CS5331  2.5 Gbps Multi-Service Access Switch brings ATM SAR and Traffic Manager services to the access market. When functioning as an ATM SAR, the CS5331 can perform full AAL5 segmentation and reassembly for two OC-12 full-duplex ports, as well as offer IP-to-ATM or Frame Relay-to-ATM internetworking. When functioning as a Traffic Manager the device can manage up to one million distinct flows, and can aggregate and switch IP, ATM, or MPLS traffic. Both host-side and line-side connections are provided by integrated SPI3 interfaces. The CS5331 is the industry's most flexible and fully-featured SAR and traffic manager solution for the access market.