SeeMeCNC Rostock MAX v2 Assembly Manual page 56

Cut 21" off the 18ga, four conductor cable included with your kit and remove the black & red
wires from it. These are the power wires that need to be soldered to the power pads on the bottom of
the Onyx.
Flatten the end of the black wire and lay it on the pad as shown below. Solder in place.
Rostock MAX v2 Assembly Guide
Fig. 5A-9: Wire stripped out of the 4 conductor. cable.
Fig. 5A-10: Ground lead ready to be soldered down.
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