An assembly to connect a first and a second electronic component within a rack, the assembly comprising: a lever unit including: a lever including a primary cam member and a secondary cam member connected thereto and a hook member extending therefrom, the primary cam member, the secondary cam member, and the hook member being configured to rotate with the lever; and a base connected to a first corner of the first electronic component, the first electronic component comprising an electronic module, the base includes a limiter comprising a guide structure to engage with a drive pin, to control movement of the first electronic component along a first axis, wherein the base pivotably supports the lever; in operation the rotation of the lever moves the first electronic component along the first axis towards a backplane until the primary cam member engages with a fixed pin and stops rotating, the secondary cam member being configured to move the drive pin along the guide structure to control movement of at least one electronic component selected from the first electronic component and the second electronic component along a second axis, the hook member being configured to engage with a rail unit connected to the second electronic component, to mate the first electronic component and the second electronic component along the second axis, the second electronic component comprising a thermal module; in operation as the lever rotates between a first angular position and a second angular position, the drive pin moves along the guide structure, which moves the first electronic component from a first longitudinal position to a second longitudinal position along the first axis; and as the lever rotates between the second angular position and a third angular position, the fixed pin prevents movement of the primary cam member, the drive pin moves along the guide structure and the hook member engages with the rail unit connected to the second electronic component, the hook member moves the rail unit along the first axis between a first rail position and a second rail position, the movement of the rail unit being performed to mate the first electronic component and the second electronic component along the second axis. a lever including a primary cam member and a secondary cam member connected thereto and a hook member extending therefrom, the primary cam member, the secondary cam member, and the hook member being configured to rotate with the lever; and a base connected to a first corner of the first electronic component, the first electronic component comprising an electronic module, the base includes a limiter comprising a guide structure to engage with a drive pin, to control movement of the first electronic component along a first axis, wherein the base pivotably supports the lever; in operation the rotation of the lever moves the first electronic component along the first axis towards a backplane until the primary cam member engages with a fixed pin and stops rotating, the secondary cam member being configured to move the drive pin along the guide structure to control movement of at least one electronic component selected from the first electronic component and the second electronic component along a second axis, the hook member being configured to engage with a rail unit connected to the second electronic component, to mate the first electronic component and the second electronic component along the second axis, the second electronic component comprising a thermal module; in operation as the lever rotates between a first angular position and a second angular position, the drive pin moves along the guide structure, which moves the first electronic component from a first longitudinal position to a second longitudinal position along the first axis; and as the lever rotates between the second angular position and a third angular position, the fixed pin prevents movement of the primary cam member, the drive pin moves along the guide structure and the hook member engages with the rail unit connected to the second electronic component, the hook member moves the rail unit along the first axis between a first rail position and a second rail position, the movement of the rail unit being performed to mate the first electronic component and the second electronic component along the second axis.