Many companies have made large investments in dense wavelength division multiplexing technologies to meet growing data and storage requirements. DWDM systems provided the first basic connectivity for ...

NEW YORK — Lightpath, the optical-carrier subsidiary of Cablevision Systems Corp. and the third largest local exchange carrier in the New York metropolitan area, is shifting from an all-Sonet network ...

Camarillo, Calif. – Vitesse Semiconductor Corp. has added 10 devices to its line of optoelectronic products, all designed for use in transceivers and transponders in next-generation OC-48 Sonet/SDH ...

We live in a virtual world where most of us have network access in our homes -- the Internet -- which is a virtual network. We access the virtual network with some form of TCP/IP connection that is ...

Cisco Systems Inc. this week further expanded its IP+Optical strategy with a product line designed to accelerate wavelength service delivery to buildings in a metropolitan-area network. The Cisco ONS ...

Line cards, especially Sonet/SDH transport line cards, have traditionally performed very few functions: terminating the line, monitoring and perhaps some low-level protection switching. Functionality ...

FRAMINGHAM, MASS. — Optical Ethernet start-up Atrica Inc. this week rolled out a high-end switch for the core of metropolitan-area networks (MAN) designed to overcome the limitations of current ...

Cisco this week extended the capabilities of its SONET transport platform by adding features that increase fiber capacity. At the Optical Fiber Communications (OFC) conference in Atlanta, Cisco ...

Hewlett-Packard Company (Palo Alto, California) and Ando Electric Co. Ltd (Tokyo, Japan) have signed an agreement to develop and market test instruments for the high-bandwidth DWDM and SONET/SDH ...