Samsung SyncMaster G19P Plus User Manual page 13

(The configuration at the back of the monitor may vary from product to product.)
POWER IN
DVI IN
RGB IN
Kensington Lock
See Connecting the Monitor
Connect the power cord for your monitor to the power port on the back
of the monitor.
Connect the DVI Cable to the DVI IN port on the back of your monitor.
Connect the signal cable to the 15-pin, D-sub port on the back of your
monitor.
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.