Cisco SP-AR3-NCS1K4XY NCS 1004 XPonder Line Card | Router Module — SP-AR3-NCS1K4XY

Add capacity where backbone traffic demands it. The Cisco SP-AR3-NCS1K4XY XPonder line card is built for the NCS 1004 platform, giving service provider teams a modular way to extend optical transport and routing infrastructure without replacing the chassis. That matters when you need to grow in controlled increments, preserve rack space, and keep existing network architecture intact. This line card fits environments where every slot has a purpose. It supports high-density transport designs that help consolidate services, simplify expansion planning, and keep critical traffic moving through a platform already designed for carrier operations. For infrastructure teams, the value is not just added hardware — it is the ability to scale capacity inside a known operational model. Choose this module when you need a platform-specific expansion path for demanding WAN and backbone deployments. It is a fit for organizations standardizing on Cisco NCS systems and looking to maintain consistency across service provider routing layers while adding optical transport capability with minimal disruption to the broader network design. Ideal For Expanding a Cisco NCS 1004 service provider chassis Adding optical transport capacity in a backbone network Scaling carrier routing infrastructure without chassis replacement Standardizing modular expansion across WAN transport sites Why This Product 1 Built for the Cisco NCS 1004 platform 2 Adds capacity without replacing the chassis 3 Suited to carrier-grade transport environments 4 Targets modular optical expansion rather than standalone routing