![](/images/backgrounds/286494/hp-hsr6800-router-series-installation-manual-155491115x1.png)
Appendix B LEDs
HP HSR6800 routers provide LEDs for FRUs to indicate their operating status.MPU and switching fabric module LEDs
Figure 100LED |
| Status | Description |
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| Off | No CF card is present or the CF card is not recognizable. |
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| Steady on | A CF card is in position and has been detected. |
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| CF |
| The system is accessing the CF card. |
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(green) |
| Flashing | CAUTION: |
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| In this state, do not insert or remove the CF card. Otherwise, the |
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| file system on the CF card will be damaged. |
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| Off | No link is present on the port. |
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| LINK | Steady green | A 1000 Mbps link is present. |
(green/orange) |
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| Steady orange | A 10/100 Mbps link is present. | |
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| Off | No data is being received or transmitted. |
| ACT |
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| Flashing | Data is being received or transmitted at a rate of | |
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(yellow) |
| 10/100/1000 Mbps. | |
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| Off | The system is operating correctly and there is no alarm. |
| ALM |
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| Steady on | A fault has occurred to the system. In this state, check the | |
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(red) |
| system log immediately. | |
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| PAL | Off | The system power supply is operating correctly. |
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| The available power is not efficient, or power modules of | |
(red) | M | Steady on | |
| different specifications are inserted. | ||
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