Leading Vendors Agree to Expedite MCNS Interoperability Testing

Independent Developers to Begin Open Testing in January

ANAHEIM, Calif. Dec. 10, 1997 - Major manufacturers of data-over-cable solutions today announced their intent to conduct joint interoperability testing of the Multimedia Cable Network System (MCNS)-based cable modem and headend products. The companies desire to accelerate the global deployment of data communications over cable networks, based on the Data Over Cable Service Integration Specification (DOCSIS), as specified by the MCNS partners. Their efforts, in conjunction with Cable Television Laboratories, Inc., will promote multi-vendor participation within the industry and enable interoperability among multiple systems. Cable modem technology will provide businesses and households the ability to access the Internet and other high bandwidth data services with unprecedented speed.

The participating vendors include: 3COM Corporation, Bay Networks, Cisco Systems, Harmonic Lightwaves, NEC America, Phasecom and Toshiba.

Following their announcement in October to begin open interoperability testing, Bay Networks and 3COM engineers have drafted requirements and procedures to facilitate the testing of cable modems and headend products during development, and provide an opportunity for early identification of problems affecting multivendor interoperability. Technical staff from all participating companies will meet in January to contribute to the test plan and establish the initial product testing schedule.

This program is designed to complement the testing being conducted by CableLabs and to achieve a high degree of interoperability when submitting products to CableLabs for evaluation. Further, the results of interoperability testing will be made available to the MCNS development community in order to reduce the product development cycle for all vendors and accelerate the availability of cost-effective and interoperable data-over-cable products and services.

"We are very pleased to see these vendors come together toward the shared objective of interoperable systems," said Bob Cruickshank, director, digital network technologies for CableLabs. "Such cooperation bodes well for the growth of this industry and consumer choice, and is at the heart of CableLabs' intent and goals."

The DOCSIS protocols were initially drafted by the MCNS partners, and are supported by CableLabs. The objective of MCNS is to provide a non-proprietary data-over-cable standard to promote multi-vendor participation in the cable market, which is estimated at 65 million households in the United States.

"The industry's support of MCNS can only speed operators' deployment of end-to-end cable modem systems and enable subscribers to get online sooner," said John Dahlquist, vice president of marketing, Harmonic Lightwaves. "We will gladly work with other vendors to ensure the interoperability of all our products, which will give operators and consumers the freedom to choose."

"NEC America looks forward to being part of this joint interoperability testing," said Dr. Kunihiko Niwa, associate senior vice president of NEC America. "This will help expedite the process of delivering a standards-based MCNS cable modem to cable industry consumers, and permit high-speed access to the Internet as well other services."

"Mass deployment of cable modems in the United States is dependent on the availability of standards-based, interoperable, low cost cable modems," said Shaul Berger, president and CEO, Phasecom. "All of us are aware of network and interoperability issues that will drive this market. We are committed to working with each other to ensure true standards-based interoperability at both ends of the spectrum - the headend and the client modem," Berger said.

"With broad interoperability, consumers will be able to purchase a cable modem from a variety of vendors at a reasonable price with confidence that it will work on any MCNS cable system," said Sam Nalbone, vice president and general manager, Toshiba America Information Systems (TAIS) Inc., Multimedia Systems Division (MSD). "We are committed to universal interoperability and will take a very active role in this testing program."

About 3COM

3COM Corporation enables individuals and organizations worldwide to communicate and share information and resources at anytime from anywhere. As one of the world's preeminent suppliers of data, voice and video communications technology, 3COM has delivered networking solutions to more than 100 million customers worldwide. With global reach and local touch, the company provides enterprises, network service providers and carriers, small businesses and consumers with comprehensive, innovative information access products and system solutions for building intelligent, reliable and high performance local and wide area networks. 3COM has worldwide revenues of more than $6 billion and employs approximately 13,400 people in 45 countries. For further information, visit 3COM's World Wide Web site at http://www.3com.com.

Contact:  Brian D. Johnson
3COM Corp.
408-326-1962 
brian_d_johnson@3com.com

About Bay Networks

Bay Networks, Inc. (NYSE: BAY) is a leader in the worldwide networking market, providing a complete line of products that serve corporate enterprises, service providers and telecommunications carriers. The company offers frame and ATM switches, routers, shared media, remote and Internet access solutions, IP services and network management applications, all integrated by Bay Networks' Adaptive Networking strategy. With headquarters in Santa Clara, Calif., Bay Networks markets its products and services around the world, providing 24x7 support coverage. For additional information, visit the company's World Wide Web site at http://www.cisco.com.

Contact: Clare Whitecross
Cisco Systems
408-525-2957
cwhite@cisco.com

About Harmonic Lightwaves

Harmonic Lightwaves, Inc. is a worldwide supplier of highly integrated fiber optic transmission, digital headend and element management systems for the delivery of interactive services over broadband networks. These products are used by major communications providers, such as cable television operators, in bi-directional networks. Headquartered in Sunnyvale, Calif., Harmonic Lightwaves was founded in 1988 and employs over 240 people. An ISO-9001 certified company, Harmonic distributes its products internationally and maintains sales and support centers in Philadelphia, Pa. and the United Kingdom and an R&D facility in Caesarea, Israel. For more information, visit the company's World Wide Web site at http://www.harmonic-lightwaves.com.

Contact:  John Giddings
Harmonic Lightwaves
408-542-2692 
john.giddings@harmonic-lightwaves.com.

About NEC America

NEC America, Inc. develops, manufactures and markets a complete line of advanced communications products and software for public and private networks, including digital key telephone and PBX systems; ATM switching systems; PCS equipment; fiber optic transmission systems; data communications products; digital microwave radio; satellite communications and network management systems. NEC America, Inc. is an affiliate NEC America Corporation, a leading provider of cable products in Japan. NEC America Corporation and its affiliates worldwide are a $40 billion global leader whose 152,000 employees are dedicated to providing leading-edge computer, communications and semiconductor products and services. For more information visit the company's World Wide Web site http://www.nec.com.

Contact:  Frank Scaraglino
NEC America
516-753-7394 
scaraglf@ccgate.ml.nec.com.

About Phasecom

Phasecom Inc., based in Cupertino, Calif., is a privately held company specializing in the design, manufacture and marketing of voice and data communications products for CATV networks. The company develops standards-based cable modems that enable telecommunication and interactive multimedia applications over broadband HFC networks. Its customers include cable operators, telecommunications companies, and organizations that own private networks. For more information visit the company's World Wide Web site http://www.speed-demon.com.

Contact:  Yvonne Avery
Phasecom
408-777-7799
yavery@speed-demon.com.

About Toshiba

Toshiba, a world leader in high technology, is a manufacturer of products spanning information and communications systems. The company is dedicated to creating advanced systems and products, and is highly sensitive to changing needs and demands. Toshiba America is in every sense a U.S. based company. A $6.5 billion diversified electronics and high-technology enterprise employing nearly 8,000 people across the nation.

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