Rack or Chassis
A chassis is the physical frame or structure of an automobile, an airplane, a desktop computer, or other multi-component device.
A Rack is the framework, typically with rails, bars, hooks, or pegs, for holding or storing things.
C200HW-AB001 - Omron
Adapter base for installing C200Halpha CPU and power supply unit on a C200H-BCxxx backplane..
500-5840 - Texas Instruments
Adapter base, to fit 520C/530C/530T CPUs onto old style sump CPU bases..
