TIA ANSI/TIA/EIA-568-B.1

This Standard specifies minimum requirements for telecommunications cabling within a commercial building and between buildings in a campus environment. It specifies cabling requirements, cabling distances, telecommunications outlet/connector configurations, and a recommended topology.

Building telecommunications cabling specified by this Standard is intended to support a wide range of different commercial building sites and applications (e.g., voice, data, text, video, and image). Typically, this range includes sites with a geographical extent from 3000 m (approximately 10 000 ft), up to 1 000 000 m² (approximately 10 000 000 ft²) of office space, and with a population of up to 50 000 individual users.

Telecommunications cabling systems specified by this Standard are intended to have a useful life in excess of ten years.

This Standard applies to the telecommunications cabling systems of buildings for commercial enterprises that are office oriented.