ADTRAN Displays High-Speed Digital Communications Products at SuperComm.HUNTSVILLE, Ala.--(BUSINESS WIRE)--June 2, 1997--ADTRAN, Inc. (Nasdaq:ADTN ADTN Administrative Data Transmission Network ADTN Administrative Data Telecommunications Network ) will display its latest high-speed digital communications products for telcos in booth no. 2449 at SuperComm to be held June 3-5 in New Orleans. Respectively, technologies will be featured that establish Frame Relay connectivity utilizing DSL and existing equipment, that extend the repeaterless deployment of DDS (1) (Digital Data Storage) See DAT. (2) (Data Dictionary System) See QuickBuild and OpenDDS. (3) (Dataphone Digital S services, and deliver HDSL See DSL. HDSL - High bit-rate Digital Subscriber Line more cost-efficiently without reducing the range or quality of service. The FramePort 144 and FramePort 768 are access concentrator cards for establishing Frame Relay connectivity utilizing DSL (digital subscriber line See DSL. (communications, protocol) Digital Subscriber Line - (DSL, or Digital Subscriber Loop, xDSL - see below) A family of digital telecommunications protocols designed to allow high speed data communication over the existing copper telephone lines between end-users and ) technologies. The cards make use of the telco's existing copper base and can be plugged into existing D4 channel banks, where they create a high-port density that allows the telco to serve more subscribers while achieving lower per-port costs. Support for multiple PVCs (permanent virtual circuits) also eases the complexities of establishing multi-site connectivity for customers. FramePort 144 is based on ISDL ISDL ISDN Digital Subscriber Line ISDL International School of Dravidian Linguistics (India) ISDL Inter Site Data Link ISDL Interim SLAR Data Link (ISDN ISDN in full Integrated Services Digital Network Digital telecommunications network that operates over standard copper telephone wires or other media. DSL) technology. Each FramePort 144 card offers four 144 kbps interfaces using 2B1Q technology. By placing up to 24 FramePort 144 cards in a standard D4 channel bank, a total of 96 subscribers can be supported with a single, non-channelized T1 link. FramePort 768 is based on SDSL See DSL. SDSL - Single-line Digital Subscriber Line (Symmetric or Single-Loop DSL) technology. Each FramePort 768 card offers a single SDSL interface to achieve up to 12:1 data concentration. FramePort 768 cards can be placed in a standard D4 channel bank supported by a single, non-channelized T1 link. The FramePort technology also helps effectively address the data and voice traffic congestion The condition of a network when there is not enough bandwidth to support the current traffic load. congestion - When the offered load of a data communication path exceeds the capacity. on public switched telephone networks (PSTNs), caused by the growing demand among businesses for high-speed Internet and remote LAN (Local Area Network) A communications network that serves users within a confined geographical area. The "clients" are the user's workstations typically running Windows, although Mac and Linux clients are also used. access. Previously, offsetting the burden of data transmission on the PSTN has typically required upgrading switches or purchasing additional transmission equipment to re-route data. With the FramePort technology, telcos can offer higher-speed connectivity to business users at a fraction of the cost of dedicated services. Both the FramePort 144 and FramePort 768 include embedded SNMP (simple network management protocol) for integration with existing frame switch technologies, offering easy installation and centralized management of data delivery. ADTRAN (NASDAQ: ADTN) was established in 1985 to design, develop and manufacture advanced transmission products for high-speed digital communications. Today, ADTRAN is a primary provider of DDS, ISDN, T1/FT1 and HDSL digital loop products to Regional Bell Operating Companies and many well-known OEMs. Its broad selection of customer premise products includes a complete line of DSU/CSUs, a variety of ISDN extension and network terminating products, and flexible T1 multiplexers. For more information about ADTRAN and its products, call 1-800-326-3700 (voice); 205-963-8116 (fax); or via e-mail at info@adtran.com. CONTACT: Baron, McDonald & Wells Laura Borgstede, 770-492-0373 Lborgstede@bmwpr.com (e-mail) or ADTRAN Stacy Thomas, 205/963-8488 sthomas@adtran.com (e-mail) |
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