Finally, the consummate professionals at sybex always leave me in awe of their skills, patience, and insight. We tend to think of digital communication as a new idea, but in 1844, samuel morse sent a message 37 miles from washington, d. A guide to computer ports serial port for external modems and old computer mice a serial port is used to connect external modems or an older computer mouse to the computer. Different types of cable in networking snabay networking. Introduction to network cables and network cable types. Computer networking has existed for many years, and as time has passed the technologies have become faster and less expensive. Coaxial cables, 7 elements of 24 awg control wires shielding, o. Data travels over a serial port at 115 kilobits per second. Bsi network cabling guide page 2 as typically network cabling uses solid wire, cabling should not be twisted or bent into a tight radius. It comes in two versions a 9pin version or a 25pin model.
Learn the specifications, standards, and features of the. These cables share the same physical characteristics as other types of network cables except that patch cables tend to be a shorter length. A visual guide to computer cables and connectors digital. The resources such as printers, file servers, scanners, and. Heres a visual guide to help you quickly identify all the common cable and connectors that came bundled with your computers, mobile phones.
Data communication and computer network 4 lan provides a useful way of sharing the resources between end users. Well also cover the basics of networking devices such as cables, hubs and switches, routers, servers and clients. Lans are composed of inexpensive networking and routing equipment. The telephone cable, otherwise known as rj11, is still used around the world for connecting to the internet through dsladsl modems. The computer network is the resource, which enables to analyse. To connect two or more computers or networking devices in a network, network cables are used. Metro ethernet is a service which is provided by isps. Computer networks and internets module 1 14 spring, 2014. This tutorial explains the types of network cables used in computer networks in detail.
Computer networks pdf notes free download cn notes. There are different types of cable in networking that are used for different purposes and medium. Networking cables are used to connect two or more devices such as a computer, printer, scanner, etc. Cat 3, cat 5, fiber optic, utp, and stp coaxial cable coaxial cable is braidedgrounded strands of wire that can provide some shielding and noise immunity. This may seem a far cry from todays computer networks, but the principles remain the same. It is expected to replace serial and parallel ports. Cablebased media coaxial copper wire to conduct the signals electronically was the choice for lan for many years. Universal serial bus, or usb, is a computer standard designed to eliminate the guesswork in connecting peripherals to a pc. The essential computer network components necessary for a simple computer network, usually called lan local area network, are to share resources on that network.
Cabling and connectors michigan technological university. They have extended the power of a computer beyond the expanse of a room. If you ve ever wanted to learn how to maintain your network, youre going to want to learn the basic types of cables you will run into along the way. Two basic network types are localarea networks lans and widearea networks wans. Monitor network activity on windows 7 with tekzilla how to. Some networking professionals use the term patch cable to refer to any kind of straightthrough network cable used for a temporary purpose. Ethernet, computer networking technology used in local area networks lans.
Solved multiple choice questions on computer networking. More commonly cat 3 is used on a networks for cable. The first decade of lan technology development was a period in which corporate computing users were gradually adapting to the new technology and steadily rolling it out within organizations on a department basis. Nov 18, 2019 computer networking is the practice of interfacing two or more computing devices with each other for the purpose of sharing data. A minimum of at least 2 computers cables that connect the computers to each other, although wireless communication is becoming more common see advice sheet 20 for more information a network interface device on each computer this is called a network interface card or nic.
Fundamentals of computer networking and internetworking. It can be in the form of ethernet, tokenring, atm, or fiber distributed data interface fddi. This service enables its users to expand their local area networks. Following is the list of hardwares required to set up a computer network. Network cable types and specifications learn the specifications, standards, and features of the coaxial cable, twistedpair cable, and the fiberoptical cable. We will learn about the tcpip and osi networking models and how the network layers work together. Network cable types and specifications computer networking. Ethernet computer networking technology britannica. Cbse notes for class 8 computer in action networking concepts. Learn the specifications, standards, and features of the coaxial cable, twistedpair cable, and the fiberoptical cable. Cabling florida center for instructional technology. The first decade of lan technology development was. The computer network is the resource, which enables to analyse, organise, and disseminate the.
