The Cisco 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.