Glossary of Terms

Because of the nature of the work we do, it is difficult to avoid the use of technical language. In this section, you'll find a full list of terms or key words you may come across whilst using our website.

If you find an unfamiliar word or phrase that is not listed here, please contact us on to let us know.

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Cable is the physical transmission medium of a group of metallic conductors or optical fibers that are bound together and wrapped in a protective cover, and insulation between individual conductors/fibers and for the entire group.
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LAN: Local Area Network
Local Area Network (LAN) is a data communications network connecting terminals, computers and printers within a building or other geographically limited areas. These devices could be connected through wired cables or wireless links. Ethernet, Token Ring and Wireless LAN are examples of standard LAN technologies.
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Network Access Server
A network access server (NAS), also known as a "media gateway" or a "remote access server" (RAS), is an access control point for remote users connecting to a company's internal network or to an ISP via analog modems or ISDN. A network access server has interfaces to both the local telecommunication service provider such as the phone company and to the Internet backbone. A network access server (NAS) may include its own authentication services or rely on a separate authentication server to verify users. A NAS may be a dedicated server or a software service within a regular server.
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PoE: Power over Ethernet
Power over Ethernet (PoE) technology describes any system to transmit electrical power, along with data, to remote devices over standard twisted-pair cables in an Ethernet network. This technology is useful for powering IP telephones, wireless LAN access points, webcams, Ethernet hubs, computers, and other appliances where it would be inconvenient or infeasible to supply power separately. The technology is somewhat comparable to POTS telephones, which also receive power and data (although analog) through the same cable. It works with an unmodified Ethernet cabling infrastructure.
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Routers are physical devices or a software system within a switch operating at layer 3 of the OSI model. A router forwards and routes data packets along networks. A router connects at least two networks, commonly two LANs or WANs or a LAN and its ISP network. A router is located at any gateway where one network meets another, including each point-of-presence on the Internet.
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SOHO: Small Office, Home Office
Small Office, Home Office (SOHO) refers to a specific group of people who work from home or very small companies. A large number of businesses fall under this category, having anywhere from 1 - 10 employees.

SOHO Network
A SOHO network is a Small Office/Home Office local area network. SOHO networks generally are confined to a single room. Such networks generally use a small Ethernet switch or hub and cat 5 cabling, or a Wi-Fi wireless network.Generally SOHO networks are used to share files and other information as well as to share an Internet access connection. A SOHO network may also have a server which needs to be accessed.
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VLAN: Virtual LAN
Virtual LAN (VLAN) refers to a logical network in which a group of devices on one or more LANs that are configured so that they can communicate as if they were attached to the same wire, when in fact they are located on a number of different LAN segments. Because VLANs are based on logical, instead of physical, connections, they are very flexible for user/host management, bandwidth allocation and resource optimization.
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VoIP: Voice over IP
Voice over IP (VOIP) refers to a group of technologies that use the Internet Protocol (IP) to transmit voice as packets over an IP network. Using VOIP protocols, voice communications can be achieved on any IP network regardless it is Internet, Intranets or Local Area Networks (LAN). In a VOIP enabled network, the voice signal is digitized, compressed and converted to IP packets and then transmitted over the IP network. VOIP signaling protocols are used to set up and tear down calls, carry information required to locate users and negotiate capabilities. The key benefits of Internet telephony (voice over IP) are the very low cost, the integration of data, voice and video on one network, the new services created on the converged network and simplified management of end user and terminals.
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