There is a PDF here https://discuss-assets.s3.amazonaws.com/original/3X/f/5/f585618b50899b3da6eed5133fda1e1d457e70c5.pdf from this thread LASER kit for X-carve from Opt Lasers
Looks like you will have to break out the wires and put them in the proper places. Doesn’t seem like TTL is used.