SPC4 (connected to T140, magic eye in each room)

DRX780 port 0
DRX890 port 2 (3rd port)
cover box sensor on DRX890

Main Room
DRX780 [i=0,blue=2] (will respond front of box but not magic eye)
DRX890 [i=1,blue=3] (will respond magic eye but not front of box)

Second room
DRX780 [i=1,blue=0] or [i=2,blue=0]
DRX890 [i=1,blue=3]

If using sky+ remote use yellow instead of i.