Total Access 3000 system can function as either a DSLAM or as a TDM platform. When used as a DSLAM, the Total Access 3000 can be used to provide services such as xDSL, SHDSL, DSX-1, E1, DS3, and OC-3c. When used as a TDM platform, the Total Access 3000 Chassis can be used to provide a variety of digital services, including HDSL, HDSL2, HDSL4, DSX, T1, and ISDN over copper lines as well as four T1s over optical fiber. Total Access 3000 Chassis terminates up to 112 DSX-1/E1s and/or a single high speed (DS3, STS-1, etc.) signal from the network and provides the necessary circuits to interface with up to 224 2-wire loops to the customer's equipment. Total Access 3000 chassis mounts in a standard 23-inch wide rack. The chassis measures 21.40 inches wide, 6 inches high and 12 inches deep, and weighs 13.45 pounds. The operating temperature range for the chassis is -40°C to 65°C for remote terminal applications.