Point of interconnection
Point of interconnection is the point where the customer or project facilities electrically connect to the utility or transmission-provider system. POI choice can determine cost, schedule, losses, network upgrades, land rights, and whether a site is feasible.
Read definition →Fault tolerant
Fault tolerant means the facility can continue operating through an individual equipment failure or distribution-path interruption. It is associated with Tier IV, but real fault tolerance depends on detailed topology, controls, and isolation.
Read definition →UPS
Uninterruptible Power Supply provides short-duration power conditioning and ride-through between utility events and generator availability. UPS topology, battery chemistry, runtime, efficiency, redundancy, and maintenance are central to data center reliability.
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