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:Includes integral dual T1 (RJ-48) interfaces and the access router;Access router for Internet access, public and private Frame Relay, and leased line connections;Stateful inspection firewall protects against Denial of Service (DoS) attacks;QoS with DiffServ aware Weighted Fair Queuing for delay sensitive traffic like VoIP;Supports OSPF, RIP, static routing, and bridging;Network Address Translation (NAT/NAPT) conceals private IP addresses;Auto-sensing 10/100BaseT interface to accommodate mixed Ethernet environments;Command Line Interface (CLI), which mimics de facto industry standard;Hot-swappable;Installs in Controller (0) slot.