Axis Video Server AXIS 241SA manuel d'utilisation

AXIS 241QA/AXIS 241SA Video Server User’s Manual[...]

2 About Th is Docum ent This manual is intended for administrators and users of Axis video servers. This manual describes AXIS 241QA/AXIS 241SA, with firmware release 4.47. The manual includes instructions for using and m anaging the AXIS 241QA/AXIS 241SA on your network. Previous experience of netwo rking will be of use when installing and using t[...]

3 AXIS 241QA/AXIS 241SA Table of contents Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Overview of the AXIS video server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 AXIS 241QA . . . . . . . . . . . . . . . . . .[...]

4 Axis video server Event configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Event serve rs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Event types . . . . . . . . . . . . . . . . . . . . . .[...]

5 AXIS 241QA/AXIS 241SA - Product description Product description This manual describes the AX IS 241QA: 4-port video server including 2-way audio, and the AXIS 241SA: 1-port video se rver including 2-way audio. Overview of the AXIS video server The Axis video server is fully featured for security surveillance and remote monitoring needs. It is bas[...]

6 AXIS 241QA/AXIS 241SA - Product description AXIS 241QA The AXIS 241QA provides 4 BNC inputs for connecting analog video devices. The AXIS 241QA also provides a Line/Microphon e In (mono) connector for connecting an external microphone or other so urce, producing a line level si gnal. An active speaker with a built-in amplifier can be connected to[...]

7 AXIS 241QA/AXIS 241SA - Product description Switches & connectors DIP switch - A corresponding line termin ation switch is supplied for each video input. All units are shipped with line termination enabled for each video input; that is, with the DIP switch set in the down position. Note: If the video source is to be connected in parallel wi t[...]

8 AXIS 241QA/AXIS 241SA - Product description Note: The I/O terminal connector also provides an auxiliary connection point for DC power. Network connector - The Axis video server connect s to the network via a standard network cable, and automatically detects the speed of the local networ k segment (10BaseT/100BaseTX Ethernet). RS-232 connector - A[...]

9 AXIS 241QA/AXIS 241SA - Usin g the video server Using the video server The AXIS 241QA/AXIS 241SA can be used with most operating systems and web browsers. The recommended browser is Internet Explor er with Windows, and Mozilla with other operating systems. See also the Technical specifications , on page 66 . Note: For information on installing th[...]

10 AXIS 241QA/AXIS 241SA - Usin g the video server Notes: • To view streaming video in Mi crosoft Internet Explorer, you must set your web browser to allow the AXIS Media Control (AMC) to be installed on your computer. AMC is required to use audio in the AXIS 241QA/AXIS 241SA. AMC also provides an MPEG-4 d ecoder for viewing MPEG-4 video streams.[...]

11 AXIS 241QA/AXIS 241SA - Usin g the video server 5. If required, click Y es to install the AXIS Media Control (AMC). Y ou will need administrator rights on the computer to do this. The Live View Page If your AXIS 241QA/AXIS 241SA has been custo mized to meet specific requirements, all the buttons and other items described below ma y not be displa[...]

12 AXIS 241QA/AXIS 241SA - Usin g the video server AMC Audio controls There are audio controls for controlling the client computer’s sp eaker output. These controls are only available in the MPEG-4 video format and when audio is enabled, see Audio Settings , on page 23 . Note that these AMC toolbar functions can also be accessed by right-c lickin[...]

13 AXIS 241QA/AXIS 241SA - Video and audio streams Video and audio streams The AXIS 241QA/AXIS 241SA provides several di fferent video and audi o stream formats. The type to use depends on your requiremen ts and on the properties of your network. The Live View page in the AXIS 241QA/AXIS 241SA provides access to Motion JPEG and MPEG-4 video and aud[...]

14 AXIS 241QA/AXIS 241SA - Video an d audio streams MPEG-4 protocols and communication methods To deliver live streaming video over IP netw orks, various combinations of transport protocols and broadcast methods are employed. • RTP (Real-Time Transport Protocol) is a protocol that allows programs to manage the real-time transmission of multime di[...]

15 AXIS 241QA/AXIS 241SA - Video and audio streams RTP+RTSP This method (actually RTP over UDP and RTSP ove r TCP) should be your first consideration for live video, especially when it is important to always have an up-to-date video stream, even if some images do get dropped. This can be configured as multicast or unicast. Multicasting provides the[...]

