
Troubleshooting Using the Port Activity LEDs
If a port Activity LED does not light, use the Table
Table 4-1. Troubleshooting Using the Port Activity LEDs
LED Name | LED | Possible Cause | Corrective Action | |
State | ||||
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Activity | Off | There is no traffic | None. | |
(Ports) |
| received from the |
| |
1 - 4) |
| segment. |
| |
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| ||
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| |
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| Port is disabled. | Enable the port. | |
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| |
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| Power is off. | Check the Controller | |
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| Module Power LED. | |
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| |
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| Activity LED has burnt | Press the LED check | |
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| out. | button on the | |
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| Controller Module. | |
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| |
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| Connect the cable | ||
|
| port is faulty. | to a different port. | |
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| |
|
| Try a different | ||
|
| faulty. | ||
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| |
|
| Backplane connection | Reinsert the | |
|
| is bad. | ||
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|
| this fails, try another | |
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| concentrator slot. | |
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