Cisco's new family of multichannel port adapters heralds a new era for cost-effective and flexible WAN connectivity. The family of multichannel interfaces for the Cisco 7200 and Cisco 7500 Series routers reduces cost and enhances manageability of WAN links by: - Eliminating the need for any external channel service - units/data service units CSU/DSUs)) or multiplexers - Providing up to 128 software-configurable WAN connections per single-wide port adapter - Supporting channel bandwidth from 64kbps, nx64 kbps, to full T1 or E1. - Handling all major encapsulations, including Integrated Services Digital Network (ISDN) and Frame Relay