Netgear GSM7328S-200NAS User Guide - Page 24
Appendix B: Troubleshooting
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APPENDIX B: TROUBLESHOOTING This chapter provides information about troubleshooting the NETGEAR Model GSM7328S Layer 3 Managed Stackable Fast Ethernet Switch. Topics include: Troubleshooting chart Additional troubleshooting suggestions Troubleshooting Chart Table B-1 lists symptoms, causes, and solutions of possible problems. Table B-1. Troubleshooting Chart Symptom Power LED is off. Cause No power is received Link LED is off or intermittent. Port connection is not working. Solution Check the power cord connections for the switch at the switch and the connected device. Make sure all cables used are correct and comply with Ethernet specifications. Check the crimp on the 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. See Appendix D. File transfer is slow or performance degradation is a problem. A segment or device is not recognized as part of the network. ACT LED is flashing continuously on all connected ports and the network is disabled Half- or full-duplex setting on the switch and the connected device are not the same. One or more devices are not properly connected, or cabling does not meet Ethernet guidelines. A network loop (redundant path) has been created (see Figure 2-3). Check for a defective adapter card, cable, or port by testing them in an alternate environment where all products are functioning. Make sure the attached device is set to auto negotiate. Check System message log. Verify that the cabling is correct. Be sure all connectors are securely positioned in the required ports. Equipment may have been accidentally disconnected. 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 B-1 do not resolve your problem, refer to the troubleshooting suggestions in this section. Network Adapter Cards Make sure the network adapter cards installed in the PCs are in working condition and the software driver has been installed. Page 24 of 24