Jeff bloom and the folks at computer training academy where i teach windows nt, tcpip, and exchange courses are always outstandingly patient when. Highspeed ethernet cable for underground installations. You can plug in more ethernet cables and use internet on more computers. Network devices hub, repeater, bridge, switch, router. Much of my cable knowledge was accumulated under the. Retiring twisted pair copper wire to conduct too more popular than coaxial fiberoptic uses glass or plastic conductor and transmits the signals as light high cost. Whether you have a new network installation planned or simply an upgrade, amphenol cables on demand has thousands of networking cables in stock and ready to ship. In chapter 1, foundation, learn how local and wide area networks wans are now built to connect more than computers. Detailed lesson plan in computer system servicing subject matter. Jeff bloom and the folks at computer training academy where i teach windows nt, tcpip, and exchange courses are always outstandingly patient when i take on a project like this. Solid core category 5e high performance data cable. Cat 3, cat 5, fiber optic, utp, and stp coaxial cable. Coaxial cabling, which uses connectors called bnc bayonet nut connector is known as, in forms of.
The resources such as printers, file servers, scanners, and internet are easily sharable among computers. A computer network comprises the following components. A man might be owned and operated by a single organization, but it usually will be used by many individuals and organizations. Computer networking is the practice of interfacing two or more computing devices with each other for the purpose of sharing data. A minimum of at least 2 computers cables that connect the computers to each other, although wireless communication is.
Types of cables used in networking snabay networking. A standard phone cable has 4 wires and the connector has four pins. Do not use metal staples to secure cable runs, nor tightly adjusted cable wraps. Typically, cabling will be made up of pairs of solid or singlecore wires rather than the more flexible stranded wire often used in patch cables. Computer network, two or more computers that are connected with one another for the purpose of communicating data electronically. It is very important to know about types of cables used in networking for network engineer. Heres a visual guide to help you quickly identify all the common cable and connectors that came bundled with your computers, mobile phones and other electronic gadgets. Crossover cables are most commonly used to connect two hosts directly. Cat 3, cat 5, fiber optic, utp, and stp coaxial cable coaxial cable. There are several techniques that may be used to establish the network. Data representation data representation is defined as the methods used to represent information in computers. Category 3 utp and stp cat 3 include applications as voice telephony or data up to 10 mbps. Mar, 2020 computer network, two or more computers that are connected with one another for the purpose of communicating data electronically. Nov 11, 2019 some networking professionals use the term patch cable to refer to any kind of straightthrough network cable used for a temporary purpose.
A man is optimized for a larger geographical area than a lan, ranging from several blocks of buildings to entire cities. A computer network is a set of computers, or nodes, that are connected by cables or connect wirelessly via radio waves. A single usb port can be used to connect up to 127 peripheral devices, such as mice, modems, keyboards, digital cameras, printers, scanners, mp3 players and many more. The structured cable is the only one that needs to be installed to contend with the needs of telephone and data communications now and in the future. Computer networking creating straightthrough cable date of demonstration.
You may also refer to this guide for ideas on how to hook different devices using commonly available connectors and converters. Free chapter download download this computer networking pdf excerpt from computer networks, a book that addresses the key principles of computer networks. Specific cables considered include unshielded twisted pair utp, shielded twisted pair stp, coaxial, and fiber optic cable. Computer networks are built with a combination of hardware and software. Computer networks have shrunk the world and brought people together. Networks are made up of various devicescomputers, switches, routersconnected together by cables or wireless signals. Coax, twisted pair, and fiber optic types of patch cables exist. Specific cables considered include unshielded twisted pair utp, shielded twisted pair stp, coaxial, and. There are several techniques that may be used to establish the. Networking cables are networking hardware used to connect one network device to other network devices or to connect two or more computers.
Protocol layering d needed because communication is complex d intended primarily for protocol designers. Welcome to the networking course of the it support professional certificate. Stp cables are heavier per meter compared to utp cables. Cables are inserted into the plug and a special tool is used to make the connection between the plugpins and the cabling do not try to do this with a screwdriver or pair of pliers. Aug 26, 2018 cbse notes for class 8 computer in action networking concepts. Utp cables are more prevalent in soho networks while stp is used in more highend. In the first week of this course, we will cover the basics of computer networking. Whether you have a new network installation planned or simply an upgrade. The bits and bytes of computer networking coursera. Ethernet was created in 1973 by a team at the xerox corporations palo alto research center xerox parc. In todays world, a computer network is much more than a collection of interconnected devices. Connect a printer, scanner, or a fax machine to one computer within the network and let other computers of the network use the machines available over the network.
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