Fiber-to-the-Telecom Enclosure (FTTE) Zone cabling

The Fiber-to-the-Telecom Enclosure (FTTE) topology was designed to take advantage of the long link lengths afforded by fiber cable. It is one of the most cost-effective architectures in use today.

This low-density fiber-to-the-telecom-enclosure architecture shown in the diagram below has many of the same elements as a hierarchical star, but in this setup the fiber-optic backbone cable passes through the telecom room without need for splices or other connections. Consequently, the telecom room on each floor can be smaller than the size recommended by TIA standards.

FTTE networks allow electronics to be centralized, which saves in cost and increases flexibility. This makes them ideal for environments with many moves, adds and changes (MACs). The FTTE architecture is based on the TIA-569-B pathways and spaces technical standard, which defines the TE, and on TIA-568-C.1, which defines the cabling when a TE is used.

FTTE architectures have been deployed in office environments successfully for many years. Depending on the user's needs, FTTE can be deployed in low- or high-density configurations. Modeling conducting by the Fiber Optics Technology Consortium in their downloadable cost model suggest that compared to traditional hierarchical star architectures (which use fiber in the backbone and unshielded twisted-pair copper in the horizontal), FTTE architectures offer the potential for cost savings by reducing the amount of electronics needed and freeing up space that typically was dedicated to TRs.

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