Opterna floor standing steel cabinets are robust and flexible cabinets that can be configured to suit a wide range of equipment types and applications. Perforated steel doors provide excellent cold air circulation through the rack and internal mounting rails can be adjusted to suit different equipment types and depths.• Steel frame structure• Vented top cover with cable entry provision and entry plate• Fan housing unit• Bottom cover with cable entry provision and entry plate• Side panels with slam latches and locking facility• Front tempered glass door with lock• Optional arc or flat 71% perforated front door with lock• Rear steel door with lock and 71% perforation for airflow• Side mounting angles• 19-inch equipment mounting angles