DESC: ADTRAN designs, develops, and manufactures Advanced Transmission products for high-speed digital communications. ADTRAN's commitment to total customer satisfaction requires continually developing and improving products to meet changing needs while maintaining the highest level of quality. That's why a complete collection of modular and scalable ADTRAN solutions is provided with a broad range of options for management, network, and local loop interfaces.??ADTRAN TSU ACE provides single V.35 DTE interface for applications such as LAN-to-LAN bridging, Frame Relay circuit termination, and dedicated videoconferencing. The features include synchronous DTE rates in increments of 56 Kbps or 64 Kbps up to 1.536 Mbps, remote configuration from host TSU via FDL or 8 K in-band. It is user-programmable and features front panel LCD and keypad.