Table C. 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 module is not | Check power connections. | |||
| not being received. | powered on. |
| Replace power supply if | ||
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| necessary. |
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| Fiber optic cable is not | Check fiber optic connec- | |||
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| connected. |
| tions. | ||
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| Fiber optic cable connectors | Clean, polish, or replace fiber | |||
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| are dirty or are damaged. | optic cable connectors as | |||
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| necessary. |
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| Fiber optic cable is |
| Replace cable. | ||
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| defective. |
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| Optical dB losses in the | Check for problems with the | |||
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| fiber optic installation | fiber optic installation, for | |||
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| exceed the optical power | example, excessive dB | |||
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| budget specification stated | losses in connectors, splices, | |||
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| in Specifications on |
| patch panels, cables, | ||
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| page 35. |
| and so on. | ||
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| Optical dB losses in the | Contact Product Support at | |||
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| fiber optic installation meet | ||||
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| the optical power budget |
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| specification stated in |
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| Specifications on page 35; |
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| however, a module is |
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| defective. |
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Flashing red | Laser has shut down. | Module is operating in | Ensure that module operates | |||
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| extreme environmental | according to operating | |||
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| conditions; for example, | conditions stated in | |||
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| operating temperature is | Specifications on page 35, | |||
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| below or above |
| and then cycle the power. | ||
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| recommended range as | If problem persists, contact | |||
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| stated in the Specifications | Product Support at | |||
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| on page 35. |
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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 at |
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C2607M (2/07) | 29 |