ADS Environmental Services Model 4000 530017 A0 - Manual (Page 78)

Communication and Activation 4-9
contacting the socket with the solder. This will cause the
solder to flow into the socket.
Filling the wire sockets in the connector with solder
5. Heat the socket until the solder inside melts, and then insert the
wire into the socket:
Insert the red wire into socket A (tip)
Insert the green wire into socket D (ring)
Soldering the wires to the designated sockets