42U premium enclosure includes doors and side panels. It is designed for secure, high density server and networking applications in IT environments. The enclosure has a NEMA 12 protection rating, which is equivalent to IP54. It is designed with provisions to integrate cooling, power distribution and cable management, SmartRack enclosures make ideal homes for mission-critical equipment. It is compatible with all standard 19-inch rack equipment. Adjustable mounting rails include an easy-view depth index to eliminate time-consuming measurements. Lightweight modular doors and side panels provide safe, convenient service access. Integrated baying tabs facilitate combining enclosures in rows for standard data center baying applications.