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
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components and report back to your supervisor ‚ the Telecommunications Manager‚ within a week. 1. Describe a local land line phone system based on the following Landline Telephone Components: a. Local Loop The local loop is the physical wiring that connects you to the public switched telephone network (PSTN). This line can be a voice line‚ or it can be a data line. The physical wiring for the local loop consists of a pair of twisted copper wires that run from the telephone company’s central office to the
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Telecommunications 1. Describe a local land line phone system based on the following Landline Telephone Components. a. Local Loop - consists of twisted pair copper cables with a maximum length of three miles. It is a physical link from the customer to the service provider’s network; the local loop terminates in a circuit switch housed in a local exchange carrier or telephone exchange. b. Central Office - a building used to house the inside plant equipment including support for up to 20 local exchanges‚ each serving
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transmission The local loop (also referred to as a subscriber line) is a twisted pair cable or circuit (cable) that connects from the demarcation point (house/building) of the customer premises to the edge of the service provider maximum of 3 miles. A central office (CO) is an office in a locality to which subscriber home and business lines are connected on through a local loop The central office has switching equipment that can switch calls locally or to long-distance carrier phone offices. Local exchanges
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This makes DSL economically interesting for the local telephone companies. They can offer customers high speed data services even before switching to fiber-optics. DSL is a newly standardized transmission technology facilitating simultaneous use of normal telephone services‚ data transmission of 6 M bit/s in the downstream and Basic- rate Access (BRA). DSL can be seen as a FDM system in which the available bandwidth of a single copper-loop is divided into three parts. The base band occupied
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network (PSDN) is a publicly-available packet-switched network‚ distinct from the PSTN. Originally this term referred only to Packet Switch Stream (PSS)‚ an X.25-based packet-switched network‚ mostly used to provide leased-line connections between local area networks and the Internet using permanent virtual circuits (PVCs). Today‚ the term may refer not only to Frame Relay and Asynchronous Transfer Mode (ATM)‚ both providing PVCs‚ but also
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Network Services : BSNL is providing complete Telecom Services Solution to the Enterprise Customers i.e.MPLS Connectivity‚ Point to Point Leased Lines and Internet Leased Lines . • Universal Telecom Services : Fixed wireline services and landline in local loop (WLL) using CDMA Technology calledbfone and Tarang respectively. As of 30 June 2010‚ BSNL had 75% marketshare of fixed
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dispersed locations with relatively small changes to the existing telco infrastructure. xDSL services are dedicated‚ point-to-point‚ public network access over twisted-pair copper wire on the local loop (last mile) between a network service provider’s (NSP) central office and the customer site‚ or on local loops created either intrabuilding or intracampus. Currently‚ most DSL deployments are ADSL‚ mainly delivered to residential customers. This chapter focus mainly on defining ADSL. Asymmetric Digital
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service is big business. The service which used to be dominated by groups of nerdy computer whizzes using equipment in someone ’s basement is now being provided by many telephone companies‚ large on-line services and may soon be available from you local cable company. Computer users are an impatient group. They are starving for a faster way of connecting to the net. Until now home users have had to suffer with the slow connections available with analog modems or spend a relatively large amount
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CYBER TERRISOM INTRODUCTION: Cyberterrorism is the use of Internet based attacks in terrorist activities‚ including acts of deliberate‚ large-scale disruption of computer networks‚ especially of personal computers attached to the Internet‚ by the means of tools such as computer viruses. Cyberterrorism is a controversial term. Some authors choose a very narrow definition‚ relating to deployments‚ by known terrorist organizations‚ of disruption attacks against information systems for the primary
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