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MERLIN LEGEND Communications System Release 6.0
System Manager’s Guide
555-660-118
Issue 1
February 1998
About the System
Page 2-3Background
2
The next sections briefly describe the evolution of telephone equipment and
switching. For more information, see Appendix B, “About Telecommunications.”
Figure 2–1. The Local Loop
Telephone Company
Central Office
(CO)
Customer
Premises