Preview

Internet Acess Through Cable Tv Network

Powerful Essays
Open Document
Open Document
5145 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Internet Acess Through Cable Tv Network
CHAPTER 1
INTRODUCTION

The term ‘Cable Modem’ is quite new and refers to a modem that operates over the ordinary cable TV network cables. Basically you just connect the Cable Modem to the TV outlet for your cable TV, and the cable TV operator connects a Cable Modem Termination System (CMTS) in his end (the Head-End). Actually the term "Cable Modem" is a bit misleading, as a Cable Modem works more like a Local Area Network (LAN) interface than as a modem. Cable modems allows consumers access to the Internet at higher speeds and at a fraction of the time it takes traditional telephone modems.

This is true for two reasons:
1) Broadband networks make the connection up to a hundred times faster
2) The service is "always on," meaning customers get the information they want, when they want it.
Unlike telephone modems, cable modems allow consumers to keep their telephone lines open for voice conversations.

1.1 IMPORTANT TERMS A short list of some of the technical terms and acronyms that you may come across in trying to understand the cable modem world.
CATV: Community Antenna Television or Cable TV system. Can be all coaxial or HFC (Hybrid Fiber Coax) based.
Cable modem (CM): Client device for providing data over a cable TV network. Read all about it here.
Channel: A specific frequency and bandwidth combination. Used in this context about TV channels for television services and downstream data for cable modems.
CMTS: Cable Modem Termination System. Central device for connecting the cable TV network to a data network like the internet. Normally placed in the headend of the cable TV system.
CPE: Customer Premises Equipment. Used to describe the PC and/or other equipment, that the customer may want to connect to the cable modem.
DHCP: Dynamic Host Configuration Protocol. This protocol provides a mechanism for allocating IP addresses dynamically so that addresses can be reused. Often used for managing the IP addresses of all the cable modems in a cable



References: 1. "Data Networks" Dimitri Bertskas and Robert Gallager, 2nd edition, Prentice Hall of India, 2003. 2. "High-Speed Networks and Internets" William Stallings, Pearson Education (Asia) Pte. Ltd, 2004. 3. "High Performance Communication Networks" J.Walrand and P.Varaya, 2nd edition, Harcourt India Pvt. Ltd. & Morgan Kaufman, 2000. 4. "Multimedia Information Networking, Nalin K. Sharda, PHI, 2003. 5. "Multimedia Fundamentals:VOl 1-Media Coding Content Processing", Ralf Steinmetz,Klara Narstedt, Pearson Education, 2004. 6. "Multimedia Systems Design", Prabhat K. Andleigh, Kiran Thakrar, PHI, 2004. 7. "Data Communication and Networking", B Forouzan, 4th edition, TMH, 2006. 8. "Computer Networks, James F. Kurose, Keith W. Ross: pearson education,2nd edition, 2003. 9. "Introduction to Data Communication and Networking, Wayne Tomasi: Pearson education, 2007.

You May Also Find These Documents Helpful

  • Good Essays

    What Is a Critical Thinker?

    • 13947 Words
    • 78 Pages

    E) a satellite dish installed by Cox Cable to download programs that are then distributed through its cable system…

    • 13947 Words
    • 78 Pages
    Good Essays
  • Good Essays

    pt1420 unit 3

    • 395 Words
    • 2 Pages

    Coaxial Cable- a cable that consists of a center wire surrounded by insulation and then a grounded shield of braided wire.…

    • 395 Words
    • 2 Pages
    Good Essays
  • Satisfactory Essays

    Fixed lines have just as many pros and cons as cellular phones. To receive or transmit data over the fixed line a modem is needed on each end of the line. The modem takes the digital information and turns it into tones that have been specifically selected for the transmission over telephone network. The modem at the other end is responsible for turning the tones back into digital data. Data rates were limited until digital subscriber line (DSL) was introduced. DSL used the existing…

