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Information Transport Systems, previously referred to as Structured Cabling is defined as building or campus telecommunications cabling infrastructure that consists of a number of standardized smaller subsystems: Subsystems | Description | Scope of Services | | Entrance Facility (EF) | where the building interfaces with the outside world. | Coordinate service providers, Extend demarcs, Validate service | | Data Center (DC), Equipment Rooms (ER), Network Operation Ctr (NOC) | hosts the IT equipment such as servers, routers, etc. that serve the network community. | Design and build-out (new), Re-engineer (existing), Clean up | | TeleCommunication Closets (TCs), Telecom Rooms (TR) | serves as consolidation for cabling, houses various telecommunications, fiber and copper cabling connectivity hardware. | Design and build-out (new), Re-engineer (existing), Clean up | | Backbone | carries the signal between DC, ERs, and NOCs
| Design, Install, Test, As-built Documentation, Expand, Performance Scalability Assessments | | Premise Cabling, Horizontal Cabling | communications channel between the closet and TRs and the end-users work area outlet.
| Design, Install, Tone/Test/Tag, As-built Documentation, Moves/Adds/Changes (MACs) |
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