NT 1310 Unit 1 Assignment 1

Topics: Telephone, Local loop, Telecommunication Pages: 2 (663 words) Published: June 27, 2015
1) Describe a local land line phone system based on the following Landline Telephone Components: a. Local Loop: A wired connection from a telephone company’s central office in a locality to its customers home or business. A pair of coper wires called twisted pair is usually the connection. b. Central Office: An office responsible for providing certain services to a local loop with calls and signaling. c. Local Exchange: System of devices and or switches that direct the local calls. d. POP: Point of Presence or POP is the location or interface point of the communicating party. e. Long Distance System: A service making long distance phone calls. In the past this would be done by several switchboards that span to different locations. Today this is done direct. f. Fixed Line: A telephone that is physically connected to a local loop by a telephone line and is also sometimes called a landline.

2) Define and describe the following Telecommunications Network Components: a. Cellular Telephones:
I. Voice: Voice calls are transmitted wirelessly. The call is transmitted over radio waves to a cellular tower which then routes the call through the service provider which is then sent to the party on the other end. II. Data: Commonly called mobile internet, data is sent over radio waves in 3G or 4G connections. The Data is streamed over the phone similar to the way the internet connects to a computer. b. Telephone Network Topology:

I. Demarcation Point: The point that defines the end of a telephone company’s wiring and the beginning of your wiring. This marks where the telephone company’s responsibility for maintenance ends. This end contains a surge suppressor that helps protect the wiring and connected equipment from damage. II. Equipment: The signal from the inside wiring must be transferred to the local loop at the optical network terminal. If the telephone service provider also provides internet and TV then other devices such as modems may be included. III. Access...
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