Alternatively called an Ethernet port, network connection, and network port, the LAN port allows a computer to connect to a network using a wired connection. The picture is a close up of what a LAN port looks like for a network cable using a RJ-45 connector. The two led lights will blink when the port is active.

What connects to the LAN port?

A LAN port is connected to other computers, switches, and routers using an Ethernet cable.

See our port definition for a listing of ports, like port 80 for HTTP.

Ethernet, LAN, Network terms, RJ-45

  • Network and network card help and support.