The Cisco Router ASR 900 Series is a family of high-performance aggregation services routers from Cisco Systems for the metro and enterprise network edge. It supports multiple network interfaces, including 1GE, 10GE, 25GE, and 100GE, providing flexible network connectivity options to meet different deployment needs. Support for Cisco IOS XR software provides powerful network management and automation capabilities, simplifying network operations and management and improving operational efficiency.