
When the system is switched OFF, pressing the power button for 2
seconds will switch ON the system.
When the system is operating and the button is kept pressed for 4
seconds, the system will be gracefully shut down.
When the system is switched ON, pressing the power button for 10
seconds will switch OFF the system.
2
Power indicator (green LED)
dark:
System is switched OFF (no 5 V stand-by power present).
lights green:
System is switched ON (5 V stand-by power present).
3
Front identify button (with integrated front identify/fault indicator)
Pressing this button lights up the integrated front identify indicator. The
front and rear identify indicators will be synchronized.
Front identify/Fault indicator (amber LED)
dark:
The system is normal and not highlighted.
lights amber:
This system has been selected by pressing the front or
rear identify button.
To deactivate press again one of the buttons.
The LED can also be selected via CLI.
blinks amber: SUM error: A malfunction has occurred in the system.
