Because of the circuit contents, it is often necessary to mix single and double height euro cards within the same sub-racks. The unique design of Alfa Card frame, solved this problem with the additional system of compartment kit. This compartment kit uses 2HP width functional space of the front panel's total space of 84 HP. With specific PCB design, All the front panel space can be available without any loss.
This design do not compromise on functional as well as aesthetic aspect of the sub rack unit.