16 AXIS 241QA/AXIS 241SA - Video an d audio streams Other MPEG-4 clients Although it may be possible to use other clie nts to view the MPEG-4 stream, it is not guaranteed to work in all cases. For some other clients, such as QuickTime™ the Video Object Type must be set to Simple . It may also be necessary to adjust the advanced MPEG-4 settings. T[...]

17 AXIS 241QA/AXIS 241SA - Confi guring the video server Configuring the video server This section describes how to configure th e AXIS 241QA/AXIS 241SA and is intended for administrators, who have unrestrict ed access to all the Setup tools The AXIS 241QA/AXIS 241SA is configured from the Setup link in a web b rowser. For more information on su pp[...]

18 AXIS 241QA/AXIS 241SA - Video & image settings Video & image settings Below you find examples of the features available in the AXIS 241QA/AXIS 241SA. For details of each setting, please refer to th e online help available from each page. Click to access the online hel p. Image settings Image appearance Modify image appearance to optimize[...]

19 AXIS 241QA/AXIS 241SA - Video & image settings Mirroring Mirroring is the horizontal flipping of an im age, that gives you another image perspective. This is a useful function when you need a di rect view of the image, for example, in ATMs and door phones. The mirroring settings sh ould be defined befo re you define the parameters for privac[...]

20 AXIS 241QA/AXIS 241SA - Video & image settings The MPEG-4 standard provides many different coding tools for various applications in different situations. As most MPEG-4 clients do not support all of these tools, it is usual to instead define and use subsets fo r different clients or groups of clients. These settings allow you to define the t[...]

21 AXIS 241QA/AXIS 241SA - Video & image settings Upload and use an overlay image 1. Select Uploaded image as overlay in the drop-down list against Overlay/Mask Type . 2. In the field Upload own image , click the Browse button and locate the image file on your computer or server . 3. Click the Upload button and follow the on-screen instructions[...]

22 AXIS 241QA/AXIS 241SA - Video & image settings Use a Pri vacy Ma sk To use privacy masks to hide diff erent areas of the video image: 1. Select Configurab le areas as privacy mas k in the Overlay/Mask Type drop-down list. 2. Enter the (x,y) coordinates of the top left hand corner of the mask, and the height and width to define the ma sks’ [...]

23 AXIS 241QA/AXIS 241SA - Audio Audio The AXIS 241QA/AXIS 241SA can transmit audi o to other clients using an external microphone and can play audio received from other clients by attaching a speaker. The Audio Settings allow different audio conf igurations t o be set up, such as full duplex, half duplex, and simplex. Note: The speaker attached to[...]

24 AXIS 241QA/AXIS 241SA - Audio Full-duplex mode means that you can transmit and receive a u dio (talk and listen) at the same time, without having to us e any of the controls. This is just like having a telephone conversation. The only controls you may wish to use are the mu te buttons to turn off the sound, and the sliders, to adjust the input/o[...]

25 AXIS 241QA/AXIS 241SA - Audio If t the sound input is too low or high, it is possible to adjust the input gain for the microphone attached to the AXIS 241QA/AXIS 241SA. Select the desired audio Encoding format, G711, G726. Depending on the selected encoding, set the desired B it rate (audio quality). The settings depend on the available bandwidt[...]

26 AXIS 241QA/AXIS 241SA - Audio When the incoming sound is louder than the threshold, it will pass without any change. When lower than the threshol d, the incoming sound is reduced by a certain attenuation factor. The threshold valu e should be set higher than the background noise, but lower than the useful audio. The nois e canceller threshold va[...]

27 AXIS 241QA/AXIS 241SA - Live View Config Live View Config Layout These are the tools for deciding the layout of the Live View page. The layout can be set in two ways: • Use Axis look - the layout is unchanged. • Use custom settings - modif y the default page with your own col - ors, and images. Click the Con - figure button to view the optio[...]

28 AXIS 241QA/AXIS 241SA - Live View Config Customizing the defa ult page The appearance of the default AXIS 241Q A/AXIS 241SA Live View page can be customized to suit your own requirements, or you can upload and use your own home page. To upload your own file s, click the Upload/Remove button and see the description below. Upload Own Web Files You[...]

29 AXIS 241QA/AXIS 241SA - Live View Config Modify the Axis Look Select the background and te xt colors from the drop-dow n lists. To add a background picture, a banner and/or a logo, select your up loaded file or specify the location of an external file as described above. Banners and logos can also be linked to web addresses. Include a title to b[...]

