Table B. Troubleshooting with
Indicator |
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Color | Meaning | Possible Cause |
| Corrective Action |
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| ) (Continued) |
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Red | Ethernet link | NOTE: In addition to a red | Do any of the following to | |
| is down. | Status LED, the Optic Fault LED is green or | restore the link: | |
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| flashing red and the left | • If a laser fault has | |
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| LED (Link/Activity) is not lit. |
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| occurred, refer to the | |
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| A | Optic Fault LED section | |
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| any of the following fault conditions: | in this table for | |
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| • Laser fault (Optic Fault LED is flashing red) | information. | |
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| • | • Check the cable and | |
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| module does not transmit data to or | external equipment that | |
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| receive data from the external equipment | connects to the | |
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| connected to it: |
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| – Disconnected or defective Category 5e | port on the module. For | |
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| additional information, | ||
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| (or higher) cable |
| refer to the |
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| – Defective | ||
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| on the module |
| Port Status LED - Left |
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| – Problem with external equipment | section in this table. | |
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| connected to the |
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| NOTE: A red |
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| provides a |
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| the remote fiber port cannot detect receipt of |
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| an optical signal (Optic Fault LED on the |
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| remote module is red). Due to |
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| detection, however, the |
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| LED lights red regardless of whether the fault |
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| is due to the failure of a |
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| link or a |
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| Optic Fault LED ( | ) |
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Green
The optical signal is being received and laser is oper- ating properly.
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No action required.
(Continued on next page)
C2653M (6/07) | 19 |