In communications networks, network elements require knowledge of other network elements such as when they are added to or deleted from the network configuration and the resources they have available. A setting system 14 sets operating parameters of the computer system such as processor operating voltage and frequency. The composite material exhibits a high energy density. In order to route calls from selected calling numbers to call waiting, the subscriber enters the directory numbers of selected callers on the subscriber’s telephone keypad together with an activation code for storing this information in a caller identification table, or data base. Replacement or repair of the sensor portions requires only that the module or modules be removed from the cavity. The cover coupling mechanism has a generally C-shaped bracket, which interfaces with a plurality of slots defined in an air bag cover.