Rohde schwarz hm8001 2 basic unit modular system rohde schwarz 3593 0751k02 p the rohde amp schwarz hm8001 2 is a basic unit modular system which provides a source of regulated power and on off control for the modules and acts as a stackable rack enclosure station for groups of two modules p p the hm8001 2 is the mains operated mainframe for the r amp s modular system series 8000 any two modules may be operated simultaneously in one such basic unit the total power available for bo