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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