Class 2 Power Supply, 24 VDC Only, Up to 8 Modules Expanison, POINT Bus Backplane, 16 DI (Sink), 16 DO (Source), 2 Ethernet Port (DLR), Support Class 1, 3 Network Comms, 8 TCP Connections, 0.5MB Internal, 2-Axis CIP Motion, 2 Servo Drives Connections, 1GB SD Card Inbox