Ethernet ports not available

Is there a way to check the availability of the ethernet ports through the aiport utility app? All my wireless devices are working and having internet connectivity, but the only wired device that is connected to an ethernet port an the airport extreme in not connected to the internet. Any suggestions?

We're going to need a bit more info in order to help.
Please open AirPort Utility and click Manual Setup
Click the Wireless tab located below the row of icons
What is the setting that you see for Wireless Mode?

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