![](/images/new-backgrounds/1263489/26348927x1.webp)
Table
Item | Indicator, Button, or | Icon | Description |
| Connector |
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1 |
| The | |
| power button |
| system power is on. |
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| The power button controls the DC power |
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| supply output to the system. |
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| NOTE: If you turn off the system using the |
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| power button and the system is running an |
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| system performs a graceful shutdown |
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| before the power is turned off. If the |
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| system is not running an |
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| operating system, the power is turned off |
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| immediately after the power button is |
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| pressed. |
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2 | NMI button |
| Used to troubleshoot software and device |
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| driver errors when using certain operating |
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| systems. This button can be pressed |
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| using the end of a paper clip. |
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| Use this button only if directed to do so |
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| by qualified support personnel or by the |
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| operating system's documentation. |
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3 | System identification |
| The identification buttons on the front |
| button |
| and back panels can be used to locate a |
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|
| particular system within a rack. When |
one of these buttons is pushed, the LCD panel on the front and the blue system status indicator on the back blink until one of the buttons is pushed again.
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