    • 622 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Unit 9

    • 698 Words
    • 3 Pages

    Analog modem – a device at the customer and ISP end of an analog circuit created when one modem calls the phone number of the other modem with the two modems sending data using the analog circuit.…

    • 698 Words
    • 3 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Unit 7 Lab 7.1

    • 391 Words
    • 3 Pages

    Include feedlines connecting radio transmitters and receivers with their antennas, computer network (Internet) connections, and distributing cable television signals.…

    • 391 Words
    • 3 Pages
    Satisfactory Essays
  • Satisfactory Essays

    In the early days of the Internet, the only way to connect to the Web was by using a modem in conjunction with a dial-up connection. The modems, which stand for modulator-demodulator, were devices that converted analog signals into digital signals. Early modems operated at 1200 bps or bit/s per second to 2400 bps. Data transfer was slow and often unreliable.…

    • 522 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Type of electrical connection often used in telephony; it is named because the solid copper wires are "punched down" into short open-ended slots which are a type of insulation-displacement connectors.…

    • 836 Words
    • 4 Pages
    Good Essays
  • Powerful Essays

    Comcast Corporation is the largest mass media and communications company in the world by revenue. It is the largest cable company and home Internet service provider in the United States, and the nation's third largest home telephone service provider. Comcast provides cable television, broadband Internet, telephone service and in some areas home security (including burglar alarms, surveillance cameras, fire alarm systems and home automation) to both residential and commercial customers in 40 states and the District of Columbia.…

    • 1687 Words
    • 7 Pages
    Powerful Essays
  • Powerful Essays

    LYT2 Task 2

    • 2054 Words
    • 8 Pages

    T carriers, e.g., T1 and T3, are digital, leased twisted-pair lines, designed to carry voice…

    • 2054 Words
    • 8 Pages
    Powerful Essays
  • Good Essays

    Computers use network protocols to communicate with computer network there are many network protocols as Hallberg (2005, p92) said “for example, transmission control protocols/internet protocols (TCP/IP) defines a set of rules used to send data from one node on a network to another node”.…

    • 442 Words
    • 2 Pages
    Good Essays
  • Powerful Essays

    Comcast Research Paper

    • 11970 Words
    • 48 Pages

    Voice - Comcast's IP-enabled Digital Voice service offers consumers the quality they expect in a phone service combined with new interactive features for a low price.…

    • 11970 Words
    • 48 Pages
    Powerful Essays
  • Good Essays

    Origin of Service Tax

    • 767 Words
    • 4 Pages

    a. Service rendered by the telegraph authorities to the subscribers in relation to telephone connections.…

    • 767 Words
    • 4 Pages
    Good Essays
  • Best Essays

    Comcast

    • 1539 Words
    • 5 Pages

    Comcast Corporation (NASDAQ: CMCSA, CMCSK) is one of the world 's leading media, entertainment and communications companies. Comcast is principally involved in the operation of cable systems through Comcast Cable and in the development, production and distribution of entertainment, news, sports and other content for global audiences through NBC Universal. Comcast Cable is one of the nation 's largest video, high-speed Internet and phone providers to residential and business customers. (www.comcast.com)…

    • 1539 Words
    • 5 Pages
    Best Essays
  • Satisfactory Essays

    MSOs are multiple system operators. These are defined as an operator of multiple cable television systems. This usually refers to large cable companies that provide service for multiple communities, such as Time Warner Cable, Comcast or Cox Cable and similar companies. These MSOs provide television service, broadband internet services, and telephone services.…

    • 258 Words
    • 1 Page
    Satisfactory Essays
  • Satisfactory Essays

    A modem is considered an I/O device because of the fact that it connects to a port on the computer. The modem after connection sends out information to the computer saying “hey I am a device” and then telling the computer that it is connected to internet. This being that it sends and collects data…

    • 468 Words
    • 1 Page
    Satisfactory Essays

Related Topics