Top left picture is of the eight channel dimmer
Top right picture is of the pc interface
Bottom left picture is of the four channel relay module
Bottom right picture is of the 4 way aux input module

The led indicators on the dimmer and relay modules are also manual over ride switches. If you give them a quick press they toggle their load and flash the comms lite (to show a channel (s) is in manual mode)...Useful I suppose if the C_Bus network went down for some reason..........

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