Simplify the integration and transport of 100 Gigabit Ethernet and Optical Transport Unit 4 (OTU-4) interfaces and services into enterprise and service provider optical networks with the Cisco NCS 2000 100-Gbps Coherent DWDM Trunk Card with CPAK Client Interface. The Cisco Network Convergence System 2000 Series (NCS 2000 Series) supports a wide variety of service line cards to efficiently aggregate and transport nearly any client signal over a metro, regional, or long haul DWDM infrastructure and offers full compatibility with the Cisco ONS 15454 MSTP.