Smart Buildings Systems for Architects, Owners and Builders

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Chapter 10


Voice Networks


and Distributed


Antenna Systems


Overview


Wired telephone service in buildings or organizations has undergone a techno-
logical revolution over the last several decades. Beginning in the late 1970s,
large telephone systems used a technology called “time division multiplexing”
(TDM).


©2010 Elsevier, Inc. All rights reserved.
Doi:10.1016/B978-1-85617-653-8.00010-7

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