Open Frame Racks are also called 2 post racks or 4 post racks. ALPINE make open frame rack is made up of CRC MS Steel 19" mounting rail equipment. rack provides easy access to cables for moves adds n changes. It provides maximum ventilation, unsurpassed strength and stability for supporting equipments such as patch panels servers switches and other networking equipments. Convenient and easy way to organize server n networks to make better use of space in data centers.