Samsung 400Pn, 400P Owner's Manual page 13

for long periods.
Rear
For detailed information concerning cable connections, refer to
The monitor's rear configuration may vary slightly depending on the monitor model.
3. RS232C OUT/IN (RS232C Serial PORT): MDC(Multiple Display Control) Program Port
4. DVI IN(HDCP) (PC Video Connection Terminal)
: Using DVI Cable (DVI-D to DVI-D) - DVI mode (Digital PC)
5. PC IN(RGB) (PC Video Connection Terminal)
: Using D-Sub Cable (15 pin D-Sub) - PC mode (Analog PC)
6. PC/DVI/BNC AUDIO IN (PC/DVI/BNC Audio Connection Terminal (Input))
Connecting Cables
POWER SW : Switch the monitor on and off.
1.
POWER IN : Power cord, plug into monitor
2.
and wall receptacle.
under Setup.