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To: elk who wrote (30208)	1/6/1998 10:48:00 AM
From: MangoBoy	Respond to of 31386

[Provisional Agreement Reached for HDSL2 Standard] ANSI T1E1.4 Committee Reached Provisional Agreement on HDSL2 Line Code, System Performance, Spectral Shaping, and Forward Error Correction SACRAMENTO, Calif., Jan. 6 /PRNewswire/ -- Level One Communications Inc. (NASDAQ:LEVL), ADC Telecommunications, Inc. (NASDAQ:ADCT), ADTRAN (NASDAQ:ADTN), PairGain Technologies Inc. (NASDAQ:PAIR), and the Siemens Semiconductor Group, recognized leaders in advanced telecommunications technologies, today announced agreement within the American National Standards Institute (ANSI) T1E1.4 committee on the basis of an HDSL2 standard. A provisional agreement, T1/E1 contribution number 41/97-471, has been approved marking a milestone within the ANSI HDSL2 standards effort. The elements agreed upon were line code, spectral shaping, system performance and forward error correction. These elements make up the core of the HDSL2 standard. The agreement reached is expected to accelerate the development of HDSL2 technology and promote industry interoperability. The HDSL2 standard proposal will enable service providers to deliver full T1, and potentially E1, performance over a single twisted pair cable, with the same reach, robustness and spectral compatibility of today's two pair HDSL. This will permit local exchange carriers and telecom service providers to meet rapidly increasing demands for business and Internet access services. About the Companies These five leading telecommunications companies bring extensive experience of over more than a decade in the deployment of DSL systems. They have driven DSL implementation and cost effectiveness and also possess the key technology required to define new DSL line codes and modulation schemes. All five have strong system simulation, DSL design expertise and implementation capabilities. Collectively they have demonstrated their leadership by presenting numerous technical papers at DSL standards organization meetings. Level One Communications Inc. Level One Communications provides silicon connectivity solutions for high-speed telecom and networking applications. These components are critical connecting links in today's telecommunication and data communication (LAN/WAN) networks and are the key building blocks for the Intranets and Internets of the future. Level One combines its strengths in analog and digital circuit design, with its communications systems expertise, to produce mixed-signal solutions with increased functionality and greater reliability, resulting in lower total systems cost. Level One Communications Inc. is ISO 9001 registered, illustrating the company's commitment to world-class standards and providing high quality products. Company headquarters are located at 9750 Goethe Road, Sacramento, CA 95827. For information on the company and its products, visit its site on the World Wide Web at level1.com. ADC Telecommunications, Inc. ADC Telecommunications, Inc. designs, manufactures and markets a wide variety of transmission and networking systems and broadband connectivity products for twisted pair, copper, coaxial, fiber optic and wireless broadband global networks. The company's products are used by telephone companies, other public network providers (such as wireless, broadcast and cable TV operators) and private voice, data and video network providers. ADC provides xDSL-based solutions with its Soneplex(R) and Cellworx(TM) system platforms. Additional information about ADC is available at its website, www.adc.com, or by calling the company at 800-366-3891, ext. 3223. ADTRAN ADTRAN was established in 1985 to design, develop and manufacture advanced transmission products for high-speed digital communications. ADTRAN is a primary provider of DDS, ISDN and HDSL digital loop products to the Regional Bell Operating Companies and many well known OEMs. For more information regarding ADTRAN and its products, call 800-326-3700, fax 205-971-8116, or E-Mail: info@adtran.com. ADTRAN can be found on the Internet at adtran.com Siemens Semiconductor Group The Siemens Semiconductor Group is affiliated in the U.S. with Siemens Microelectronics, Inc., based in Cupertino, Calif., offers one of the broadest product portfolios in the microelectronics industry, including communications ICs, microcontrollers, memory products, smart card ICs, wireless devices, power ICs and transistors, and optoelectronics. Along with a breadth of products, SMI works from a strong manufacturing and technology base to provide system solutions to its customers, especially in the communications, computer peripherals and automotive industries. SOURCE Level One Communications, Incorporated -0- 01/06/98 /CONTACT: Tamara Polahar of Level One, 916-854-4336, ortpolahar@level1.com; or Lynne High of ADC, 612-946-3136, or lynne_high@adc.com; or Laura Borgstede of ADTRAN, 919-468-1323, or lborgstede@bmwpr.com; or Jeff Davis of Siemens Microelectronics, 408-777-4909, or jeff.davis@smi.siemens.com/ /Web site: level1.com and adc.com and adtran.com

