Caged Physical Collocation - The Caged. Collocation option provides the Collocator with an individual enclosure (not including a top). This enclosure is an area designated by AT&T- 13STATE within an Eligible Structure to be used by the Collocator for the sole purpose of installing, maintaining and operating the Collocator-provided equipment for the purpose of interconnection and access to UNEs. Accordingly, AT&T-13STATE will not provide Collocator’s personnel or agents with direct access to AT&T-13STATE’s Main Distribution Frame (MDF), with the exception of the AT&T-13STATE’s Approved Vendor.