1997 will be the year that broadcast digital services finally becomes affordable to consumers via cable. But to give the cable industry an edge over it competitors, the industry needs to be able to offer on-demand services, such as Video On Demand, to its customers. Unfortunately, the cost of the elements of an on-demand network are still too expensive to offer on-demand services. To make on-demand a reality different network designs and cost reduction efforts are still necessary. This paper will describe how the Asynchronous Serial Interface (AS!) standard can help to reduce on-demand network costs.