See wiring diagram. See attached diagram for wiring possibilities with one booster.
Synchronous 4 amp DCC power booster.
4 amp DCC power booster and power supply for model railway.
RCV1604 Quad control 4 amp New DCC controller 4 model railway+power supply OO/N
Macro Quad control 4 amp New DCC controller 4 model railway+power supply OO/N