TP-Link TL-SF1048 Switch User Manual


 
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Appendix B: Troubleshooting
1. The Power LED is not lit
¾ Make sure the AC power cord connected the Switch with power source
properly.
¾ Make sure the power source is ON.
2. The Link/Act LED is not lit when a device is connected to the
corresponding port
¾ Make sure that the cable connectors are firmly plugged into the Switch and
the device.
¾ Make sure the connected device is turned on and working well.
¾ The cable must be less than 100 meters long (328 feet).