Telephone Call Connection Mechanism; Analog Telephone Network - Fuji Xerox DocuPrint M355df Service Manual

Chapter 10 Principle of Operation

10.2 Telephone Call Connection Mechanism

10.2 Telephone Call Connection Mechanism

10.2.1 Analog Telephone Network

To make a telephone call, the calling party and called party each must have a telephone set (telephone).
These telephones must be connected by a transmission route. The transmission route includes switches
located in central offices. The route itself comprises various components such as metallic cable and optical
cable. The entire transmission path between the two telephones is called an analog telephone network.
An analog telephone network comprises the following four parts:
Analog Telephone Network Configuration
Telephone set Switch Switch Telephone set
Subscriber line Transmission route Subscriber line
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Switching Equipment Network
Tandem switch
Telephone set
Local switch
Local switch
Tandem switch
Telephone set
Tandem switch
Local switch
Local switch
Telephone set
Telephone set
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