The durable steel construction features solid sides and a locking front door to keep installed equipment safe. The removable locking front door features a smoked gray acrylic window for easy viewing and monitoring of installed equipment.The open back design allows already terminated equipment such as patch panels and switches to be fed through the back of the cabinet, saving your installers hours of time re-terminating cables. The large open space is also perfect for applications with an immense amount of cabling which can be fed through the wall directly into the cabinet.