Samsung 150S Owner's Manual page 15

Introduction
Rear
(The configuration at the back of the monitor may vary from product to product.)
1. Power port : Connect the power cord for your monitor to the power port
on the back of the monitor.
2. Signal cable : Connect the end of the signal cable to your computer's video port.
(video board, video card or graphics card)
Note :
See Connecting Your Monitor for further information regarding cable connections.
User's Manual