The TIA-942 standard was first released in 2005, revised in 2014 (TIA-942-A), and significantly updated in 2017 (TIA-942-B). It provides guidelines for the design and installation of data centers.
One of the most utilized aspects of the TIA standard is the classification of data center reliability into four "Tiers." These tiers define the level of redundancy and fault tolerance. tia data center standards
The standard divides the data center into distinct functional areas: The TIA-942 standard was first released in 2005,