Cisco NCS 4202 SP-AR3-NCS420SA Shelf Assembly 4x10GE 12xFE | Router, Shelf — SP-AR3-NCS420SA

Build a stable routing shelf around the Cisco NCS 4202 assembly when your network needs a defined mix of 10 Gigabit Ethernet and Fast Ethernet connectivity. This hardware configuration includes 4 x 10GE ports and 12 x FE ports, giving infrastructure teams a straightforward way to support access, aggregation, or service handoff designs. The value of this shelf assembly is not in excess complexity, but in fit. It is intended for environments where port layout, chassis planning, and operational consistency matter more than chasing unnecessary feature bundles. That makes it a practical choice for service-provider and enterprise network teams standardizing on Cisco routing hardware and managing software or support separately. For procurement teams, this model is easier to justify when the deployment requires a specific shelf assembly rather than a general-purpose router. It supports controlled expansion, predictable integration, and a hardware profile aligned to established network architectures. If you need a platform component that maps cleanly into a larger Cisco routing design, this shelf assembly delivers that structure without adding unused capability. Ideal For Service-provider access aggregation Legacy Fast Ethernet integration in managed networks Shelf-based routing builds with Cisco infrastructure Hardware procurement for modular routing architectures Why This Product 1 Shelf assembly format supports modular routing designs 2 10GE and Fast Ethernet mix fits access and legacy integration 3 Defined port layout simplifies network planning 4 Hardware-only model supports separate software procurement