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New layout in the black cabinet...
The black cabinet saw a slight change too. It already had 24 volt relays, but was originally built with a 24 volt power supply and interface board so it could be controlled from the 12 volt signals of the original control gear. This was now no longer required so was removed in order that the relays could be controlled directly from the 24 volt signals of the new system. Duck-tape was applied to the spaces between the outlets and labelled with what channel each outlet represented, since not all six channels were controlled of course. This panel controlled outputs 2 to 5.
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