CP-ASM4-TT 3U CompactPCI Table Top Rack for Development The CompactPCI card cage CP-ASM4-TT is well suited for any development of CompactCI applications. For comfortable use on the labor desk, the housing is equipped with feet, handholds, a 8HP power input module on the rear side with filter, IEC input plug, double fuse, and on/off switch, and finally with two 12VDC radial ventilators.