sentences:  The MIL-STD-1760 interface provides power through the primary interface (two off 28 VDC and either one or both 115/200V VAC and 270 VDC), where it is routed to the store along with all of the other signal types.The standard also allows for an optional auxiliary power interface (1 off 28 VDC and either 115/200 VAC or 270 VDC) for stores with more demanding power requirements.The auxiliary power interface includes its own interlock discrete signals so that the aircraft can determine whether the store's auxiliary power connector is attached to the aircraft.