Samsung SyncMaster 731B, 931B, 731BF, 931BF Owner's Manual page 15

POWER port
DVI IN port
RGB IN port
Kensington Lock
See Connecting Cables
Connect the power cord for your monitor to the power port on the back of the
monitor.
Connect the DVI Cable to the DVI 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 when using
it in a public place.
The locking device has to be purchased separately.
For using a locking device, contact where you purchase it.
for further information regarding cable connections.