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| Chapter 5 | |
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| Troubleshooting | |
| Use the LEDs to identify possible problems and then take corrective action. | ||
| PROBLEM | POSSIBLE CAUSES AND REMEDIES |
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| The PWR LED | Make sure you are using the supplied power adaptor and that it is | |
| is off | plugged in to an appropriate power source. Check that the power |
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| source is turned on. |
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| If the problem persists, you may have a hardware problem. In this |
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| case, you should contact your local vendor. |
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| The 100M LED | Check if the media converter has a connection with a 10Mbps |
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| is off | Ethernet device. |
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| Check the Ethernet cable connection between the media converter |
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| and the Ethernet device. The distance between them should not be |
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| more than 100 meters |
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| Check for faulty Ethernet cables. If the connected Ethernet device |
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| does not support |
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| force a 100 Mbps |
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| If Link Fault Signaling is enabled (DIP switch 5 is on), then check if |
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| the fiber link is down (thereby forcing the Ethernet link down). |
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| The LNK/ACT | Check the Ethernet cable connection between the media converter |
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| (Ethernet) LED is | and the Ethernet device. The distance between them should not be |
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| off | more than 100 meters |
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| Check for faulty Ethernet cables. |
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| Check that the Ethernet device supports |
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| duplex and 100MBps speed. |
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| If Link Fault Signaling is enabled (DIP switch 5 is on), then check if |
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| the fiber link is down (thereby forcing the Ethernet link down). |
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| The FDX/COL | The |
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| (Ethernet) LED is | is down. See above for possible causes and remedies. |
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| off |
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13
