VGM-100 (25-4040) Pinouts Faxback Doc. # 6063 The signal connector is a subminiature 15 pin D-shell connection. Pin Signal Pin Signal 1 N/C 9 N/C 2 Mono Video Signal 10 Digital GND 3 N/C 11 N/C 4 N/C 12 N/C 5 Self Test 13 H-Sync 6 N/C 14 V-Sync 7 Mono Video Return 15 N/C 8 N/C N/C=not connected (smm 08/24/93)