Network wiring cable.
Computer and Network Examples

The networks are different and require a different wiring. They can connect two, three or thousands and more devices that can be located at the distance of several meters or unlimited distance.

To connect two or more network devices are used the network cables. There are more different types of the network cables: Coaxial cable, Optical fiber cable, Twisted Pair, Ethernet crossover cable, Power lines and others. They are used depending of the network topology, size, protocol.

Twisted pair cabling is a form of wiring in which pairs of the wires are twisted together to cancel out the EMI (electromagnetic interference) from other wire pairs and external sources. There are three types of the Twisted pair cables: shielded, unshielded and foil. They are used for home and corporate Ethernet networks.

In the Coaxial cables the transmission of the energy occurs through the dielectric inside the cable between the conductors. The electromagnetic wave is limited inside the cable, between the center conductor and the shield. The Coaxial cables are usually used for television.

Optical fiber cable consists of the center glass core and several layers of the protective material around. It can transmit data on the long distances, but it is expensive.

Crossover cable connects two devices of the same type. The crossing wires in a cable allow to connect directly - output of one to input of other, to connect hubs, switches, routers.

Network wiring cable

Example 1. Network wiring cable.

This example was created in ConceptDraw PRO using the Computer and Networks solution from the Computer and Networks area of ConceptDraw Solution Park.

Using the solutions of the Computer and Networks Area for ConceptDraw PRO you can design your own computer network diagrams quick and easy.

The diagrams created with ConceptDraw PRO are vector graphic documents and are available for reviewing, modifying, and converting to a variety of formats (image, HTML, PDF file, MS PowerPoint Presentation, Adobe Flash or MS Visio).

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Local area network (LAN). Computer and Network Examples

Computer networks nowadays are spread all across the world. The large number of parameters, such as geographic scale or communication protocols, can divide networks. One of the most common types of networks is called local area network (LAN). It convenient to represent network examples by means of diagrams. This local area network (LAN) diagram provides an easy way to see the way the devices in a local network are interacted. The diagram uses a library containing specific symbols to represent network equipment , media and the end-user devices such as computers (PC, mac, laptop) , network printer, hubs, server and finally a modem. There are two types of network topologies: physical and logical. The current diagram represents precisely a physical type of LAN topology because it refers to the physical layout of a local network equipment.Local area network (LAN). Computer and Network Examples
Picture: Local area network (LAN). Computer and Network Examples
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Computer and Networks solution provides the libraries with large quantity of predesigned vector objects and the great number of templates and samples that will help design the Cable Networks in a few minutes.Cable Network
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How To use Switches in Network Diagram

Special libraries of highly detailed, accurate shapes and computer graphics, servers, hubs, switches, printers, mainframes, face plates, routers etc.Network diagram sample - System design
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How To use House Electrical Plan Software

Electrical plan is a document that is developed during the first stage of the building design. This scheme is composed of conventional images or symbols of components that operate by means of electric energy. To simplify the creation of these schemes you can use house electrical plan software, which will not require a long additional training to understand how to use it. You only need to install the necessary software ant it’s libraries and you’ll have one less problem during the building projection. Any building contains a number of electrical systems, including switches, fixtures, outlets and other lightening equipment . All these should be depicted in a building electrical plans and included to general building documentation. This home electrical plan displays electrical and telecommunication devices placed to a home floor plan. On the plan, each electrical device is referenced with the proper symbol. Electrical symbols are used for universal recognition of the building plan by different persons who will be working on the construction. Not all possible electric symbols used on a certain plan, so the symbols used in the current home plan are included to a legend. The electrical home plan may be added as a separate document to a complete set of building plans.Electrical and Telecom Layout House Plan, electrical symbols
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Network wiring. Computer and Network Examples

All networks are different and require a different wiring. They can be simple and consist of two computers connected with a network cable, or complex and consist of several computers, switches, hubs. This example was created in ConceptDraw PRO using the Computer and Networks solution from the Computer and Networks area of ConceptDraw Solution Park and shows the Network wiring.Network wiring
Picture: Network wiring. Computer and Network Examples
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When talking about engineering, one should define all the terms used, so anybody could understand the topic. Typical network glossary contains definitions of numerous network appliances, types of networks and cable systems. The understanding of basic is crucial for server management, network administration and investigating problems. The network glossary defines terms related to networking and communications. The most of glossary items has their visual representation in ConceptDraw PRO libraries of the Computer Network Diagrams solution. This illustration presents a local area network (LAN) diagram. It designed to show the way the interaction of network devices in a local network. The diagram uses a library containing symbols of network equipment, connections and the end-point devices such as network printer, hubs, server, modem and finally computers (PC, mac, laptop). This diagram depicts a physical LAN topology.IVR Services
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Network Topologies

When describing any computer network, we imagine a set of devices and nodes, arranged in some way. Talking about network structures, we should distinguish physical and logical network topologies, as physical topology is about devices location and logical topology illustrates data flow. In the same time, they do not have to match, and some devices, such as repeaters, may have a physical star layout, but a bus logical topology. There are two main types of computer network topologies: Physical topology that show the physical organization of a network - equipment and types of connections. Star network topology involves a set of devices that is connected to a single hub (router). Ring network topology means that, devices connected according this topology have two connections, connecting with nearby devices to make a loop. Bus network topology is the topology presented at the current diagram. It is similar to a ring topology. The difference is that data moves up and down a linear connection, copying itself where network equipment works as bus-stations along the way. This network topology can be used for small network, or when adding an extra device into a network.Common Network Topologies Diagram
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Network diagrams with ConceptDraw PRO

Of course it is possible to keep network records in text documents, but it is very difficult to use them later. A more sound way to keep such documentation is to create a network diagram that might represent either logical network structure or physical. These diagrams are easy to understand and you will thank yourself later. There is a physical network diagram. It is a tool to represent, maintain and analysis of network equipment and interconnections. Network diagram depicts the actual network information in the attractive clear graphic form. One can learn here the LAN cable length, telecommunication type and carrying capacity. The diagram depicts servers, IP address and domain name as well. Also it shows location of hubs, switches, modems, routers, and other network equipment. The sets of special symbols and images delivered with ConceptDraw Network Diagrams solution are used to show network components. Symbols have a standard view. Therefore, various specialists can read the network diagram without any discrepancies.Network diagram
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Metropolitan area networks (MAN). Computer and Network Examples

A list of parameters on which networks differ is very long. A large network with a range up to 50 kilometers is called metropolitan area network (MAN), and this type of network can include several local area networks. Metropolitan networks in their turn connect into global area networks. Here you will see a Metropolitan Area Network (MAN). This is an extensive network which occupies a large territory including a few buildings or even the whole city. The space of the MAN is bigger than LAN, but lower than WAN. MAN comprise a lot of communication equipment and delivers the Internet connection to the LANs in the city area. Computer and Networks solution for ConceptDraw PRO provides a set of libraries with ready-to-use vector objects to design various kinds of computer networks.Metropolitan area networks (MAN). Computer and Network Examples
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