30 AXIS 241QA/AXIS 241SA - Live View Config User-defined Links Enter a descriptive name and the URL in the field provided. The link appears on the Liv e View page. User defined C GI links can be used to issue HTTP API requests, such as PTZ commands. Example: 1. Check Show Custom Link 1 2. Enter a descriptive name, such as CAM1 Start PTZ. 3. Enter t[...]

31 AXIS 241QA/AXIS 241SA - Live View Config External Video You can add links to other Axis network device s a vailable over th e network. These sou rces can be displayed on the Live View page, just as if they were video sources connected directly to the AXIS 241QA/AXIS 241SA. Click the Add... button to open the External Video Source Se tup dialog, [...]

32 AXIS 241QA/AXIS 241SA - Pan Tilt Zoom Pan Tilt Zoom Installing PTZ devices The AXIS 241QA/AXIS 241SA supports several PTZ devices. Please see www.axis.com for a complete list of supporte d devices, and to obtain the correct driver. Follow the instructions below to install a PTZ device: 1. Using an appropriate cable, connect th e device to your s[...]

33 AXIS 241QA/AXIS 241SA - Pan Tilt Zoom PTZ configuration Once PTZ has been installed for the AXIS 241QA/AXIS 241SA, PTZ Configurati on now appears in the menu to the left wi th the following sub menus. Preset positions A preset position is a pre-defined camera vi ew than can be used to quickly move the camera to a specific location. From Prese t [...]

34 AXIS 241QA/AXIS 241SA - Pan Tilt Zoom PTZ controls If the AXIS 241QA/AXIS 241SA has been appropr iately configured, the Live View page will display the controls available for the installed PTZ device. The administrator can enable/disable the controls for specified users. The exact controls shown depend on the make and model of PTZ device. There [...]

35 AXIS 241QA/AXIS 241SA - Pan Tilt Zoom In contrast, when using an absolute driver, each position on the bar (see ri ght) represents a defined position in the device’s range of movement, with the center of the bar represen ting the point midway between the tw o extremes of movement. Clicking a position directly on th e bar moves the camera direc[...]

36 AXIS 241QA/AXIS 241SA - Pan Tilt Zoom Preset positions Also available with many PTZ devices are Preset positions . These pre sets ar e selecte d from the drop-down Source list on the Live View page and will move and/or zoom the camera to a pre-defined position, that is to cover an ar ea of particular interest. Events can also be configured to go[...]

37 AXIS 241QA/AXIS 241SA - Pan Tilt Zoom OSD Menu - If the PTZ unit supports an internal configuration menu, this can be accessed using the On-Screen Display (OSD). Conf igure the analog camera by opening and navigating through its intern al menu in this display. PTZ control queue Use the PTZ control queue window to e nable and disable PTZ queueing[...]

38 AXIS 241QA/AXIS 241SA - Pan Tilt Zoom The order of priority for taking co ntrol of the queue is as follows: 1. A dministrators - an administrator tak e s over PTZ control regardless of who is first in queue. The administrator is removed from the queue 60 seconds after their last PTZ control command. 2. Event - the AXIS 24 1Q A/AXIS 24 1S A can b[...]

39 AXIS 241QA/AXIS 241SA - Event configuration Event configuration This section describes how to configure th e AXIS 241QA/AXIS 241SA for alarm handling. Various actions can be configured to ru n when certain types of events occur. Event servers Event Servers are used for receiving uploaded image files and/or notification messages. To set up an Eve[...]

40 AXIS 241QA/AXIS 241SA - Even t configuration Event types An event type is a set o f parameters describing how and when the video server is to perform certain actions. Example: If somebody walks past the connected camera , and an event has been configured to act on this, the video server can record and send video images to an FTP server, or send [...]

41 AXIS 241QA/AXIS 241SA - Event configuration Pre-trigger and post-trigger buffers This function is useful when checking to see what happened immediately before and after a trigger, e.g. two minutes before and after a door was opened. Check the Upload images option under Event Types > Add Triggere d... > When triggered... to see available op[...]

42 AXIS 241QA/AXIS 241SA - Even t configuration Camera tampering The camera tampering application genera tes an alarm whenever the came ra is repositioned, or when the lens is covered, sprayed, or severely defocused. Y ou must also create an event, (see How to s et up a triggered event , on page 40) for the camera to send an alarm. Settings The Min[...]

