|
The Telecommunications Industry Association's TIA-569-B is a Commercial Building Standard for Telecommunications Pathways and Spaces standardizes specific pathway and space design and construction practices in support of telecommunications media and equipment within buildings. ==Changes from TIA 569-A== Key changes from TIA-569-A are: * Multi-tenant pathways and spaces for wireline and wireless technologies are specified. * Common equipment rooms and common telecommunications rooms are identified and specified. * The main terminal space has been eliminated, and has been replaced by the common equipment room. * A new space, telecommunications enclosure, has been added. * Requirements for building automation system spaces have been added, including horizontal connection point and zone box. * “Bypass” pathways are discussed. * Pull tension information has been added. * Fill capacity is provided for furniture systems. * Fill capacity is provided for perimeter raceways. * Design requirements for poke-thru fittings. * Access floor heights are adjusted. * In-floor systems include underfloor duct and cellular raceways. * Pathway fill is provided for cable tray. * A discussion of telecommunications diversity has been added. * Noise reduction guidelines have been added. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「TIA-569-B」の詳細全文を読む スポンサード リンク
|