This ST-AF unassembled network cabinet features overall dimensions of 530×400×600mm (12U) with a 465mm mounting hole spacing that conforms to the 19-inch industry standard. It is fabricated from premium SPCC cold-rolled steel, with a 0.4mm-thick main panel and 1.0mm-thick upright beams. Designed to accommodate network switches, servers, routers, patch panels and other network devices and accessories, the cabinet complies with national technical standards for network cabinets. It has passed ISO9001:2015 quality management system certification, ISO14001:2015 environmental management system certification and ISO45001:2018 occupational health and safety management system certification, and has been inspected qualified by the Furniture Quality Supervision & Inspection Center. Standard accessories include 1 layer of tray, 2 side panels, 4 upright mounting rails, 4 casters and one set of installation screws. It is equipped with a front tempered glass door and a rear single-leaf mesh door; the front glass door can be replaced with a single-leaf mesh door as an alternative option.