VGM-390 (250-4091) Pinouts Faxback Doc. # 6117 D-SUB SIGNAL INPUT (FEMALE) The supplied 9-to-15 pin cable connects the computer's 15-pin VGA video port connector to the monitor's 9-pin D-SUB connector. The following table lists the functions of the monitor's 9-pin connector. PIN 1 Red 2 Green 3 Blue 4 H-SYNC 5 V-SYNC 6 GND-R 7 GND-G 8 GND-B 9 GND-SYNC (smc-02/17/94)