plant
All the facilities and equipment used to provide telecommunications services.
Note: Plant is usually characterized as outside plant or inside plant. Outside plant, for example, includes all poles, repeaters and unoccupied buildings housing them, ducts, and cables–including the “inside” portion of interfacility cables outward from the main distributing frame (MDF) in a central office or switching center. Inside plant includes the MDF and all equipment and facilities within a central office or switching center.