43 AXIS 241QA/AXIS 241SA - Event configuration Motion detection In the Motion Detection menu, you can configur e the video source(s) fo r motion detection. The motion detection feature is used to gene rate an alarm whenever movement occurs (or stops) in the image. The AXIS 241QA /AXIS 241SA can use a maximum of 10 Include/Ex clude windows. • Incl[...]

44 AXIS 241QA/AXIS 241SA - Even t configuration 7. details). Any detected motion within an active window is then indicated by red peaks in the A ctivity window (the active window has a red frame). 8. Click Save . Please use the online help for descriptions of each available option. Examples: • Avoid triggering on small objects in the image by sel[...]

45 AXIS 241QA/AXIS 241SA - System options System options Security User access control is enabled by default, when the administrator sets the root password on first access. New users are authorized with us er names and passwords, or the administrator can choose to allow anonymous viewer login to the Live View page, as described below: Users The u se[...]

46 AXIS 241QA/AXIS 241SA - System options Note that users from IP addre sses that will be allowed must also be registered with the appropriate access rights ( User , Operator or Administrator ). This is done from Setup > System Options > Security > Users . Referrals - to prevent unauthorized sources from including the video stream from the[...]

47 AXIS 241QA/AXIS 241SA - System options Please refer to the home page of your prefe rred C A for information on whe re to send the request. For more information, please see the online help[...]

48 AXIS 241QA/AXIS 241SA - System options IEEE 802.1X IEEE 802.1x is an IEEE standard for port-ba sed Network Admission Control. It provides authentication to devices attached to a netw ork port (wired or wireless), establishing a point-to-point connection, or if authentication fails , preventing access on that port. 802.1x is based on EAP (Extensi[...]

49 AXIS 241QA/AXIS 241SA - System options From the Time Mode section, select the prefer red me thod to use for setting the time: • Synchronize with computer time - sets the time from the clock on your com - puter . • Synchronize with NTP server - the video server obtains the time from an NTP server eve ry 60 minutes. S pecify the NTP server &ap[...]

50 AXIS 241QA/AXIS 241SA - System options Notes: • The ARP/Ping service is automa tically disabled two minutes afte r the unit is started, or as soon as an IP address is set. • Pinging the uni t will still be possible when this service is disabled. AXIS Internet Dynamic DNS Service - If th e AXIS 241QA/AXIS 241SA has been registered with the Ax[...]

51 AXIS 241QA/AXIS 241SA - System options Link-Local address IPv4 Address This is enabled by default and assigns th e AXIS 241QA/AXIS 241SA an additional IP address for use with UPnP™. The AXIS 241QA/ AXIS 241SA can have both a Link-Local IP and a static or DHCP-supplied IP address at the same time - these will not affect each other. HTTP The def[...]

52 AXIS 241QA/AXIS 241SA - System options SOCKS SOCKS is a networking proxy protocol. Th e AXIS 241QA/AXIS 241SA can be configured to use a SO CKS server to reach ne tworks on th e other sid e of a fire wall/proxy server. This function is useful if the video server is lo cated on a local network behind a firewall, but notifications, uploads, and al[...]

53 AXIS 241QA/AXIS 241SA - System options If the mail server requires SM TP authentication, check th e box for Use authentication to log in to this server and enter the user name and pass word used for logging in. Several different methods of authentication are available. See the online help for more information. SNMP The Simple Network Management [...]

54 AXIS 241QA/AXIS 241SA - System options Ports & devices I/O Ports - the pinout, interface support and th e control and monitoring functions provided by this connector are described in Unit connectors , on page 57 . RS232 - The COM port RS-232 on the AXIS 241QA/AXIS 2 41SA supports several operational modes listed on this page . For more infor[...]

55 AXIS 241QA/AXIS 241SA - System options Information - The Log report and the Parameter List also provide valuable info rmation for troubleshooting and when cont acting Axis support service. Configurat ion: Log Level for Log Files - from the drop-down list, select the level of information to be added to the Log file Log Level for Email - from the [...]

56 AXIS 241QA/AXIS 241SA - System options Resetting to the factory default settings To reset the AXIS 241QA/AXIS 241SA to the original default settings, go to the System Options > Maintenance web page (described in Maintenance , on page 54 ) or use the control button on the AXIS 241QA/ AXIS 241SA, as described below: Using the Contro l Button Fo[...]

57 AXIS 241QA/AXIS 241SA - Unit con nectors Unit connectors The following connectors are described in this section: • The D-Sub connector , on page 57 • The I/O terminal connector , on page 58 • COM ports RS-232 and RS-485 , on page 59 The D-Sub connector The AXIS 24 1QA/AXIS 24 1SA provides one 9-pi n D-Sub conn ector, pr oviding the physica[...]

