MA Lighting MA4023578 I/O Node DIN-RAIL Signal DistributorThe grandMA3 I O Node DIN Rail is the multi tool of signal distribution within a grandMA3 lighting control system, especially for fixed installations. Wherever the signal is generated or needed just place a grandMA3 I O Node DIN Rail there and receive or send external signals. The grandMA3 I O Node DIN Rail comes in the same housing as a grandMA3 xPort Node DIN Rail. The display shows the status of all input and output signals. Just add the grandMA3 I