Netgear JGSM7224 JGSM7224 Hardware Installation Guide - Page 15

3. Troubleshooting 3 Troubleshooting Chart The following table lists symptoms, causes, and solutions of possible problems. Table 1. Troubleshooting Chart Problem 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 that 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 that all cables used are correct and comply with Ethernet specifications. See Technical Specifications in Appendix A. Check for a defective adapter card, cable, or port by testing it in an alternate environment where all products are functioning. File transfer is slow, or Half or full duplex setting on Make sure that the attached device is set to performance degradation is a the switch and the connected auto negotiate. problem. device are not the same. Check the system message log. 15