Keep your Ethernet Smoothstepper safe in this sturdy board enclosure. No more loose wires in your machine causing you havoc! Has correct provisions for top access holes to allow you to hook up your remote LPT parallel port ribbon cables or the like. Yay! Unit will be modified to have a DIN rail type mount on the back once I have a chance.Having worked on retrofitting a large 3 axis CNC mill to upgrade it with modern AC servo drives, and VFD. Cabinet organization is key to having a productive and reliable machine. The smooth stepper breakout board is awkward to mount in an industrial cabinet. Having a strong case to enclose the sensitive electronics was key. Unit will be modified to have a DIN rail type mount on the back.