Electronics installation system, aircraft or spacecraft and method

The present invention provides an electronics installation system, especially for an aircraft or spacecraft, comprising at least one mechanical installation structure comprising a plurality of installation slots each configured to receive an electronic module and at least one wiring configuration slot configured to receive a wiring configuration module, and a connection matrix comprising a plurality of data connections, wherein at least one data connection is provided between each one of the installation slots and at least one wiring configuration slot. Furthermore the present invention provides an aircraft or spacecraft and a corresponding method.