Table F. Troubleshooting with
Indicator Color | Meaning | Possible Cause | Corrective Action | |
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| Data Activity LED ( | ) |
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Flashing amber | Data is being trans- | – |
| No action required. |
| mitted onto the fiber by |
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| the data port or is |
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| being received from |
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| the fiber by the data |
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| port. |
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Red | The Data Select switch | The Data Select switch is | Ensure that the Data Select | |
| is set to an invalid | set to position 6, 7, 8, | switch is set to the correct | |
| position. | or 9. |
| position (refer to the |
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| Setting the Data |
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| Communication Mode |
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| section for detailed |
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| information). |
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Not lit | Data is not being | Data is not present on | No action required. | |
| transmitted onto the | the channel. |
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| fiber by the data port or |
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| Data connection is faulty. | Check data connections. | ||
| is not being received | |||
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| Data communication | Replace cable. | ||
| from the fiber by the | |||
| cable is defective. |
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| data port. |
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| (Continued on next page) |
32 | C2649M (9/07) |
