ADTRAN Takes the Lead On Development of HDSL4 Technology; HDSL4 Will Complement HDSL2 by Allowing Repeatered Deployment.Business Editors & Technology Writers DSLcon Spring 2001 Booth 511 HUNTSVILLE, Ala.--(BUSINESS WIRE)--April 11, 2001 ADTRAN, Inc. (NASDAQ NASDAQ in full National Association of Securities Dealers Automated Quotations U.S. market for over-the-counter securities. Established in 1971 by the National Association of Securities Dealers (NASD), NASDAQ is an automated quotation system that reports on :ADTN ADTN Administrative Data Transmission Network ADTN Administrative Data Telecommunications Network ), a major technical contributor to the HDSL See DSL. HDSL - High bit-rate Digital Subscriber Line 2 (T1.418) standard, is taking the lead in the development of the technology's four-wire counterpart, HDSL4. The new technology complements HDSL2 by extending reach to customer circuits that extend beyond the CSA (1) (Canadian Standards Association, Toronto, Ontario, www.csa.ca) A standards-defining organization founded in 1919. It is involved in many industries, including electronics, communications and information technology. range. HDSL4 is optimized for DS1 transport and allows repeatered deployment for additional reach while maintaining full compliance with the Spectrum Management Standard (T1.417). The T1.417 standard specifies an allowable level of crosstalk that new technologies may generate when deployed with ADSL See DSL. ADSL - Asymmetric Digital Subscriber Line and other DSLs. "Extending the reach of DS1 service delivery in a spectrally friendly manner is essential to local service providers. HDSL4 promises to be a great alternative," said Tom Starr of SBC. ADTRAN was heavily involved in the development of the HDSL2 standard, which was approved in year 2000. ADTRAN is presently serving as editor for Issue 2 of that standard, which will define HDSL4. "Through our leadership in the HDSL2 and G.shdsl standard developments, ADTRAN has demonstrated its commitment to developing fully-functional, open industry standards. In order to promote the expedient and complete development of the HDSL4 standard, we felt it was important to accept the responsibility of editorship for Issue 2 of T1.418. We are actively working to complete the standard and expect it to be finalized later this year," said Kevin Schneider, ADTRAN's VP of Technology. ADTRAN offers a full line of HDSL4 products including H4TU-Cs, HDSL4 repeaters, and H4TU-Rs, all designed for easy upgrade from HDSL 2B1Q or traditional T1 services. Supported form factors include ADTRAN's Total Access broadband access platform, C.I./Wescom 3192, WECO 220, and Lucent DDM (Distributed Data Management) Software in an IBM SNA environment that allows users to access data in remote files within the network. DDM works with IBM's LU 6.2 session to provide peer-to-peer communications and file sharing. See also distributed database. Plus. Visit ADTRAN in Booth No. 511 at DSLcon Denver, Colorado Convention Center The Colorado Convention Center is a multi-purpose convention center in downtown Denver, Colorado which recently underwent a major expansion. The expansion added 600,000 sq. feet of space and a 5,200 seat concert hall. The total area of the convention center is 1.2 million sq. feet. , April 10-12, 2001. About ADTRAN ADTRAN, Inc. is an established supplier of advanced transmission products for today's expansive telecommunications networks. Widely deployed in carrier, CLEC, enterprise and global networks worldwide, ADTRAN products support all major digital technologies, including fiber, T3, T1, E1, wireless T1/E1, ATM, Frame Relay, G.shdsl, SDSL, HDSL, HDSL2, ISDN ISDN in full Integrated Services Digital Network Digital telecommunications network that operates over standard copper telephone wires or other media. , and DDS (1) (Digital Data Storage) See DAT. (2) (Data Dictionary System) See QuickBuild and OpenDDS. (3) (Dataphone Digital S . According to Gartner/Dataquest and IDC, ADTRAN has gained the leading market position in enterprise integrated access devices and HDSL, while maintaining its leadership position for the fourth year in a row in T1 and subrate CSU/DSUs, Frame Relay/DDS extension, and ISDN extension. ADTRAN equipment serves the major Incumbent Local Exchange Carriers, interexchange carriers, ISPs, Competitive Local Exchange Carriers, international service providers, public and private enterprises, and original equipment manufacturers. For more information, contact the company at 800/9ADTRAN (800/923-8726) or via e-mail at info@adtran.com. On the web, visit www.adtran.com. |
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