Axis Communications AXIS 225FD user manual Axis 225FD Glossary of Terms

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Pre/post alarm image - The images from immediately before and after an alarm.

Privacy mask - An image or specified area used to block out certain parts of the video image.

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.

Router - A device that determines the next network point to which a packet should be forwarded on its way to its final destination. A router is often included as part of a network switch (see below).

RTP- Real-Time Transfer Protocol. A transfer protocol designed for delivery of live contents, e.g. MPEG-4.

Simplex - In simplex operation, a network cable or communications channel can send information in one direction only.

SMTP - A common e-mail protocol.

SNMP - Simple Network Management Protocol. An application layer protocol that facilitates the exchange of management information between network devices. It is part of the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol suite.

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 host part of the address into two or more subnets. The subnet mask identifies the subnet to which an IP address belongs.

Switch - Whilst a simple hub transmits all data to all devices connected to it, a switch only transmits the data to the device it is specifically intended for.

TCP/IP - Transmission Control Protocol/Internet Protocol. A suite of network protocols that determine how data is transmitted. TCP/IP is used on many networks, including the Internet. TCP keeps track of the individual packets of information and IP contains the rules for how the packets are actually sent and received.

UDP - The User Datagram Protocol is a communications protocol that offers a limited amount of service when messages are exchanged between computers in a network that uses the Internet Protocol (IP). UDP is an alternative to the Transmission Control Protocol (TCP) and, together with IP, is also known as UDP/IP.

Unicast - Communication that takes place over a network between a single sender and a single receiver.

UPnPTM - Allows the automatic peer-to-peer detection of devices on the network.

URL - Uniform Resource Locator. An “address" on the network.

AXIS 225FD - Glossary of Terms 63

Varifocal - A varifocal lens provides a wide range of focal lengths, as opposed to a lens with a fixed focal length, which only provides one.

WAN - Wide-Area-Network. Similar to a LAN, but on a larger geographical scale.

Web server - A program on a computer (server) providing the resources (e.g. web pages) requested by the user (client).

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Contents Axis 225FD About this Document Contents Axis 225FD Key Features Product FeaturesControl button Serial number S/N OverviewHeater LED IndicatorsPower NetworkAccess From a Browser Accessing the CameraSetting the Root Password Accessing the camera from the InternetSetting the Focus/Zoom Live View Axis 225FD Accessing the Camera Video Streams Video Stream TypesMotion Jpeg MPEG-4 protocols and communication methods How to stream MPEG-4Other methods of accessing the video stream Axis Media ControlRTP/RTSP/HTTP or RTP/RTSP/HTTPS Other MPEG-4 clients Accessing the setup tools from a browser Setup ToolsVideo and Image Settings Image SettingsImage Appearance Overlay/Mask Type Overlay/Mask SettingsVideo Stream TestUpload and use an overlay/mask Overlay image/privacy mask requirementsImage Formats Image Size Camera Settings Advanced SettingsMPEG-4 Settings Mjpeg Settings Use custom settings Live View ConfigExample Check Show Custom Link Upload Own Web FilesOwn home User-defined LinksOutput Buttons Default Video FormatDefault Viewer Action ButtonsViewer settings Html ExamplesExternal Video Sequence Mode Event Configuration Event ServersDefinitions Click Add triggered... on the Event Types Configuring Event TypesHow to set up a triggered event Triggered EventScheduled Event Pre-trigger and Post-trigger buffersCamera Tampering SettingsMotion Detection Object Size Port StatusReferrals System OptionsSecurity Users Security IP Address FilteringSecurity Https Security CA servers Authentication processNetwork Basic TCP/IP Settings IP Address ConfigurationDate & Time Network Advanced TCP/IP Settings ServicesDNS Configuration NTP Configuration Host Name ConfigurationLink-Local IPv4 Address Network Traffic NAT TraversalNetwork QoS Quality of Service QoS SettingsNetwork Socks Network RTP Multicast/MPEG-4 Network Smtp emailNetwork Snmp Network UPnPSupport Overview LED SettingsMaintenance SupportLogs & Reports AdvancedUsing the Control Button Resetting to the Factory Default SettingsUnit Connectors Terminal Block Terminal connector block pinoutTerminal connector schematic diagram LED indicatorsPower connections Power Connector BlockPin Function Schematic Diagram Power Terminal Block and Power Connectors Troubleshooting Checking the FirmwareUpgrading the Firmware Problems setting the IP address Emergency Recovery ProcedureSymptoms, Possible Causes and Remedial Actions Hardware problemsYour Axis 225FD is accessible locally, but not externally Web browserEtc, to a destination outside the local network Decode only I frames Video/Image problems generalBrowser freezes Status and Network indicator LEDs are flashing red rapidlyProblems uploading files Poor quality snapshot imagesLens Technical SpecificationsMaintenance Applications Optimizing your system General performance considerationsBandwidth Frame rates Motion Jpeg and MPEG-4Glossary of Terms Axis 225FD Glossary of Terms Http API IndexRtsp
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