Backup storage apparatus and related methods wherein communication capabilities are provided that allow information to be shared between devices installed in the apparatus to extend the functionality of the apparatus. A controller comprising a communication link is coupled to an operator control panel that controls functions of and displays information regarding the apparatus. An installable component that is operable to extend the functionality of the apparatus when coupled to the communication link, and is operable to discover services that are sharable between the controller and the component. When communications are established, the operator control panel via the shared services is also capable of controlling functions of and displaying information regarding the component.