The dedicated print appliance ISD400 IntelligentSpooling Device provides for the high availability of all printing services by taking over the complete print spooling function in a network printing environment. While the tried and proven ISD300 product line has been designed as compact appliance for workgroups, small branch o ces etc. and for the operation outside of the server rack, ISD400 is a full-blown enterprise spooling solution. With a 19 inch casing and the same set of value-added features as the smaller ISD300,ISD400 is based on a much more powerful hardware platform, ready to easily sustain about three times as many connections: Depending on the existing infrastructure the ISD400 can manage up to 450 users and 150 printers. Bene t now from a seamlessly scalable print spooling solution.