A modular interconnectivity assembly for interconnecting elements of a point of sale system, the modular interconnectivity assembly including at least one interconnectivity module including an Input/Output (I/O) hub having at least one upstream facing port and at least two downstream facing ports, at least one upstream connector connected to the at least one upstream facing port of the (I/O) hub and adapted for communication in accordance with a first communication protocol, at least one downstream connector connected to at least one of the at least two downstream facing ports and adapted for communication in accordance with the first communication protocol and at least one interface connected to another of the at least two downstream facing ports and adapted for communication in accordance with a second communication protocol, different from the first communication protocol.