No "Hardware" section in Mountain Lion's Server.app?

Hi,

I'm trying to set up wpa2-enterprise authentication via Radius after loading OS X server on my iMac, as the following KB article indicates I can do:

http://support.apple.com/kb/HT5415

My problem is that there is no hardware section on the left side bar, so there is nowhere I can select my Time Capsule or Airport Express in order to configure this.

Does anyone have any thoughts as to what I might do to remedy this?

Thanks.