9two circuit card assemblies mtd back to back on a page frame, c/o capacitor 36, connector 2, diode 4, microcircuit 62, printed wiring board 2, resistor 22, transistor 2, 7.980 in. Lg, 3.192 in. W, 0.635 in. H, plug-in and rack mtd, secured by two captive screws