RapidIO products use a high-performance, packet-switched architecture to pass data and control information between microprocessors, digital signal processors (DSPs), communication and network processors, system memory, and peripherals within a system

Industrial backplanes are circuit boards that contain sockets or expansion slots for connections to other circuit boards.

I/O Modules, cards and boards are used to accept data (input) from computers, sensors, transducers, PLCs, etc.