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AXIS COMMUNICATIONS
<Product Name> Quick User’s Guide
AXIS 2100 User’s Guide
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ActiveX - A control (or set of rules) used by a browser. ActiveX
controls are often downloaded and installed automatically as
required.
ARP - Address Resolution Protocol. A protocol for assigning an
IP address to a physical device address that is recognized in the
local network. The ARP command can be used to set the
IP-address for your product.
ARTPEC - Axis Real Time Picture Encoder - used for image
compression.
BOOTP - A protocol that lets a network user be automatically
configured (receive an IP address).
Bps - Bits per second. A unit for measuring speeds in networks.
A LAN might run at 10Mbps or 100Mbps.
CGI - Common Gateway Interface. A set of rules (or a program)
that allows a Web Server to communicate with other programs.
DSL - Digital Subscriber Line. A means of transferring data via
standard phone lines.
Ethernet - A widely used networking standard.
ETRAX - Axis' own microprocessor.
Firewall - A virtual barrier between a LAN (Local Area Network)
and other networks, e.g. the Internet.
Frame Grabber card - Plug-in hardware for "grabbing" images
FTP - File Transfer Protocol. Used for simple transfer of files to
and from an ftp-server.
HTML - Hypertext Mark-up Language. Used widely for
authoring documents viewed in web browsers.
HTTP - Hypertext Transfer Protocol. The set of rules for
exchanging files (text, images, sound, video, and other files) on
the World Wide Web.
Intranet - A private network limited to an organisation or
corporation. Usually closed to external traffic.
IP - Internet-Protocol. See TCP/IP.
IP number (address) - A unique number used by a computer on
the network to allow it to be identified and found.
JPEG - A standard image format, used widely for photographs.
Also known as JPG.
LAN - A local area network (LAN) is a group of computers and
associated devices that typically share common resources within a
limited geographical area.
Linux - A popular operating system, that is “open source” and
practiclly free of charge.
Lux - A standard unit for light measurement.
NWAY - A network protocol that automatically negotiates the highest
possible common transmission speed between two devices.
Null Modem Cable - A cable used for connecting a PC to a serial
device, using the modem protocol for communication.
PING - A small utility used for sending data packets to network
resources to check that they are working and that the network is intact.
PPP - Point-to-Point Protocol. A method allowing one computer to
connect to another, usually via a modem over a phone line.
Pre/post alarm image - The images from immediately before and after
an alarm.
Protocol - A special set of rules governing how two entities will
communicate. Protocols are found at many levels of communication,
and there are hardware protocols and software protocols.
SMTP - A common e-mail protocol.
TCP/IP - Transmission Control Protocol/Internet Protocol. A suite of
network protocols that determine how data is moved. TCP/IP is used
on many networks, including the Internet. TCP keeps track of the
individual packets of information and and IP contains the rules for
how the packets are actually delivered and received.
URL - Uniform Resource Locator. An "address" on the network.
V.90 - An operating standard for telephone modems.
WAN - Wide-Area-Network. Similar to a LAN, but on a larger
geographical scale.
Web server - A program on a computer that delivers the resources
(usually web pages) requested by the web user (the client).
Wizard - A program designed specifically to guide the user through a
procedure. Typically used for installations and configurations.
Glossary of Terms