2 x PCI or 1 x PCI & 1 x PCIe x16 Card slots 1 x USB front 4 x USB on the back 1 x serial RS232 1 x DVI-I for additional monitor 1 x CF-Card slot 2 x 10/100/1000 Mbit/s RJ 45 Ethernet-interface onboard 1 x PROFIBUS/MPI for DP-Variant 1 x PROFINET (3-Port Switch) for PN Variant |