TIA-569-B
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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.[1][2]
Key changes from TIA-569-A are:[3]
- 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- The main terminal space has been eliminated, and has been replaced by the common equipment room.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.