type of cable that consists of two unshielded wires twisted around each other. Shielded Twisted-Pair- Twisted pair cabling is a type of wiring in which two conductors (the forward and return conductors of a single circuit) are twisted Fiber-Optic Cable- a cable made of optical fibers that can transmit large amounts of information at the speed of light. Dark Fiber- Dark fiber or unlit fiber (or fiber) is unused optical fibers, available for use in fiber-optic communications Coaxial Cable- a transmission
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to a network. The modem is essentially a converter in that it can convert analog cables to digitals ones and vice versa. The analog signals come from a telephone wire that is inserted in the modem and the digital signals are what the computer sends out, the signals need to be converted because a digital to digital connection is not possible with a modem. There are generally three types of modems, dial-up, DSL, and cable. Dial-up internet connections where the user’s computer is connected
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share the circuit with the others. The disadvantage is that only one computer can use the circuit at a time. When one computer is sending or receiving data, all others must wait. The advantage of multipoint circuits is that they reduce the amount of cable required and typically use the available communication circuit more efficiently. Imagine the number of circuits that would be required if the network in Figure 3.2 was designed with separate point-to-point circuits. For this reason, multipoint configurations
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such as DSL and cable internet, So currently you are using a standard that has been out of date for the last 12 years so lets look at what some of your alternatives are. DSL Digital subscriber line (DSL) is a family of point-to-point technologies designed to provide high-speed data transmission over traditional telephone lines.2 The reason for the limited capacity on traditional telephone circuits lies with the telephone and the switching equipment at the end offices. The actual cable in the local
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Adelphia Communications: A Family’s Power It started as a striving business dedicated to providing cable service to the public. What became of Adelphia Communications would be just another example of the vicious act known as fraud. Fraud is the intentional act of misleading others about financial information for profit, personal gain, or other dishonest advantage. As the new millennium dawned 14 years ago, we saw an unraveling of numerous fraudulent activities by organizations large and small
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order. First, connect the coax cable (or phone cable for DSL modems) from the wall to the modem. Second, connect an Ethernet cable from the modem to the “WAN” jack on the router. Power on modem then router: Connect the power cable from the wall to the modem. Next, connect the power cable for the router. Wait a minute or 2 to for it to start up completely. Connect computer and login to router: Connect computer to the router using an Ethernet cable. Connect the cable form the input on the computer
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3. GENERAL INFORMATION 1.1 1.2 1.3 1.4 DESCRIPTION IDENTIFICATION DAMAGE DAMAGE CLAIM PROCEDURE INSTALLATION 2.1 2.2 2.3 2.4 2.5 GENERAL INFORMATION INSPECTION PRE-TEST DATA CABLE INSTALLATION ELECTRICAL CONNECTIONS KEYPAD CONSOLE OPERATION 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13
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fees that networks charge cable providers so that they may air their channels. “Comcast programming cost made up 38% of its cable communication division total operating cost in 2014.” (Sheffer, 2015) “Today about 45 cents of every dollar of your monthly bill for cable television goes to the programmers whose channels we carry.” (WOW, n.d.) For consumers to receive these channels, Comcast needs to provide infrastructure. Infrastructure is a large portion of costs of cable services. “A total of $216
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Chapter 3: Transmission Basics and networking media Transmission Basics Transmit: to issue signals along a network medium such as a cable. Transmission: Refers to either the process of transmitting or the progress of signals after they have been transmitted. * Analog and Digital Signaling: * On a data network, information can be transmitted via one of two signaling methods, analog or digital. * Voltage: the strength of an electrical signal * Analog: * One benefit to
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UTP is used for LAN’s as well as phone lines. Coaxial cables are also useful for internet connection. 7.1.4 Satellite is a way of creating a network over long distances. WiMAX, is a standards-based technology enabling the delivery of last mile wireless broadband access as an alternative to cable and DSL. HSPA+, enhances the widely used WCDMA (UMTS) based 3G network with higher speeds for the end user. 7.1 Review 1) UTP and Coaxial cables can be used if signal enhancers are placed at correct
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