The Cisco XR 12000 and 12000 Series of packet over SONET/SDH (POS) line cards deliver state-of-the-art technology to cost-effectively scale carrier-class IP/Multiprotocol Label Switching (MPLS) packet infrastructures to meet the needs of service providers around the world. The POS interfaces deliver high-performance, powerful features and a full range of interface types, speeds, and connectors, enabling deployment of high-speed core, peering, and edge applications. The POS line cards provide the ideal solution to meet and exceed the ever-growing demands for higher capacity and service availability.

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