To: elk who wrote (30208)	1/6/1998 10:51:00 AM
From: MangoBoy	Respond to of 31386

[Sprint Uses SPEEDPORT for Charlottesville ADSL Trial Fujitsu's DSL Access Multiplexer Has Top Transmission Performance] RICHARDSON, Texas--(BUSINESS WIRE)--Jan. 6, 1998--For Sprint's trial of high-speed asymmetric digital subscriber line (ADSL) technology in Charlottesville, Virginia, the service provider chose the SPEEDPORT(TM) digital subscriber line access multiplexer from Fujitsu Network Communications, Inc. Sprint personnel involved in the trial praised SPEEDPORT's performance on less-than-perfect copper telephone lines. In the trial, Sprint extended a hospital's local area network and high-speed Internet access to several physicians' offices. This allowed the transfer of critical, high-resolution medical image files and other data from the hospital in seconds. "I was impressed that the new SPEEDPORT DMT (discrete multi-tone) modems had the highest transmission performance of all the systems we evaluated," said Mike O'Shea, project manager for Sprint's xDSL trial. "They operated despite very high levels of interference noise and enabled us to achieve megabit rates on long lines that were previously considered unsuitable for high-speed data transfer. "I particularly liked the high level of customer support and installation training provided by Fujitsu." The SPEEDPORT solution, jointly developed by Fujitsu and partner Orckit Communications (NASDAQ:ORCTF), is based on a common 23-inch shelf, designed for NEBS compliance. It accepts rate-adaptive SDSL and DMT ADSL modem line cards and features 72 SDSL lines or 48 DMT ADSL modems per shelf, with concentration and management interfaces. Customer modems have 10Base-T or ATM-25 interfaces. Both SDSL and ADSL modems support simultaneous voice telephone service. "This was an important trial, and the fact that Sprint chose the SPEEDPORT access multiplexer after a competitive evaluation attests to its technical superiority," said David Self, director of corporate business development at Fujitsu. "Our SPEEDPORT product is designed to handle a broad range of business and residential access needs. In this case, the full power of ADSL was needed to move medical images at a high speed. Another strength of the SPEEDPORT equipment is that it was also flexible enough to scale downward to lower bandwidths such as 384 or 768 kbps that may be more appropriate to residential users, or to serve users at greater distances from the central office." Fujitsu has developed a comprehensive business case for the SPEEDPORT product, showing telecommunications providers how to provide DSL service profitably at a range of access speeds. "Sprint has always demonstrated industry leadership in the development of new local services and applications" said Nigel Cole, vice president of business development for Orckit Communications, Fujitsu's partner. "In addition to testing higher speed Internet service, this experiment involved applications - such as fast medical data transfer - that could fully exploit the benefits of interconnecting LANs." Sprint is a global communications company - at the forefront in integrating long distance, local and wireless communications services and one of the world's largest carriers of Internet traffic. Sprint built and operates the United States' only nationwide all-digital, fiber-optic network and is the leader in advanced data communications services. Sprint has $14 billion in annual revenues and serves more than 16 million business and residential customers. Fujitsu Network Communications, Inc., designs and manufactures fiber-optic transmission and broadband switching platforms and develops software that allows customers to perform in-service management and monitoring of the telephone network. Its customers include local exchange carriers, interexchange carriers, competitive access providers and cable TV operators, as well as large private networks in North America. Fujitsu Network Communications is part of Fujitsu Limited, a $36 billion global technology leader in computers, communications and microelectronics. Product information is available by calling 800- 777-FAST. Its World Wide Web site is at fnc.fujitsu.com. Orckit Communications develops, manufactures and markets a wide range of high-speed local loop communications systems, including HDSL, ADSL, SDSL and VDSL. Orckit is an active participant in many standards bodies concerning ADSL. Orckit is a strategic partner of Fujitsu Network Communications, Inc., in North America. For more information about Orckit or its xDSL technologies, visit the company's World Wide Web site at orckit.com. SPEEDPORT(TM) is a trademark of Fujitsu Network Communications, Inc. CONTACT: Fujitsu, Richardson Kevin Tanzillo (972) 479-2055 k_tanzillo@fujitsu-fnc.com