User Manual Q&AAnswer
Oct 14, 2025 - 02:02 PM
If you notice that the Port LED is off when a device is connected to the corresponding port on your MERCUSYS MS105 switch, follow these troubleshooting steps:
1. **Check Cable Connections:** Ensure that the cable connectors are firmly plugged into both the switch port and the device you are connecting. Sometimes, loose connections can lead to the Port LED not lighting up.
2. **Verify Device Status:** Make sure that the device you are connecting to the switch is turned on and functioning correctly. If the device is powered off or experiencing issues, it may not establish a connection with the switch.
3. **Cable Length:** Confirm that the cable being used is within the recommended length. The cable should not exceed 100 meters (328 feet) in length as longer cables can lead to signal degradation and connectivity issues.
By following these steps, you can troubleshoot and potentially resolve the issue of the Port LED being off when a device is connected to the corresponding port on your MERCUSYS MS105 switch. If the problem persists after checking these factors, consider contacting MERCUSYS customer support for further assistance.
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