Unfortunately I do not believe that you can manufacture a plug that will work with the Reflex sim. They have a one gate proprietary on-board chip attached on the usb end of the cable and it cannot be duplicated. If you have a chip reader you might be able to find out the hand shaking code is embedded in the on board chip. However, in order to do that you need to get your hands on an existing usb signal converter and then analyze the signal. Suppose that you might get a chip to try to figure out its code....usually they have safety one way voltage gates and as soon as you try to pass their threshold of voltage as you try to invade in their proprietary code they snap and become useless. I have spend quite some time trying to do what you ask and I had no success. If you find a way to do it please let me know because I have a copy of the reflex software sitting on my desk that is otherwise useless.