58 AXIS 241QA/AXIS 241SA - Un it connectors The I/O terminal connector This section describes the pi nout and interface support provi ded by the 12-pin I/O terminal connector, wh ich includes: • 4 digital transistor outputs • 4 digital inputs • an RS-485 interface • auxiliary power and GND The terminal connector is used in applications for [...]

59 AXIS 241QA/AXIS 241SA - Unit con nectors Schematic diagram - I/O terminal connector COM ports RS-232 and RS-485 The COM Ports RS-232 and RS-485 su pport several operational modes: • Generic TCP/IP - enables the video serve r to receive statu s/data and send com - mands via TCP/IP • Generic HTTP - enables the video server to receive status/da[...]

60 AXIS 241QA/AXIS 241SA - Un it connectors[...]

61 AXIS 241QA/AXIS 241SA - Troubleshooting Troubleshooting Checking the firmware Firmware is software that determines the functionality of the AXIS 241QA/AXIS 241SA. One of your first acti ons when troubleshooting a problem should be to check t he currently installed version. The latest version may cont a in a correction that fixes your particular [...]

62 AXIS 241QA/AXIS 241SA - Troubleshooting Emergency recovery procedure If power or the network connection to th eAXIS 241QA/AXIS 241SA is lost during the upgrade, the process will fail and the unit will become unresponsive. A flashing red Status LED indicates a failed upgrade. To recover the unit, follow th e steps below. The serial number is foun[...]

63 AXIS 241QA/AXIS 241SA - Troubleshooting Symptoms, Possible Causes and Remedial Actions Problems setting the IP address Using ARP/Ping - the IP address must be set wi thin two minut es after power has been applied to the video server Restart the serve r and try again. Ensure als o the ping length is set to 408. (See th e AXIS 241QA/AX IS 241SA In[...]

64 AXIS 241QA/AXIS 241SA - Troubleshooting No images displayed in the Web interface Probl em with A MC ( Internet Explorer only ) To enable the updating of images in Microsof t Internet Explorer, set your browser to allow ActiveX controls. Also, make sure that AXIS Media Control (AMC) component is installed on your workstation. Installation of a dd[...]

65 AXIS 241QA/AXIS 241SA - Troubleshooting For additional assistance, plea se contact your reseller or ch eck the product’s support pages on the Axis Website at www.axis.com/ techsup Poor rendering of MPEG-4 images. Color depth set incorrectly on clients. Set to 16-bit or 32-bit color. If text overlays are blurred, or if there are other rendering[...]

66 AXIS 241QA/AXIS 241SA - Technical spe cifications Technical specifications Item Specification Models • AXIS 241QA: Four video channels, two-way audio • AXIS 241SA: One v ideo channel, two-way audio * Also available as Bla de versio ns for Axis Video Rack Solution Video compression • Motion JPEG • MPEG-4 Part 2 (ISO/IEC 14496-2), Profil e[...]

67 AXIS 241QA/AXIS 241SA - Te chnical specifications Connectors • Analog composite video, • NTSC/PAL autosensing inputs: • AXIS 241QA: 4 BNC inputs • AXIS 241SA: 1 BNC input and 1 BNC output: loop th rough or Y/C video input • Ethernet 10BaseT/100BaseTX, RJ-45 • Terminal block: 4 alarm inputs, 4 alarm outputs, RS-485/422 half duplex por[...]

68 AXIS 241QA/AXIS 241SA - Technical spe cifications Included accesso ries • Power supply 9 V DC, mounting brackets, connector kit, Installation Guide, CD with installation and management tools, softwa re and User’s Manual , MPEG-4 licenses (1 encoder, 1 decoder), MPEG-4 decoder (Windows) Applications (n ot inclu ded) • AXIS Camera Station - [...]

69 AXIS 241QA/AXIS 241SA - Te chnical specifications General performance co nsiderat ions When setting up your system, it is importa nt to c onsider how various settings and situations will affect performa nce. Some factors affect the amount of bandwidth (the bit rate) required, others can affect the frame rate, and some will a ffect both. If the l[...]

70 AXIS 241QA/AXIS 241SA - Technical spe cifications Important! • The figures displayed here are the values as delivered by the server. If other restrictions are currently in force, (e.g. bandwidth limitation) these valu es might not correspond to those actually received by the client. • For Motion JPEG, these values will only be a ccurate as l[...]

