Fellow user cslaser has created a pretty comprehensive video on installing the laser electronics board in the Shark Control Box, and some of the other hardware setup considerations in a non-HD4 setup.
Worth a watch if you've purchased this addition, or thinking about it and you're not using an HD4 or Pirhanna control box.
https://youtu.be/VfmshulXyps
Installing Laser Hardware for non-HD4
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