--- manufacturer: Rockwell Automation model: ControlLogix Rack - 4 Slot part_number: 1756-a4 slug: 1756-A4 u_height: 3 is_full_depth: false subdevice_role: parent device-bays: - name: Power Supply - name: Slot 0 - name: Slot 1 - name: Slot 2 - name: Slot 3