Netgear FS518T FS518 Installation Guide - Page 33

Chapter 5 Troubleshooting This chapter provides information about troubleshooting the Model FS518 Fast Ethernet Switch. Table 5-1 lists symptoms, causes, and solutions of possible problems. Table 5-1. Troubleshooting Information Symptom Cause Solution Power LED is off. No power is received Check the power cord connections for the switch and the at the hub. connected device. Check for a defective adapter card, cable, or port by testing them in an alternate environment where all products are functioning. Make sure all cables used are correct and comply with Ethernet specifications. Either 10M, 100M, or Port connection is 1000M Link LED is not functioning. off or intermittent. Check the crimp on the RJ-45 connectors or fiber connectors and make sure that the plug is properly inserted and locked into the port at both the switch and the connecting device. Make sure all cables used are correct and comply with Ethernet specifications. All fiber cables must be crossover cables for proper communication between the transmit and receive signals to take place. One or more components are malfunctioning. Not all system components are properly installed. Test the components in an alternate environment where all other components are functioning properly. 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 (refer to Appendix C, "Cabling Guidelines"). Be sure all cable connectors are securely positioned in the required ports. Straight-through cables should be used for all standard twisted pair connections. Make sure all devices are connected to the network. Equipment may have been accidentally disconnected. Troubleshooting 5-1