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f9488a8cf8 This decision was driven by the need to have one common standard that could be used to address generic cabling needs when a specific premise standard, such as the commercial building, data center, residential, or industrial standard, does not exist. As shown below, the generic infrastructure topology is actually fully consistent with the commercial building topology specified in TIA-568C.1. Another deviation from the original TIA-568-C series planning outline was the agreement to move balanced twisted-pair field tester and field testing requirements from the TIA-568-C.2 Standard into a standalone document (TIA1152). This Standardprovides structure, topologies and distances, installation, performance, and testing requirements for generic telecommunications cabling. This represents a deviation from the original TIA-568-C series planning outline and was a cause of considerable debate in the TIA subcommittees. Environmental Compatibility TelecommunicationsCabling System Structure Cabling Installation Requirements Cabling Transmission Performance and Test Requirements Annexes addressingCentralized Optical Fiber Cabling, Multi-Tenant Cabling, Application Support Information, Environmental (MICE) Classifications, and Shared Sheath and Shared Pathways Guidelines . Significant changes from theprevious editioninclude:. This common content applies to previously unsupported environments such as nonoffice areas of an airport or stadium and also serves as a repository of generic requirements that are applicable to all specific premise and component standards. This carefully weighed decision supported reducing the overall page count of TIA-568C.2, as well as ensuring that updates or even simple reaffirmations of future revisions of the proposed TIA-1152 Standard could be quickly addressed without the need to open the entire balanced twisted-pair cabling content of TIA-568-C.2 for review.
With the TIA-568-C.0, TIA-568-C.1, TIA-568-C.2, and TIA-568-C.3 Standards encompassing 305 pages of detailed information and containing 151 tables and 121 figures, it can be challenging to remain up to date with the latest TIA telecommunications cabling specifications. The table below provides a summary of the content appearing in the four main TIA-568-C documents.Click hereto see how the TIA-568C documents interrelate with each other and other important TIA cablingStandards. Its important to remember that the TIA-568C.0 terminology is only to be used when a specific customer premise standard defining terminology does not exist. As a result, the ANSI/TIA-568 family of Standards has undergone 3 sets of revisions since the original document was published in 1991. TIA-568-C.4 was published 3 years after the revised TIA-568-C family of Standards published and contains all new technical content. This mandate provides an opportunity for TIA subcommittees to evaluate the document content to ensure that material is up-to-date, information is centralized, and duplication is reduced or eliminated. It was identified that several formulas in the Standard were not rendering correctly and the document was revised and reaffirmed in December, 2015. Ultimately, it was agreed that, since the balanced twisted-pair channel and permanent link specifications are so dependent upon the modeling configurations described in annexJ of TIA-568-C.2, it was most logical to move the cabling specifications into TIA-568-C.2 and keep this interdependent information together.