TP-Link TL-SG2424 manual Appendix a Troubleshooting, Qqqq Why does the Power LED work abnormally?

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Gigabit Smart Switch

Appendix A Troubleshooting

QQQQWhat could I do if I forgot the username and password of the Switch?

111Power off and restart the Switch. When you are prompted that “Press CTRL-B to enter the bootUtil” in the hyper terminal, please press CTRL-B key to enter into bootUtil menu shown as the following figure.

222 Press the Reset buttom for at least 5 seconds to reset the system. The system will be reset to the factory default settings, and the default login user name and password are both admin.

QQQQWhy does the Power LED work abnormally?

The Power LED should be lit up when the power system works normally. If the Power LED worked abnormally, please take the following steps:

111Make sure that the power cable is connected properly, and the power contact is normal.

222Make sure the voltage of the power supply meets the requirement of the input voltage of the Switch.

QQQQWhat could I do if I could not access the web-based configuration page?

You are recommended to check the following items:

111Check every port LED on the Switch and make sure the cable is installed properly.

222Try another port on the Switch and make sure the cable meets the requirement and works normally.

333Turn off the power. After a while, turn on the power again.

444 Make sure the IP address of your PC is set within the subnet of the Switch.

555If you still cannot access the configuration page, please restore the Switch to its factory defaults. Then the IP address should be set as 192.168.0.x ("x" is any number from 2 to 254\ and Subnet Mask as 255.255.255.0.

20 Troubleshooting

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Contents Installation Guide Copyright & Trademarks FCC Statement CE Mark WarningRelated Document About this Installation Guide AudienceConventions Contents Cccccccccc Introduction Product OverviewAppearance Front PanelReset Rear PanelGrounding Terminal CCCCCCCCCCInstallation Package ContentsSafety Precautions Temperature/Humidity Site RequirementsInstallation Tools Lightning ProtectionProduct Installation Desktop InstallationRack Installation Fffffffffff Rack Installation Cccccccccc Lightning Protection Cabling ReasonablyRequirements for Cabling Outdoors Requirements for Cabling Indoors Connecting to the Grounding Bar Connect to GroundConnecting to the Ground via the Power Supply Equipotential BondingUse Lightning Arrester Fffffffffff Lighting Arrester Connection CCCCCCCCCCConnection Ethernet PortSFP Port Verify Installation Power OnInitialization CCCCCCCCCCCConfiguration Configure the Switch via GUIConfigure the Switch Using CLI Gigabit Smart Switch Appendix a Troubleshooting Qqqq Why does the Power LED work abnormally?Appendix B Hardware Specifications Appendix C Technical Support Service time Monday to Friday 900 AM to 600 PM Mail support@tp-link.com 7106503902 Rev
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