d$)$ For a S$7-300/400/1500$ system, the input$/$output devices are wired to:

P$604$: Output module, rem. rack slot $6,$ channel $3,$ mod. start addr is $112$

SW$601$: Input module, CPU rack slot $9,$ channel $2,$ mod. start addr. is $96$

PS$605$: Input module, rem. rack slot $2,$ channel $11,$ mod. start addr. is $304$

PS$607$: Input module, rem. rack slot $2,$ channel $13,$ mod. start addr. is $304$