Description
The Cisco NCS-55A2-MOD-SYS is a modular aggregation router chassis designed for high-performance, scalable network environments. Built for flexibility, it supports a variety of interface modules, making it ideal for service providers and large-scale enterprise networks requiring dense 100G and 400G connectivity. With a compact 2RU form factor, it offers efficient space utilization while maintaining robust performance and reliability. Its front-to-back airflow and redundant power supplies enhance operational stability in demanding data center or edge deployments.
This system is powered by Cisco’s IOS XR software, enabling advanced routing features, high availability, and streamlined automation. The chassis supports up to two line cards and includes dual route processors for control plane redundancy. Key technical specifications include support for up to 4.8 Tbps of system bandwidth and compatibility with QSFP28 and QSFP-DD optics. Common components found in used units may include the chassis, fan trays, power supplies, route processors, and one or more modular line cards, depending on configuration.

