THIS ITEM DOES NOT WORK AND IS NOT NEEDED FOR ELITE MACHINES.  Elite machines have this functionallity built into itself.
 
The DB25 breakout adapter for the x-35/x-50 machines that allows for easy access to all I/O.  If you plan on using a VFD Spindle or Custom Probe you will need this adapter.
 
What does the breakout board do?  Click this link to view our forum post to find out:
https://forum.onefinitycnc.com/t/what-does-the-breakout-board-do/1766