The Cisco uBR-MC16U cable interface line card is one of the new broadband processing engine (BPE) series of cable interfaces that is available for the Cisco uBR7246VXR universal broadband router. The BPE cards provide increased performance and advanced radio frequency (RF) management, as well as innovative, integrated tools for sophisticated content, traffic, and network management.The Cisco uBR-MC16U card has one downstream port and six upstream ports, organized into a single DOCSIS MAC domain. Cisco UBR-MC16U card - each downstream port includes an onboard integrated upconverter that generates an RF signal suitable for connection to a combiner and transmission on the coaxial cable network, without the need for any external upconverters.