Method of and system for reading visible andor invisible code symbols in a user-transparent manner using visibleinvisible illumination switching during data capture and processing operations. The slot machine incorporates a topper having a display unit corresponding to each primary game reel. Each of the physical channels of each of the audio signal processing units is mapped to a corresponding global channel. The connection identifier also associated with a communication link that is established over the private network between the interface unit and the node. The hello message indicates a direct connection with a different second router on one network segment.