Table C. Troubleshooting with
Indicator Color | Meaning | Possible Cause |
| Corrective Action | ||
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| Fiber Failover Mode LED ( |
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Not lit | The module is not in | The FX Mode switch is set | If fiber redundancy is not | |||
| fiber redundancy | to position 0. |
| required, no action is | ||
| mode. |
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| required. If fiber redundancy |
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| is required, power off the |
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| module, set the FX Mode |
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| switch to position 1 or 2 as |
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| appropriate, and then power |
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| on the module. For detailed |
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| information, refer to the |
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| Setting Fiber Failover Mode |
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| section. |
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Green | The module is in | The FX Mode switch is set | If fiber redundancy is | |||
| fiber redundancy | to position 1 (port A |
| required, no action is | ||
| mode. The primary | connects to the primary | required. If fiber redundancy | |||
| fiber link is | fiber link) or to position 2 | is not required, power off the | |||
| operational. The | (port B connects to the |
| module, set the FX Mode | ||
| secondary fiber link | primary fiber link). |
| switch to position 0, and | ||
| is idle. |
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| then power on the module. |
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Amber | The module is in | A problem exists with the | Refer to the Optic Fault LED | |||
| fiber redundancy | secondary fiber link. The | section or to the | |||
| mode. The primary | Optic Fault LED or the |
| Status LED section in this | ||
| fiber link is | table as appropriate. | ||||
| operational. The | port A or port B is red. |
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| secondary fiber link |
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| is down. |
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Flashing amber | The module is in | A problem exists with the | Refer to the Optic Fault LED | |||
| fiber redundancy | primary fiber link. The Optic | section or to the | |||
| mode. The primary | Fault LED or the |
| Status LED section in this | ||
| fiber link is down. | table as appropriate. | ||||
| The secondary fiber | port A or port B is red. |
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| link is operational. |
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Red | The module is in | A problem exists with the | Refer to the Optic Fault LED | |||
| fiber redundancy | primary and backup fiber | section or to the | |||
| mode; however, both | links. The Optic Fault LEDs | Status LED section in this | |||
| primary and | or the | table as appropriate. | |||
| secondary fiber links | LEDs for ports A and B are |
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| are down. | red. |
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(Continued on next page)
C2624M (6/07) | 23 |
