ADTRAN solutions maximize performance, lower costs, and help companies achieve the best return on investment. ADTRAN is committed to achieving success for customers by offering "best-in-class" products with outstanding value. Let ADTRAN work for you. PRODUCT FEATURES: Terminates single unchannelized DS3; Integral DSU/CSU; Frame Relay or PPP networks; Includes two BNC-to-BNC cables.