Patent attributes
A test apparatus includes a bus switch unit capable of switching the output ports to select which of the output ports an input signal is output from, a control unit for inputting a plurality of control signals, according to a test program for testing the electronic device, to the bus switch unit and controlling which of the output ports each of the control signals is output from, a plurality of slots provided corresponding to the plurality of output ports, and a device interface capable of switching the connectors, which couple the plurality of slots and the electronic device, to select which of the connectors the slot is coupled to, wherein the device interface further includes a diagnosis decoder for sequentially supplying each of the test modules with a diagnosis signal via each of the connectors, and the control unit detects which of the test modules the diagnosis signal received via each of the connectors is supplied to and which of the connectors each of the output ports is coupled to based on a result of detecting the module.