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8 <br /> Gb/s. Future versions of this switch are the closest independent company switch <br /> expected to support a total capacity of <br /> approximately 160 Gb/s. 622 Mb/s user Full customer service will begin on August <br /> interfaces (SONET 0C-12c) will be 1st. Feature enhancements and hardware <br /> available by,the end of 1994. Along with upgrades will take place during the year, <br /> the ATM switches, each telephone company with final upgrades scheduled to complete <br /> is also deploying video multipoint control by November 1994. In addition to the full <br /> units (MCUs) supplied by Northern ATM switches, approximately eight <br /> 'Telecom These MCUs act as a adjunct to Broadband Remote Line Concentrators <br /> the ATM switch in order to provide many (BRLCs) will be deployed in smaller <br /> video related features that cam* be communities initially. These BRLCs serve <br /> performed by the ATM swig For multiple sites in a community, and support <br /> example, continuous presence audio and concentration in the umbilicals back to the <br /> enhanced control features are provided via host ATM switches. This feature helps <br /> the MCUs. Quad-splitters are also provided reduce the initial investment in transmission <br /> with the MCUs in order to view up to four equipment while supporting a graceful <br /> locations on a single monitor. The nine migration plan. The BRLC can be upgraded <br /> initial switches are located as follows: in the future to become a stand alone ATM <br /> switch. Interexchange carriers will provide <br /> BellSouth: SONET links between LEC ATM switches. <br /> Asheville, Charlotte, Greensboro, <br /> Raleigh, Wilmington The local telephone companies have worked <br /> together as a team in order to meet the needs <br /> Carolina Telephone: of our customer in the most cost effective <br /> Greenville, Fayetteville way. For example, a site in the serving area <br /> of one company may connect to an ATM <br /> GTE: switch of another company if that is the <br /> Durham, Research Triangle Park most cost effective solution. In any event, <br /> the NCIH must perform as a cohesive <br /> A consoatiten of independat telephone netw do with company boundaries being <br /> companies is in the process of designing and transparent to the customer. <br /> deploying a network to save sites in many <br /> of their franchise areas. These switches will The customer interface is a single mode <br /> interface to BellSouth, Carolina Telephone, fiber termination. During the initial <br /> and GTE switches using a standard Netwodc deployment, each customer will purchase a <br /> to Network Interface (NM). Due to the Fujitsu Service Multiplexer for use at their <br /> aggressive deployment schedule of the premises. The service multiplexer provides <br /> project,the initial independent company sites a very important aspect of the evolution <br /> are planned to be saved from the closest plan. It interfaces with the network <br /> FETEX 150 switch. Once interoperability optically, then converts the 155 Mb/s <br /> between the independent company switch(es) SONET/ATM signal into a variety of service <br /> and the Fujitsu switches is verified, the specific inter to be connected to non- <br /> serving independent company will have the ATM equipment. The two interfaces to be <br /> option of moving their sites to save from supported initially are a DS3 circuit <br /> 7 <br /> 1 <br />