form of an electrically erasable programmable read only memory eeprom or a similar type of non volatile memory that contains information about that rear electronic module in particular the memory 36 contains information related to one or more of the following attributes of the rear electronic module carrying the memory the number of input signals the number of output signals the type of each signal e g video audio data etc the format of each signal sdi composite aes analog audio etc the connector types bnc fiber balanced aes etc the physical layout of the connectors signals any limitations regarding signals and any feature restrictions regarding signals to the extent that signal limitations exist the memory 38 will contain information about the various modes supported for a given signal bandwidth limitations if any as well as data rate details resolution data etc should a given rear electronic module contain feature restrictions the memory 38 will contain information about such restrictions for example a given front electronic module could possess the ability to support supports 2d adaptive 2d and adaptive 3d decoding a particular rear electronic module might support the composite input of an associated front electronic module but limit its performance to 2d and adaptive 2d decoding while another rear electronic module could enable additional features from the information about feature restrictions contained in the memory 38 of a given rear electronic module the controller 36 of an associated front electronic module can determine what feature restrictions exist for the associated rear electronic module fig2 depicts in flow chart the steps associated with initial power up and operation of the electronic system 10 of fig1 initial power up commences during step 100 of fig2 upon power.