Ethernet is pronounced with a long “e” as in the wordeat.
A router may have several Ethernet ports to accommodate multiple wired devices on a connection.
The same is true for other web link hardware like hubs and modems.

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An Ethernet port accepts a cable that has anRJ-45connector.
An Ethernet port is a little wider than a phone jack.
This is what an Ethernet port looks like.

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It’s a square with a couple of rigid areas at the bottom.
Wireless routers include aWANport and typically four additional Ethernet ports for wired connections.