Table F. Troubleshooting with
Indicator Color | Meaning | Possible Cause | Corrective Action | |
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| Optic Fault LED ( | ) |
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Green | The optical signal is | – |
| No action required. |
| being received and |
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| laser is operating |
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| properly. |
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Red | The optical signal is | Remote fiber module is | Check power connections. | |
| not being received. | not powered on. | Replace power supply if | |
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| necessary. |
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| Fiber optic cable is not | Check fiber optic | |
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| connected. |
| connections. |
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| Fiber optic cable | Clean, polish, or replace | |
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| connectors are dirty or | fiber optic cable | |
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| are damaged. |
| connectors as necessary. |
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| Fiber optic cable is | Replace cable. | |
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| defective. |
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| A problem exists with | Verify that losses in fiber | |
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| the optical power | optic cable do not exceed | |
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| budget. |
| the optical power budget |
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| specification of the fiber |
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| optic link. If the losses do |
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| exceed the optical power |
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| budget, contact Product |
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| Support. |
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Flashing red | Laser has shut down. | Fiber module is operating | Ensure that fiber module | |
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| in extreme conditions; for | operates according to | |
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| example, operating | operating conditions stated | |
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| temperature is below or | in the Specifications | |
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| above recommended | section, and then cycle the | |
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| range as stated in the the | power. If problem persists, | |
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| Specifications section. | contact Product Support. | |
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| Laser has reached end of | Cycle the power. If problem | |
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| life. |
| persists, contact Product |
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| Support. |
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34 | C2649M (9/07) |