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About the System
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MERLIN LEGEND Communications System Release 5.0
System Manager’s Guide
555-650-118
Issue 1
June 1997
2
0
About the System
This chapter provides a general overview that introduces all of the major aspects
of the system and its operation, including:
■ Trunks
■ Modes of operation
■ System components
■ Features
■ Applications
■ Programming the system
■ System capacities
■ Auxiliary components
■ Data communications capabilities
More information about specific system topics is included throughout the guide.
The
Feature Reference
and
System Programming
provide detailed information.
Many of the principles of telephone communications have not changed since
Alexander Graham Bell made the first phone call in 1876. Because learning about
these concepts helps explain how the system works, this chapter begins with
some background information about telephone communications. For a more
detailed history and description, see Appendix B, ‘‘
About Telecommunications’’.
If you are already familiar with the concepts described in this chapter, you can
skip the chapter.