The Extralink rack cabinet is designed for wall mounting in offices, network server rooms, and CCTV control rooms. External walls are made of cold-rolled steel sheet, while the front door features a tempered glass pane that can open to the left or right. Vertical rails have a height designation of 6U (unit), and the total height of the cabinet is 37 cm. Snap fasteners on the side walls allow for disassembly. Locks and keys are included. The top of the cabinet has two places for installing fans to improve cooling of the devices, along with an additional opening for pulling out cables.