This note illustrated the basic concept of Rated (TIA-942) and Tier (Uptime) for mechanical system. Tier I Basic capacity component, Tier II Redundant capacity component and Tier III Concurrently maintainable are shown.
Related notes:
Data Center Classification: ANSI/TIA-942 and Uptime Institute
Data center classification: Indicative classification comparison
Data center redundancy level – What is N and R ?
What is a data center and its four core elements?
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