The Adtran Atlas 550 IAD (Integrated Access Device) with T1-to-PRI converter, part number 4200305L1, is a compact networking appliance designed for enterprise branch office and remote site deployments. This unit provides integrated voice, data, and fax services over T1/E1 and PRI connections, supporting up to 24 voice channels via Primary Rate Interface (PRI) technology. The device features T1-to-PRI conversion capabilities, enabling seamless interoperability between legacy T1 circuits and modern PRI telephony systems. Typical connectivity includes T1/E1 WAN ports and standard RJ-45 Ethernet interfaces for LAN integration.
The Atlas 550 is commonly deployed in small-to-mid-size branch offices, remote locations, and carrier points-of-presence where consolidated voice, video, and data services are required over limited WAN bandwidth. It supports VoIP gateway functionality, making it suitable for businesses transitioning from legacy circuit-switched networks to IP-based communications. The refurbished unit has been tested and guaranteed to meet Adtran specifications. Available via quote from G5 Network Group.
