The Cisco 3600, installed with the digital modem network modules, offers the most flexible, scalable, manageable, and high-performance dial access solution available in the market today. These new network modules utilize either the single or dual PRI network module, the 4 and 8 port BRI Network Modules, or the mixed media Fast Ethernet/PRI network module to offer support for up to 90 remote modem users (using two digital network modules), at speeds up to 56 kbps. Each network module supports up to 30 digital modems. Flexible LAN topologies including Ethernet, Fast Ethernet, and Token Ring are supported.