Incoming Trunks
Telephone
Incoming Trunks
Company
MERLIN
LEGEND
Communications
System
Control Unit
Telephones
and Other
Equipment
MERLIN
LEGEND
Applications
Auxiliary
Components
Figure 2–6. Incoming Trunks
Telephone Company
Central Office
(CO)
Loop-Start Trunk
Ground-Start Trunk
Digital Facility
2–15
About the System