71 AXIS 241QA/AXIS 241SA - Te chnical specifications Bandwidth As there are many factors affecting bandwidth, it is very difficult to predict the required amounts. The settings that affect bandwidth are: • the image resolution • the image compression •t h e f r a m e r a t e • the MPEG-4 object type • the MPEG-4 GO V structure • the ana[...]

72 AXIS 241QA/AXIS 241SA - Glossa ry Glossary Active Speaker - a spea ker with a built-in power amplifier. ActiveX - ActiveX is a standard that enables software components to interact with one another in a networked environment, regardless of the language(s) used to create them. Web browsers may come into contact with ActiveX controls, ActiveX docu[...]

73 AXIS 241QA/AXIS 241SA - Glossary CCD (Charged Coupled Device) - This light-sensitive image device used in many digital cameras is a large integrated circuit that contains hundreds of thousands of photo-sites (pixels) that convert light energy into electronic signals. Its size i s measured diagonally and can be 1/4", 1/3", 1/2" or [...]

74 AXIS 241QA/AXIS 241SA - Glossa ry Dome networ k camera - A remotely controllable camera mounted in a special housing, characterized b y the dome shaped glass or plastic covering behind which the camera resides. Usually mounted on a ceiling and looking downwards, a dome camera can often rotate up to 360 degrees, thus providing excelle nt coverage[...]

75 AXIS 241QA/AXIS 241SA - Glossary type of images (I-VOPs or P-VOPs) included in the stream, and their internal order. See also GOV and VOP . Half-duplex - See Full-duplex . HTML (Hypert ext Markup Language) - HTML is the set of "markup" symb ols or codes inserted in a file intended for display in web browser. The markup tells the browse[...]

76 AXIS 241QA/AXIS 241SA - Glossa ry JPEG (Joint Photogr aphic Experts Group) - Together with the GIF file format, JPEG is an image file type commonly used on the web. A JPEG image is a bitmap, and usually has the file suffix '.jpg' or ".jpeg." When creating a JPEG image, it is possible to configure the level of compression to u[...]

77 AXIS 241QA/AXIS 241SA - Glossary NVR (Network Video Recorder) - A dedicated Network Video Record er (NVR) can be used to gather data stre ams from remote network ca meras and video servers an d store them on a hard disk. An NVR can be a standard networked PC, or a de dicated video record ing hard disk server with its own software application. OE[...]

78 AXIS 241QA/AXIS 241SA - Glossa ry RS-232 - A long-established standard that describes the physical interface and protocol for low-speed serial data communication between devic es. This is the interfac e that e.g. a computer uses to talk to and exchange data with a modem and other serial devices. RS-422 - A serial data c ommunication protocol tha[...]

79 AXIS 241QA/AXIS 241SA - Glossary identity of the server. Subnet & subnet mask - A subnet is an identifiably separate part of an organization's network. T ypically, a subnet may represent all the machines at o ne geographic location, in one building, or on the same local area network (LAN). Having an organization's network divide d [...]

80 AXIS 241QA/AXIS 241SA - Glossa ry VPN (Virtual Private Network) - This creates a secure "tunnel" between the points within the VPN. Only devices with the correct "key" will be able to work within the VPN. The VPN network can be within a company LAN (Local Area Network), but different sites can also be connected over the Inter[...]

81 AXIS 241QA/AXIS 241SA - Index Index A Action 39 Action buttons 30 Active/Inactive 11 Administrators 17, 45 Advanced TCP/IP settings 50 Alar m 39, 43, 5 8 Allowed IP addresses 45 AMC Viewer Toolbar 12 Anonymous viewers 45 ARP/Ping 49 Audio input 24 Audio mode 23 Audio output 25 Audio settings 23 Audio transmis sion 16 AXIS Internet Dynamic DN S S[...]

82 AXIS 241QA/AXIS 241SA - Index M Maximum bandwidth 51 Motion detecti on 42 Motion JPEG 13 , 16 MPEG-4 13, 16 MPEG-4 clients 16 MPEG-4 protocols 14 MPEG-4 settings 53 Multicasting 14 N Network settings 49 Network traffic 51 O Operators 46 Output buttons 11 Overlays 19 Overview 5 Own home page 29 Own web files 28 P Pan/Tilt/Zoom 34, 59 Pinout - I/O[...]

83 AXIS 241QA/AXIS 241SA - Index Video streams 13, 15, 19[...]