Chapter 3 Maintaining the Server
Status LEDs and Buttons
Status LEDs and Buttons
This section describes the location and meaning of LEDs and buttons and includes the following topics:
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•Internal Diagnostic LEDs, page
Front-Panel LEDs
Figure 3-1 shows the front-panel LEDs. Table 3-1 on page 3-3 defines the front-panel LED states.
Figure 3-1 Front-Panel LEDs
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| 1 | 2 |
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HDD 1 | DDH 2 | DDH 3 | HDD 4 | DDH 5 | HDD 6 | DDH 7 | HDD 8 | DDH 9 | HDD 10 | DDH 11 | HDD 12 | HDD 13 | DDH 14 | HDD 15 | DDH 16 |
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8
3 |
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9
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1 | Hard drive fault LED | 6 | Fan status LED |
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2 | Hard drive activity LED | 7 | Temperature status LED |
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3 | Power button and Power status LED | 8 | Power supply status LED |
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4 | Identification button and LED | 9 | Network link activity LED |
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5 | System status LED |
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Cisco UCS C420 Server Installation and Service Guide
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