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line card |
Also found in: Wikipedia | 0.03 sec. |
line cardA printed circuit board that provides a transmitting/receiving port for a particular wide area network (WAN) or local area network (LAN) protocol. Line cards plug into telephone company switches and high-end routers. A line card implies that the unit has a modular chassis that can be expanded by adding more cards and/or that it supports multiple network protocols. Small and medium-size routers have a fixed number of ports, typically Ethernet, and the line card circuitry is built into each port. |
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Using the PM8320 TEMUX 84E3 high-density framer/mapper/multiplexer device in a line-card design expands its worldwide versatility with the addition of E3 mapping into SONET/SDH and DS3 into SDH. The TeraPacket Reference Blade provides a full-featured, interoperability-tested TeraPacket-based line-card incorporating two 10Gbps channels. nbsp;density device, to address next-generation universal line-card designs in communications applications. |
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