Night Owl X100-DVR4-5GB user manual - Manual (Page 17)

Chapter 6: DVR Components
17
Chapter 7: DVR Installation
7.1 Connecting the Power Supply
1. Plug the included power adapter cable into the back of the DVR.
2. Plug the other end of the power adapter cable into an available wall
outlet (or, if you are using an uninterruptable power supply, plug the
adapter cable into one of its output sockets).