Network Switch and PoE Switch LED Indicators Explained: Meaning of Green, Orange/Amber and Blinking Lights, Link Speed, PoE Status, Faults and Troubleshooting
Networking... the LEDs. Depending on the switch model, LEDs may indicate: Physical Ethernet link status Network traffic/activity Negotiated Ethernet speed PoE power delivery PoE fault or overload Switch system status Uplink/SFP status Port ...