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| Installation and Safety Guide |
Table 1: System LEDs (Continued) | ||
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LED | State | Description |
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PSU 2 | Green | PSU 2 is installed and supplying power to the switch. |
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| The voltage output is within specification. |
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| Red | PSU 2 is installed in the switch and has exceeded its |
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| recommended temperature threshold of 75º C |
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| (167º F), or the fan has failed. |
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| A FOM is installed in the switch and has failed. |
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| The bay is empty. |
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| Off | A FOM is installed and operating at an acceptable |
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| speed. |
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Fault | Red | The switch or management software is |
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| malfunctioning. |
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| 1 Flash | One or more heatsink fans has failed or is operating |
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| below the recommended speed. |
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| 6 Flashes | The switch’s temperature has exceeded the |
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| recommended threshold. After flashing six times, |
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| the LED stops briefly, then repeats the sequence. |
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| Slow | The SDRAM (DIMM) has not been detected. |
| flashing at |
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| startup |
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| Rapid | The SDRAM (DIMM) is not compatible with the |
| flashing at | switch. |
| startup |
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CF | Green | The CompactFlash memory card is active and |
| flashing | should not be ejected. The card can be safely ejected |
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| when the LED remains off. |
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SD | Off | Secure Digital memory card. Not supported by 3.0.1 |
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| software. |
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13
