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What Do The Lights On An Ethernet Port Mean?

If you've ever glanced at the back of your router, you might have noticed tiny LED lights next to the Ethernet port. Your Ethernet port is a physical interface found on routers and some other devices ...
CNET

LED lights could become network devices, too

Fraunhofer Institute has demonstrated how conventional LED lighting could be used to send and receive data to laptops or smartphones, with speeds up to 3Gbps. Stephen Shankland worked at CNET from ...