go into your system settings. Find the MAC address. Email it to your computer people and tell them you want your xbox registered so it will work on the network.
http://rescomp.housing.umich.edu/tech.help/tech.help/images/Netguide04.pdf
Thats the University of Michigans network guide and it tells how to set up a console on our network. If you scroll down towards the bottom you'll find the Console Setup section. I assume Penn State will be similar.