Dell PowerEdge T110 - Manual (Page 7)

Getting Started With Your System
5
Plug the other end of the power cable into a grounded electrical outlet or
a separate power source such as an uninterrupted power supply (UPS) or
a power distribution unit (PDU).
NOTE:
Ensure that the system is connected to a stand-alone power source with
stable power supply for better performance.
Turning On the System
Press the power button on the system. The power indicator should light.
Complete the Operating System Setup
If you purchased a preinstalled operating system, see the operating system
documentation that ships with your system. To install an operating system for
the first time, see the installation and configuration documentation for your
operating system. Be sure the operating system is installed before installing
hardware or software not purchased with the system.