The Total Access 1500 Chassis is designed to meet a variety of operating configurations and services, such as POTS and Special Services. The Total Access 1500 is intended for use in central office, remote terminal, and customer premise applications. The Total Access 1500 System is comprised of the chassis, common cards, and access modules. The chassis dimensions are 23 inches wide by 3.50 inches high by 10.75 inches deep and is made of heavy gauge metal. The unit mounts in a standard 23- inch wide rack.