Centillion 100 6 Slot Switch Chassis with dual Power Supplies. Provides Ethernet, Token Ring, and ATM switching for higher-density wiring closets and small- to medium-sized network centers The Nortel Networks Centillion 100 LAN-ATM Switch provides Ethernet, Token Ring, and ATM switching on a single platform designed for deployment in high-density wiring closets and small- to medium-sized network centers. The Centillion 100 maximizes the life of installed Ethernet and Token Ring LANs while leveraging the scalability, performance, and rich application intelligence of ATM. The Centillion 100 LAN-ATM Switch offers multi-gigabit capacity, allowing it to boost the performance of LAN backbones and increase bandwidth to routers, servers, power desktops, and mission-critical applications. With a 6-slot chassis for switch module installation, the Centillion 100 Ethernet can support Token Ring and ATM modules