12-Port DS-3 TDM Line CardIn response to higher bandwidth and capacity demand, carriers and Internet service providers (ISPs) are now offering DS-3 (45 Mbps) dedicated access connections. For service providers looking to simplify the deployment and delivery of DS-3 leased-line services with Cisco 12000 Series Internet routers, Cisco Systems offers the DS-3 Line Card with ECC.12DS3-SMB-B: Cisco 12-Port DS-3 Time-Division Multiplexing (TDM) Line Card with EMC ControlCenter (ECC)Interfaces/Ports 12 x DS-3Interfaces/Ports Details 12 x SMB Duplex Connector DS-3Compatibility: Cisco 12404, Cisco 12006 ,Cisco 12406 ,Cisco 12010, Cisco 12410, Cisco 12810, Cisco 12016, Cisco 12416, Cisco 12816
