Cisco Boosts ISDN Offering with New Platform Capabilities, Cisco IOS Software Features.SAN JOSE, Calif.--(BUSINESS WIRE)-- Feb. 6, 1995--Cisco Systems has enhanced the Integrated Services Digital Network Integrated services digital network (ISDN) A generic term referring to the integration of communications services transported over digital facilities such as wire pairs, coaxial cables, optical fibers, microwave radio, and satellites. (ISDN ISDN in full Integrated Services Digital Network Digital telecommunications network that operates over standard copper telephone wires or other media. ) capabilities of two of its platforms, adding an E1 ISDN Primary Rate Interface (PRI PRI: see Institutional Revolutionary party. (Primary Rate Interface) An ISDN service that provides 23 64 Kbps B (Bearer) channels and one 64 Kbps D (Data) channel (23B+D), which is equivalent to the 24 channels of a T1 line. ) to the Cisco 7000 core router family and an ISDN Basic Rate Interface (BRI See ISDN. BRI - Basic Rate Interface ) to its remote-site router/hub. The company also has added more ISDN-specific software features -- including E1 PRI signaling (used throughout the world except North American and Japan) and PPP (Point-to-Point Protocol) The most popular method for transporting IP packets over a serial link between the user and the ISP. Developed in 1994 by the IETF and superseding the SLIP protocol, PPP establishes the session between the user's computer and the ISP using data compression -- to its Cisco Internetwork Operating System (Cisco IOS). Philippe Brawerman, president of Cisco Europe, said the new ISDN functions expand on the major cross-platform ISDN thrust the company made last August, when ISDN capability was added to the Cisco 7000 and Cisco 4000 series and extended to more members of the Cisco 2500 router family. To date, Cisco has installed more than 25,000 ISDN-equipped routers, worldwide. "Cisco now offers a fully scalable ISDN solution that supports every environment from corporate headquarters, where a single Cisco 7000 can connect over 200 remote sites, to the smallest branch office, which can be linked to corporate using a stand-alone router, PC-based router or integrated router/hub," Brawerman said. He noted that the new E1 PRI capability for the Cisco 7000 "will move us strongly into the European market, where restrictive tariff structures on leased lines have led to the greatest demand anywhere for cost-effective ISDN links." Cisco 7000 Moves into Europe with E1 PRI ISDN E1 (2.048 Mbps) PRI support is implemented in the Cisco 7000 and Cisco 7010 core routers via a new channelized Refers to an architecture that transmits data in channels. It often refers to the 64 Kbps channels in T1 lines, which were originally developed to handle digitized voice streams (TDM). See TDM. E1 version of the MultiChannel Interface Processor (MIP MIP See: Monthly income preferred security ), a high-density WAN access card. The card, which supports one or two PRIs, operates in conjunction with E1 PRI signaling software that has been added to the Cisco IOS. This capability provides a high-density solution to ISDN B-channel concentration. A Cisco 7000 equipped with four dual-PRI MIP cards, for example, can connect as many as 240 remote locations to headquarters. The E1 PRI is fully compatible with Cisco's recently announced AccessPro PC Card router with ISDN BRI, as well as the entire line of Cisco's ISDN products, including the Cisco 2500 and 4000 families. The channelized E1 MIP, available immediately, is priced at $11,000 with one PRI, or $15,000 with two PRIs (U.S. list). Router/Hub Gains BRI without Sacrificing Synchronous Links A new version of Cisco's integrated Ethernet router/wiring hub offers an ISDN BRI port in addition to the unit's two synchronous serial ports, one asynchronous Refers to events that are not synchronized, or coordinated, in time. The following are considered asynchronous operations. The interval between transmitting A and B is not the same as between B and C. The ability to initiate a transmission at either end. port and 14 Ethernet repeated ports. Introduced in September 1994 as a single-box solution for remote access, the integrated router/hub combines local concentration of Ethernet devices (workstations, PCs or servers) with remote connectivity via a variety of WAN port types. Unlike competitive router/hub devices, Cisco's Model 2516 does not sacrifice its synchronous serial ports to gain ISDN functionality. A remote user whose primary link is ISDN BRI, for example, still can use one serial port for Frame Relay or T1 backup; the other serial port can run SDLC (Synchronous Data Link Control) The primary data link protocol used in IBM's SNA networks. It is a bit-oriented synchronous protocol that is a subset of the HDLC protocol. See SNA, DLC and Microsoft DLC. 1. or bisync to support terminal controllers and other legacy equipment. Available immediately, the Cisco 2516 integrated router/hub with BRI is priced from $3,795 to $6,095 (U.S. list), depending on the Cisco IOS feature set selected. Data Compression over ISDN Links Added to IOS (1) (Internetwork Operating System) An operating system from Cisco that is the primary control program used in its routers. IOS is widely used and robust system software that supports the common functions of all products under Cisco's CiscoFusion architecture. The Compression Control Protocol (CCP (Certified Computer Professional) The award for successful completion of a comprehensive examination on computers offered by the ICCP. See ICCP and certification. . 1. (language) CCP - Concurrent Constraint Programming. 2. ), a technique for compressing data over Point-to-Point Protocol (PPP) links such as leased lines or ISDN, is now a standard feature of the Cisco IOS. "Because ISDN is a circuit-switched technology, the user is charged based on the time the line is open," Brawerman said. "CCP compression reduces costs by shortening file-transfer time. It also reduces latency, leading to better real-time response." The Cisco IOS now supports routing over ISDN for the industry's broadest range of protocols: IP, IPX, AppleTalk, transparent bridging, DECnet Phase IV, OSI, Banyan VINES and XNS. Cisco will continue to enhance the Cisco IOS with a range of features aimed at allowing customers to build ISDN solutions using PPP multilink, X.25 over the D-Channel and Group O Type 4 connections (Digital 64S). The current range of hardware products will also be extended to provide further solutions for the telecommuter and service provider markets. Cisco in 1992 became the first company to incorporate a native ISDN interface on a multiprotocol router (the Cisco 3000). Today, ISDN interfaces are available on the Cisco 7000/7010 core routers (PRI), the Cisco 4000/4500 mid-range routers (BRI), the Cisco 2500 remote-access routers and integrated router/hubs (BRI) and the AccessPro PC router card (BRI). BRI uses one D channel and two B channels for circuit-switched communication of voice, data and video; PRI uses one D channel and 23 (U.S./Japan) or 30 (elsewhere) B channels. Cisco Systems, Inc. is the leading global supplier of enterprise networks, including routers, 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. and ATM switches, dial-up access servers and network management software. These products, integrated by the Cisco Internetwork Operating System (Cisco IOS) link geographically dispersed LANs, WANs and IBM networks. Cisco is headquartered in San Jose, Calif., and in the U.S. is traded under the 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 symbol CSCO CSCO Cisco Systems Incorporated (stock symbol) CSCO Chief Supply Chain Officer . CONTACT: Cisco Systems, San Jose Randall Sutherland, 408/526-8847 or Cisco Systems, United Kingdom Franck LeClercq, 44 81 818 1467 or Ulevich & Orrange, Inc. William Orrange/Janis Ulevich, 415/329-1590 REPEATS: New York 212-575-8822 or 800-221-2462; Boston 617-330-5311 or 80 |
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