The intrabuilding backbone connects the main cross-connect in the construction to each of the other cross-connects. An optical fiber intrabuilding backbone has emerged as the medium of option due to its quality to maintain multiple high-speed networks in a smaller cable without crosstalk concerns.
Also more users are using fiber to maintain voice and inexpressive subject change (Pbx) applications by placing small remote Pbx shelves within cross-connects supported by the intrabuilding backbone.
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A fiber optic Lan network backbone includes the following major parts.
1. Cable pathways
Cable pathways are shafts, conduits, raceways, and floor penetrations that supply routing space for fiber optic cables
2. Ers
Ers are areas where telecommunications systems are housed and related to the telecommunicationis wiring system
3. Trs
Trs are the areas or locations that comprise telecommunications tool for connecting the horizontal cabling to the backbone cabling systems
4. Telecommunications assistance entry facility
This is an area or location where face plant cables enter a building
5. Transmission Media
Transmission media are the actual cables. They can be optical fibers, twisted-pair copper cable, or even coaxial copper cable.
Connecting hardware for the transmission media comprise connecting blocks, patch panels, interconnections and cross-connections.
6. Other facilities
Other facilities comprise cable maintain hardware, firestopping, grounding hardware and other safety and safety hardware.
Intrabuiding backbone develop is regularly straightforward; however, discrete options exist. A single hierarchical star develop between the construction cross-connect and the horizontal cross-connect is strongly recommended.
The only possible exception happens in very large buildings, such as high-rise, where a two-level hierarchical star may be needed.
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