The Boeing Company
Maintenance over auxiliary power line

Abstract:

Systems, methods, and apparatus for maintenance over an auxiliary power line are disclosed. In one or more embodiments, a disclosed method for generating and transmitting maintenance data from a unit on a vehicle comprises powering the unit by an auxiliary power line connected to the unit or a primary power line connected to the unit. The method further comprises modulating, by the unit, at least a portion of the maintenance data to generate at least one modulated signal. Further, the method comprises transmitting, from the unit, at least one modulated signal on the auxiliary power line. In one or more embodiments, the maintenance data comprises health management (HM) data, built in test (BIT) data, built in test equipment (BITE) data, and/or configuration data.