Digital computer plug-in units and associated equipment
J. N. Harris, F. L. McNamara · Electrical Engineering · 1955
A line of small plug-in units for digital computer systems is described. The unit plugs into a standard 32-contact receptacle; 15 units of these are contained in a subrack assembly. The subrack has self-contained power wiring and a switch for marginal checking. Logical connections are made on a panel by patch cords and miniature spring-loaded connectors.