line card


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Acronyms, Wikipedia.

line card

A printed circuit board that provides a transmitting/receiving port for a local area network (LAN) or a carrier's telephone or wide area network (WAN). Line cards plug into telephone company switches and high-end routers, which have a modular chassis that accepts a range of cards.

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 a circuit on the motherboard or a plug-in network card (see network adapter).
References in periodicals archive ?
In France this new line card will equip European hotel guests with very fast Internet access in addition to other valuable services such as VOD, IPTV and Broadcast TV," said Emmanuel Hardy, Vice President of Business Development of Netlogon, a European distributor for Tut's products.
Supporting ports of larger rates should require only the development of new line cards, leaving the rest of the system intact.
Latest Gigabit and 10 Gigabit Ethernet Line Cards Incorporate Flexible Pluggable Transceiver Modules
Sorrento's OET line card collapses multiple pieces of equipment into one WDM line card that offers multiplexing, electrical ROADM-like functionality, switching and protection, thereby greatly reducing capital expenditures and improving efficiency for all Ethernet transport applications.
The new POTS/VoIP line card supports all network signaling protocols, digital signal processing and an IP packetization mechanism based on open standards that include SIP and H.
Drava offers up to a 50 percent reduction in cost, power and real-estate for Metro and Edge-based MSPPs line card applications via the implementation in 0.
Nasdaq:SMTC), a leading supplier of analog and mixed-signal semiconductors for communications, portable devices, computers, and industrial equipment, today announced the ACS8946 and ACS8944 jitter attenuating and multiplying (JAM) phase lock loop (PLL) devices for generating low jitter output clocks for low-cost SONET/SDH and Gigabit Ethernet line cards.
NASDAQ:ZHNE), a global provider of advanced communications equipment and a leader in VoIP, IPTV, and Ethernet over both copper and fiber access lines, announced today the introduction of the GMFC4 line card to its existing GigaMux 6400 optical transport product line.
The EN6210 Fabric Manager is a 10 Gbps single chip line card solution, the EN6220 Fabric Manager is a 20 Gbps single chip line card solution and the EN6240 is a 40 Gbps single chip line card solution.
The potential use of one to four NP-2 devices per line card and 10-12 line cards per chassis represents a strong market opportunity for the NP-2 in the Carrier Ethernet space.
The fabric managers, residing on the line card in a typical system topology, support 10, 20, or 40 Gbps line card configurations and can be combined to achieve higher density 80, 120 and 160 Gbps implementations.
Currently in early customer engagements, Ciena's CN 4200 multi-degree ROADM is an in-service upgrade to the existing CN 4200 platform through use of a universal line card that routes any wavelength or combination of wavelengths to any port on demand.