Samsung SyncMaster 723N User Manual page 13

Rear
(The configuration at the back of the monitor may vary from product to product.)
POWER port
RGB IN port
POWER on/off Switch
(option)
Kensington Lock
See Connecting the Monitor
Simple stand
Connect the power cord for your monitor to the power port on the back
of the monitor.
Connect the signal cable to the 15-pin, D-sub port on the back of your
monitor.
Use this button for turn the monitor on and off.
The Kensington lock is a device used to physically fix the system to
something when using it in a public place. (The locking device has to
be purchased separately.) For using a locking device, contact the
place of purchase.
for further information regarding cable connections.