The Jxx are referenced on page 3 of the PDF - https://www.dropbox.com/s/pxbw3wkqad7au3w/ANT-1773_Pinout.pdf?dl=0



J42 - The power connector on the board is a molex 1040860410 (IllumiMate 1.25mm Pitch Wire-to-Board Header, Single Row, 4 Circuits) and should mate with the wire / cable part molex1040850400 (IllumiMate 1.25mm Pitch Wire-to-Board Crimp Housing, Single Row, 4 Circuits, Natural)



J37 - The RS-232 is for serial data. The board connector is molex 5041950370 (Micro-Lock 1.25mm Pitch Single-Row Right-Angle Header, Beige, 3 Circuits) and should mate with the cable / wire part molex 5055650301 (1.25mm Pitch, Micro-Lock Plus Receptacle Crimp Housing, Single Row, Positive Lock, 3 Circuits, Black)



J39 - The Ethernet connector on the board is molex 5041950470 (Micro-Lock 1.25mm Pitch Single-Row Right-Angle Header, Beige, 4 Circuits) and should mate with the cable / wire part molex 5055650401 (1.25mm Pitch, Micro-Lock Plus Receptacle Crimp Housing, Single Row, Positive Lock, 4 Circuits, Black)



J44 - The AV connector is to analogue in / out and audio in. The board connector is molex 504195-0670 (Micro-Lock 1.25mm Pitch Single-Row Right-Angle Header, Beige, 6 Circuits) and should mate with cable / wire part molex 5055650601 (1.25mm Pitch, Micro-Lock Plus Receptacle Crimp Housing, Single Row, Positive Lock, 6 Circuits, Black)



Please consult with you connector provider to confirm the mating part numbers are correct. The board part numbers are correct.