optical cross-connect


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optical cross-connect

A network device used by telecom carriers to switch high-speed optical signals (OC-3, OC-12, OC-48, etc.). It differs from a digital cross-connect in that it deals with multiple high-speed signals that are switched in their entirety and not multiplexed together.

Also known as "OXCs," optical cross-connects work entirely at the optical layer and may be able to operate without having to convert to electrical and back again. Tellium, Inc., a Bellcore spin-off acquired by Zhone Technologies (www.zhone.com) in 2003, introduced the first optical cross-connect in 1998. See digital cross-connect.
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References in periodicals archive ?
This switch is a non-blocking and all optical cross-connect fiber optic switch.
ZTE has been continuously boosting technological innovations in beyond 100G transmission, leading in system capacity, transmission performance, the optical cross-connect technology and O&M.
Keywords: elastic optical network, optical cross-connect, spectrum selective switch, routing and spectrum assignment
It can interconnect light links between the backbone network, realize optical cross-connect and wavelength routing and simultaneously access light and microwave signals.
Thylen, "Optical cross-connect system in broad-band networks: System concept and demonstrators description," J.
In the center, there is an optical cross-connect system and Foundry Networks core switching for the peering fabric.
The 12-channel parallel fiber transmitter and receiver pair is designed for use in applications such as board-to-board, rack-to-rack, and bay-to-bay links in optical cross-connect switches, terabit routers, VSR equipment, and high-speed computers.
This report shows for the first time that DWDM, Optical Add/Drop Multiplexing (OADM), and Optical Cross-Connect Systems (OCS) are likely to enjoy significant market penetration in both the long distance and local telephone companies.
Optical cross-connect system for survivable optical layer networks, Hitachi Review, 47(2): 85-90.
Lacey 2002, "Optical cross-connect and add/drop multiplexers: technologies and applications", (Tutorial), WT1, 83 IST OPTIMIST consortium: Technology Trend Documents, (www.ist-optimist.org) pp.83-86.
According to Alcatel-Lucent, it is using its optical cross-connect and multi-service technologies to upgrade and expand the operator's current network, improving its backhaul capacity and aggregation functionality.
Products in the demonstration included user network interface, protocol-compliant optical cross-connect switches, wavelength routers, metro optical devices, IP/MPLS routers, ATM switches, SONET/SDH multiplexers and other parts of the optical transport network.

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