The Total Access 3000 DSLAM architecture offers the versatility to meet the needs of both large and small office applications. With a variety of Wide Area Network (WAN) interfaces and full ATM switching capability, the Total Access 3000 delivers voice, frame, and DSL solutions from a single cost-effective and scalable platform. Total Access and other ADTRAN customer premises devices are fully interoperable, providing cost-effective data and converged voice and data over the DSL network.