42U RACK ENCLOSURE CABINET . Tripp Lite\'s Smart Rack 42U Value Series Standard-Depth Rack Enclosure Cabinet is designed for secure, high density server and networking applications in IT environments. Designed with provisions to integrate cooling, power distribution and cable management, Smart Rack enclosures make ideal homes for mission-critical equipment. Toolless mounting accessory slots allow quick installation of PDUs and vertical cable managers. Lightweight modular doors and side panels provide safe, convenient service access. Smart Rack enclosures support cooling, cable management, power distribution and monitoring features that keep critical servers and network equipment operating nonstop.