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Troubleshooting
Monitoring LEDs
The following table describes how to troubleshoot problems with your net-
work and/or the hub by monitoring the hub’s LEDs.
Problem | Action |
|
|
Power LED is off | ✔ Make sure the power adapter is connected |
| to the power outlet and is properly inserted |
| into the power connector on the hub. |
| ✔ Determine if the outlet is functional by |
| plugging another device into the recepta- |
| cle. |
|
|
Partition LED is | ✔ Make sure the workstation cables do not |
blinking con- | exceed the maximum length of 100 meters. |
stantly | ✔ Make sure the workstation cables meet |
| |
| EIA/TIA 568B specifications for Category 5 |
| wiring. |
| ✔ Make sure the total network diameter does |
| not exceed the maximum 205 meters. |
| ✔ Make sure there are no faulty Fast Ethernet |
| adapters or other equipment on the net- |
| work. |
| ✔ Note: Collisions are normal in Fast Ether- |
| net networks; however, excessive colli- |
| sions may indicate that your network is |
| overly congested. |
|
|
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