line card

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line card

A 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.

In a user's desktop or laptop computer, the counterpart of the line card is the network adapter (see network adapter).

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ATU
line
modular chassis

network adapter
port
silo

Together with Infineon's recently announced STS-768 MUX/DEMUX chipset, the 40G framer-mapper, offers high-level integration and feature rich functionality to address high-density line card applications for the 10G and emerging 40G markets.

INFINEON ANNOUNCES FIRST SINGLE CHIP 40G FRAMER-MAPPER by EDP Weekly's IT Monitor

ZyXEL's new POTS/VoIP line card works in conjunction with ZyXEL's IES 5000 and IES 5005 chassis-based Multiple Service Access Platforms (MSAP) and is targeted to telcos looking for an easier way to offer the benefits of a VoIP architecture to its customers.

ZyXEL Introduces POTS/VoIP Line Card for Multi Service Access Platform by Business Wire

ACS8946 and ACS8944 Designed for Line Card Speeds up to OC-12/STM-4; ACS8946 Has Reference Switch for a Budgetary SETS Solution

Semtech Adds Jitter Attenuating and Multiplying PLL Devices for ... by Business Wire

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