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ADELPHIA COMMUNICATIONS ANNOUNCES PASSIVE CABLE NETWORK ARCHITECTURE

 COUDERSPORT, Pa., March 1 /PRNewswire/ -- Adelphia Communications Corporation (NASDAQ-NMS: ADLAC) announced today the rebuild of the system it manages and operates in Syracuse, N.Y., employing a 750 Mhz Passive Cable Network Architecture (PCNA).
 This network will deploy fiber much more deeply into the network than a conventional fiber-to-feeder design, will involve no coaxial amplifiers, and will have full two-way capability. Adelphia said it believes that advantages of PCNA involve enhanced reliability, improved operational simplicity, additional return path capability, and easier bandwidth expansions in the future.
 The Syracuse design will involve home run fiber construction to optical receivers feeding pockets of approximately one mile of coaxial plant. Adelphia said it expects the costs of this network to be approximately the same as a 750 Mhz fiber-to-feeder design. According to Dan Liberatore, vice president of engineering at Adelphia, "As adding successive increments of bandwidth through coaxial technology becomes increasingly difficult and as optical electronics become better and less expensive, the movement of fiber closer to the home becomes more attractive." Adelphia engineers noted, though, that they are still working to determine if PCNA is economical in less urban environments.
 Dan Whelan, director of Telecommunications Division of the New York State Commission on Cable Television, stated, "This design is approaching the optimum engineering balance for fiber and coax technologies.... This design will give the City of Syracuse what will rank among the most advanced and flexible system designs we have seen to date."
 Tim Henderson, general manager of the Syracuse system, noted, "We are excited to bring this cutting-edge network to the city of Syracuse. This positions us well to meet the entertainment, communications and information needs of the Syracuse public for many years to come."
 The Class A common stock of Adelphia is traded under the symbol "ADLAC," on the NASDAQ National Market System.
 /delval/
 -0- 3/1/93
 /CONTACT: Daniel R. Liberatore, vice president of engineering of Adelphia Communications, 814-274-9830/
 (ADLA)


CO: Adelphia Communications ST: Pennsylvania, New York IN: TLS SU:

CC-MK -- PG012 -- 1475 03/01/93 13:47 EST
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Publication:PR Newswire
Date:Mar 1, 1993
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