Terms and Acronyms

• switch-card chassis (SCC)—A TX Matrix platform installed in a routing matrix.
• line-card chassis (LCC)—A T640 routing node installed in a routing matrix.
• routing matrix—A high capacity, multichassis routing platform that combines multiple T640 routing nodes with a TX Matrix platform switch fabric.
• TX Matrix platform—A high-speed centralized switch fabric that connects multiple T640 routing nodes in a routing matrix.
• Switch Interface Board (SIB)—On T640 routing nodes and the TX Matrix platform, a switch fabric plane component that forwards packets from a source Packet Forwarding Engine to a destination Packet Forwarding Engine in a routing matrix.