Dell S2440L Monitor - Manual (Page 13)

Activate the computer and the monitor to gain access to the OSD.
NOTE: This monitor is ENERGY STAR ® -compliant.
* Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the monitor.
** Maximum power consumption with max luminance.
Pin Assignments
VGA Connector
Pin
Number
15-pin Side of the Connected Signal Cable
1 Video-Red
2 Video-Green
3 Video-Blue
4 GND
5 Self-test