Embodiments of an apparatus for controlling a plurality of modules coupled to a communications network of a bed are disclosed. The apparatus may comprise an interface module, a plurality of user interfaces, and a plurality of dedicated data links. The interface module may include a transceiver coupled to the communications network, a processor configured to output graphics data, and a plurality of transmitters configured to receive the graphics data and generate a plurality of synchronous graphics signals. Each of the plurality of user interfaces may include a graphical display. Each of the plurality of dedicated data links may be coupled to one of the plurality of transmitters and to one of the plurality of user interfaces.