Comcast 2011 Annual Report Download - page 39

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Item 1B: Unresolved Staff Comments
None.
Item 2: Properties
We believe that substantially all of our physical assets were in good operating condition as of December 31,
2011. Our corporate headquarters and Cable Communications segment headquarters are located in Phila-
delphia, PA at One Comcast Center, a leased facility. We also lease locations for numerous business offices,
warehouses and properties housing divisional information technology operations throughout the country.
Cable Communications
Our principal physical assets consist of operating plant and equipment, including signal receiving, encoding
and decoding devices, headends and distribution networks, and equipment at or near our customers’ homes.
The signal receiving apparatus typically includes a tower, antenna, ancillary electronic equipment and earth
stations for reception of satellite signals. Headends consist of electronic equipment necessary for the
reception, amplification and modulation of signals and are located near the receiving devices. Our distribution
network consists primarily of coaxial and fiber-optic cables, lasers, routers, switches and related electronic
equipment. Our cable plant and related equipment generally are connected to utility poles under pole rental
agreements with local public utilities, although in some areas the distribution cable is buried in underground
ducts or trenches. Customer premises equipment (“CPE”) consists primarily of set-top boxes and cable
modems. The physical components of cable systems require periodic maintenance and replacement.
Our signal reception sites, which consist primarily of antenna towers and headends, and our microwave facili-
ties are located on owned and leased parcels of land, and we own or lease space on the towers on which
certain of our equipment is located. We own most of our service vehicles.
Our high-speed Internet network consists of fiber-optic cables owned or leased by us and related equipment.
We also operate regional data centers with equipment that is used to provide services (such as e-mail, news
and web services) to our high-speed Internet customers and voice service customers. In addition, we main-
tain two network operations centers with equipment necessary to monitor and manage the status of our high-
speed Internet network.
We own or lease buildings throughout the country that contain call centers, service centers, warehouses and
administrative space. We also own a building that houses our digital media center. The digital media center
contains equipment that we own or lease, including equipment related to network origination, video trans-
mission via satellite and terrestrial fiber optics, broadcast studios, post-production services and interactive
television services.
37 Comcast 2011 Annual Report on Form 10-K