Axis 210 User Manual

Also see for Axis 210: User manual Specifications Product guide Installation guide Installation guide

Axis 210 User Manual Manual pdf 47 page image

47AXIS 210 - GlossaryActiveX - A control (or set of rules) used by a browser.ActiveX controls are often downloaded and installedautomatically as required.AMC - AXIS Media Control. The control required forviewing images in Internet Explorer. Installs automaticallyon first use.API - Application Programming Interface. The Axis API canbe used for integrating Axis products into otherapplications.ARP - Address Resolution Protocol. A protocol for assigningan IP address to a physical device address that is recognizedin the local network. The ARP command can be used to setthe IP-address for your product.ARTPEC - Axis Real Time Picture Encoder - used for imagecompression.CGI - Common Gateway Interface. A set of rules (or aprogram) that allows a Web Server to communicate withother programs.Client/Server - Describes the network relationship betweentwo computer programs in which one, the client, makes aservice request from another - the server.DC-Iris - This special type of iris is electrically controlledby the Axis camera, to automatically regulate the amount oflight allowed to enter.DNS - The Domain Name System (DNS) locates andtranslates Internet domain names into IP (Internet Protocol)addresses.Ethernet - A widely used networking standard.ETRAX - Axis' own microprocessor.Firewall - A virtual barrier between a LAN (Local AreaNetwork) and other networks, e.g. the Internet.FTP - File Transfer Protocol. Used for the simple transfer offiles to and from an FTP-server.HTML - Hypertext Mark-up Language. Used widely forauthoring documents viewed in web browsers.HTTP - Hypertext Transfer Protocol. The set of rules forexchanging files (text, images, sound, video, and other files)on the World Wide Web.Intranet - A private network limited to an organization orcorporation. Usually closed to external traffic.IP - Internet-Protocol. See TCP/IP.IP address - A unique number used by a network device, toallow it to be identified and found on the network. The32-bit IP address is made up of four groups (or quads) ofdecimal digits separated by periods. An example of an IPaddress is: 192.168.0.1JPEG - A standard image format, used widely forphotographs. Also known as JPG.LAN - A local area network (LAN) is a group of computersand associated devices that typically share commonresources within a limited geographical area.Linux - A popular operating system, which is “open source”and practically free of charge.Lux - A standard unit for the measurement of light, where 1Lux equals the light emitted from a single candle at adistance of one meter.Mbit/s - Megabits per second. A unit for measuring speedsin networks. A LAN might run at 10 or 100 Mbit/s.NWAY - A network protocol that automatically negotiatesthe highest possible common transmission speed betweentwo devices.Ping - A small utility used for sending data packets tonetwork resources to check that they are working and thatthe network is intact.Pre/post alarm image - The images from immediatelybefore and after an alarm.Protocol - A special set of rules governing how two entitieswill communicate. Protocols are found at many levels ofcommunication, and there are hardware protocols andsoftware protocols.Router - A device that determines the next network point towhich a packet should be forwarded on its way to its finaldestination. A router is often included as part of a networkswitch (see below.)SMTP - A common e-mail protocol.Subnet Mask - An IP address consists of two components:the network address and the host address. “Subnetting’enables a network administrator to further divide the hostpart of the address into two or more subnets. The subnetmask identifies the subnet to which an IP address belongs.Switch - Whilst a simple hub transmits all data to alldevices connected to it, a switch only transmits the data tothe device it is specifically intended for.TCP/IP - Transmission Control Protocol/Internet Protocol. Asuite of network protocols that determine how data istransmitted. TCP/IP is used on many networks, includingthe Internet. TCP keeps track of the individual packets ofinformation and IP contains the rules for how the packetsare actually sent and received.URL - Uniform Resource Locator. An "address" on thenetwork.Varifocal - A varifocal lens provides a wide range of focallengths, as opposed to a lens with a fixed focal length,which only provides one.Glossary of Terms

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