CNC BACK PANEL


-HOME
-Clockworks
...Grasshopper Clockwork
...Inertia Clockwork
.........Gear Cutting
.........Sample Gears
.........Rotary Table
.........Parts Disassembled
.........Escapement Revealed
...Simplicity Clockwork
...Gear Machine Clockwork
...Concentricity Clockwork
-Eggs
...Egg Drawing Machine
...Brown Eggs
...Green Eggs
...Fun With Trigonometry
-CNC
...The Milling Machine
...Inside the Controller Case
...Rear of Controller Case
...The Interface Board
-ProTrac Support
Here is the back panel of the mid tower PC case.  At the top is the parallel port connection for receiving signals from the notebook PC.

There is a grid installed over the cooling fan.

On the left you can see connectors for the four motors and AC power.