Abstract: A system, method and computer program product for supporting broadband communications services is provided, and more specifically, a broadband communications network interface unit and power source therefor, The broadband communications network interface unit of the present invention permits multiple services being provided to a subscriber to be combined and provided, supported, and controlled collectively by the network interface unit. Moreover, the present invention provides power for the network interface unit that permits lifeline services, such as telephone, to continue even during potential power outages to the system.