Netgear FS726AT FS750 Reference Manual - Page 33
Symptom, Cause, Solution
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Symptom Cause Solution Link LED is off for a port There is a problem with this that has a connection. connection. Make sure the cable is attached securely at both ends. Make sure the cable is not damaged. Check that the device being connected to is powered on and operating correctly. If the connection is to a workstation, make sure the workstation's network interface is installed and configured correctly. File transfer is slow or performance degradation is a problem. Half- or full-duplex setting on the switch and the connected device are not the same. Make sure the attached device is set to auto negotiate. 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. ACT LED is blinking yellow excessively. Collisions are occurring on the connected segment. Some collisions are normal when the connection is operating in half-duplex mode. Duplex modes are mismatched. Recheck the settings of the device attached to the RJ-45 port. Make sure the attached device is set to auto negotiate. ACT LED is flashing continuously on all connected ports and the network is disabled A network loop (redundant path) has been created (see Figures 2-3 and 2.4). Break the loop by ensuring that there is only one path from any networked device to any other networked device. troubleshooting 5-2