3 Slot AC Base for Small Machines
- Up to 48 I/O Locally
- Up to 2048 I/O Networked

5 Slot AC Base for Medium Machines
- Up to 80 I/O Locally
- Up to 2048 I/O Networked

7 Slot AC Base for Large Machines
- Up to 112 I/O Locally
- Up to 2048 I/O Networked