Tech Tip by Chatsworth Products
As an integral component of a data center or remote site power chain, the uninterruptible power supply (UPS) essentially provides clean power when AC power is present and provides backup power in the event of a power outage.
Typically, a UPS will help customers ride through a few minutes of outage, until a generator comes on or until equipment can be gracefully shutdown, which is when a computer is turned off by a software function and the operating system (OS) is allowed to perform its tasks of safely shutting down processes and closing connections, and is the opposite of a hard shutdown, when the computer is forcibly shut down by interruption of power