Netgear GS748Tv3 GS748Tv3 Hardware manual - Page 30

GS748T Smart Switch Hardware Installation Guide Table A-1. Troubleshooting Chart (continued) Symptom Cause Solution A segment or device is not recognized as part of the network One or more devices are not properly connected, or cabling does not meet Ethernet guidelines Verify that the cabling is correct. Be sure all connectors are securely positioned in the required ports. Equipment may have been accidentally disconnected Link/ACT LED is flashing continuously on all connected ports and the network is disabled A network loop (redundant path) has been created Break the loop by ensuring that there is only one path from any networked device to any other networked device Additional Troubleshooting Suggestions If the suggestions in Table A-1 do not resolve your problem, refer to the troubleshooting suggestions in this section. Network Adapter Cards Ensure that the network adapter cards installed in the PCs are in working condition and their most recent software drivers have been installed. Configuration If problems occur after altering the network configuration, restore the original connections and attempt to isolate the problem by implementing the most-recent changes, one step at a time. Make sure that cable distances, repeater limits, and other physical aspects of the installation do not exceed the Ethernet specification limitations. Switch Integrity If required, verify the integrity of the switch by resetting it. To do this, use the Tools> Reset command or remove AC power from the switch and then reapply it. If the problem persists, contact NETGEAR technical support. In North America, call 1-888-NETGEAR. If you are outside of North America, please refer to the support information card included with your product. A-2 Troubleshooting v1.1, September 2007