AppleTV can connect both wirelessly and via Ethernet cable to the data port in your residence hall room.
Connecting via Ethernet
Locate the device's MAC address. Open the main menu, select Settings > About. On this screen, you should be able to see the MAC address listed as "Ethernet Address" or "Hardware Address." A MAC address looks something like this: 09:5A:43:02:6A.
Once you have located the MAC Address, register it.
Plug in your Ethernet cable to your AppleTV and to the data port located in the wall in your residence hall room. Once successfully registered and plugged in, you should be able to connect to the internet.
Connecting via WiFi
Before setting up for WiFi, connect the Apple TV via ethernet cable to the data port in your residence room to set the time and date correctly because it may cause errors if not correct.
Install the latest version of Apple Configurator on Apple TV if you have not yet done so. To do this follow the steps listed below:
Note: Your Apple TV must be connected to power before you connect the Micro-USB cable. If your Apple TV goes into recovery mode, disconnect power and the Micro-USB cable. Then reconnect the power cable, wait for the light to stop flashing, and follow the steps below.
Go to Apple Configurator & create a new profile
Under WiFi, enter the information from this page.
To be able to use MSCHAPv2 as the inner authorization, you have to choose TTLS as one of the accepted EAP types as well as PEAP. Leave network type as 'Standard'.
Go to Certificates & add the three certificates located on this page.
Note: If there are problems in downloading the .cer files, copy & paste the text to a .txt file and change the extension to .cer.
Go back to WiFi and under "Trust" you need put checks by the three certificates that were added. You should now be successfully connected to the internet.