Terminology - Dell 3115cn Service Manual

3. Terminology

Line Types
• PSTN (Public Switched Telephone Network): Analog telephone network.
• If there is no switch on site, set the line type to PSTN.
• PBX (Private Branch Exchange): On-site switch that connects multiple analog telephones to a
single line to establish an in-house phone system.
• If there is a switch on site, set the line type to PBX.
Dial Types
• Tone (Push) Dial/Pulse Dial (10PPS)/Pulse Dial (20PPS): See 2.2 Telephone Call Connection
Mechanism
Other
• Branch Connection: To connect multiple telephones to a single line in parallel. Telephones and
FAXes may not function properly in this configuration.
Version 1 2006.11.21
Chapter 6 Principle of Operation (Fax)
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