Appendix A
Troubleshooting
This chapter provides information about troubleshooting the NETGEAR GS748T Gigabit Smart Switch. Information is supplied as:
•A Troubleshooting chart
•Additional troubleshooting suggestions
Troubleshooting Chart
Table
Table A-1. Troubleshooting Chart
Symptom | Cause | Solution |
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Power LED is off | No power is received | Check the power cord connections for the switch at |
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| the switch and the connected device |
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| Make sure all cables used are correct and comply |
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| with Ethernet specifications. |
Link/ACT LED is off | Port connection is not | Check the crimp on the connectors and make sure |
| working | that the plug is properly inserted and locked into the |
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| port at both the switch and the connecting device. |
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| Make sure all cables used are correct and comply |
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| with Ethernet specifications. See Appendix D. |
|
| Check for a defective adapter card, cable, or port by |
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| testing them in an alternate environment where all |
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| products are functioning. |
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|
File transfer is slow or | Half- or | Make sure the attached device is set to auto |
performance | setting on the switch | negotiate. |
degradation is a | and the connected |
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problem | device are not the same |
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Troubleshooting |