Axis Communications 241Q manuel d'utilisation

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Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation Axis Communications 241Q. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel Axis Communications 241Q ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Axis Communications 241Q décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Axis Communications 241Q devrait contenir:
- informations sur les caractéristiques techniques du dispositif Axis Communications 241Q
- nom du fabricant et année de fabrication Axis Communications 241Q
- instructions d'utilisation, de réglage et d’entretien de l'équipement Axis Communications 241Q
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Axis Communications 241Q ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Axis Communications 241Q et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Axis Communications en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Axis Communications 241Q, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Axis Communications 241Q, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Axis Communications 241Q. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    AXIS 241Q/241S Video Server User’s Manual[...]

  • Page 2

    About Thi s Document This manual is intended fo r administrators and users of the AXIS 241Q/241S, with firmware release 4.47. The manual includes ins tructions for using an d managing the Vid eo Server on your network. Prev ious experience of networking will be of use when installing and using this pro duct. Some knowledge of UNIX or Linux-based sy[...]

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    [...]

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    4 AXIS 241Q/241S Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 LED indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Switches & connectors . . . . . . . . . . . . . . . [...]

  • Page 5

    5 AXIS 241Q/241S System options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 8 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Date & time . . . . . . . . . . . . . . . . . . [...]

  • Page 6

    6 AXIS 241Q/241S - Product descr iption Product description This manual covers the fo llowing Axis video servers: • AXIS 24 1Q: 4-port video server (and blade version) • AXIS 24 1S: 1-port video server (and blade version) The Axis video server is full y featured for security surve illance and remote monitoring needs. It is based on the AX IS AR[...]

  • Page 7

    7 AXIS 241Q/241S - Product description AXIS 241Q The AXIS 241Q provides four BNC inputs for connecting analog video devices. AXIS 241S The AXIS 241S provides one BNC input fo r connecting an analog video device. LED indicators After completion of the startu p and self-test routines, the multi-colored LED indicators signal the following conditions: [...]

  • Page 8

    8 AXIS 241Q/241S - Product descr iption Switches & connectors DIP switch (AXIS 241Q) - A corresponding line termin atio n switch is supplied for each video input. All units are ship ped with line termination enable d for each video input, that is, with the DIP switch set in the down position. DIP switch (AXIS 241S) - Upon delivery the dip switc[...]

  • Page 9

    9 AXIS 241Q/241S - Product description I/O terminal connector - The I/O terminal connector provide s the physical interface to four digital transistor outputs, four digita l inputs and an RS-485 interface. See Unit connectors , on page 49 for more information. Note: The I/O terminal connector also provides an auxiliary connection point for DC power[...]

  • Page 10

    10 AXIS 241Q/241S - Using AXIS 241Q/241S Using AXIS 241Q/241S The AXIS 241Q/241S can be used with most st andard operating syst ems and web browsers. The recommended browser is Internet Explorer with Microsoft Window s, and Firefox with other operating systems. See also the Technical specifications , on page 58 . Note: For information on installing[...]

  • Page 11

    11 AXIS 241Q/241S - Using AXIS 241Q/241S Notes: • To view streaming video in Microsoft Intern et Explorer, set your web browser to allow the installation of AXIS Med ia Control (AMC ) on your computer. AM C also provides an MPEG-4 decoder for viewing MPEG-4 video stream s. This decoder is in stalled the first time an MPEG-4 video stream is access[...]

  • Page 12

    12 AXIS 241Q/241S - Using AXIS 241Q/241S The AMC viewer toolbar (AXIS Media Control) is available only with Microsoft Internet Explorer and displays the following buttons: The Play/Stop buttons start and stop the media stream. The Snapsh ot button saves a snapshot of the vi deo image. The Snapshot function and the target directory for saving snap s[...]

  • Page 13

    13 AXIS 241Q/241S - Video streams Video streams The AXIS 241Q/241S provides several video stre am formats. The type you want to use depends on your requirements and the properties of your network. The Live View page in AXIS 241Q/241S pr ovides access to Motion JPEG and MPEG-4 video streams, and to single JPEG images. Ot her applications and clients[...]

  • Page 14

    14 AXIS 241Q/241S - Video stre ams MPEG-4 protocols and communication methods To deliver live streaming video over IP netw orks, vario us 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 dia data, via unic[...]

  • Page 15

    15 AXIS 241Q/241S - Video 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 get dropped. This can be configured as multicast or unicast. Multicasting provides the most effic ient usa[...]

  • Page 16

    16 AXIS 241Q/241S - Video stre ams Other MPEG-4 clients Although it may be possible to use other clie nts to view the MPEG-4 stream, it is not guaranteed that it will work in all cases. For some other clients, for example, QuickTime™ the Video Object Type must be set to Simple . It may also be necessary to adjust the advanced MPEG-4 settings. To [...]

  • Page 17

    17 AXIS 241Q/241S - Configurin g the video server Configuring the video server This section describes how to configure th e Axis video server and is intended for administrators , who have unrestri cted acce ss to all the Setup tools The Axis video server is configured from the Se tup link, in a standard web browser. For more information on su pport[...]

  • Page 18

    18 AXIS 241Q/241S - Video & image settin gs Video & image settings You can configure the video and image setting s from the following page. For details of each setting, please refer to the online help available from each page. Image settings Image Appearance Modify the Im age Appearance to optimize the video images according to your require[...]

  • Page 19

    19 AXIS 241Q/241S - Video & image settings online help . The color of the text may be set to white or black, while background color may be set to white, black, transparent or se mitransparent. The positio n of the text is set either to the top or the bottom of the image. Video Stream The Maximum video stream time can be set as Unlimited , or se[...]

  • Page 20

    20 AXIS 241Q/241S - Video & image settin gs MJPEG settings Sometimes the image size is large due to lo w light or complex scenery. Adjusting the maximum frame size helps to control the ba ndwidth and storage used by the MJPEG video stream in these situations. Defining the fram e size as Unlimited provides consistently good image quality at the [...]

  • Page 21

    21 AXIS 241Q/241S - Video & image settings Overlay/Mask settings Overlay/Mask type allows you to place an overlay, or up to three privacy masks over the video image: • Upload and place an image as an overlay (as extra information in the video image). • Place up to thre e configurable pri - vacy masks to conceal different areas of the video [...]

  • Page 22

    22 AXIS 241Q/241S - Video & image settin gs 1. Select an uploaded image from the Use image drop-down list. 2. Place the image at the required locati on by entering the x and y co ordinates. 3. Click Save. Note: The x and y coordinates, and the width and height of the overlay/mask are relati ve to the maximum avail- able resolution of the produc[...]

  • Page 23

    23 AXIS 241Q/241S - Live View Config Live View Config Layout The Live View Layout page enables you to define the lay out of the Live View page. The layout can be set in three ways: • Use Axis look - the layout is unchanged. • Use custom settings - to modify the defa ult page with your own colors, and images, click the Configure button. • Own [...]

  • Page 24

    24 AXIS 241Q/241S - Live View Config Customizing the default page The appearance of the default Axis video server 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 Your own web fi[...]

  • Page 25

    25 AXIS 241Q/241S - Live View Config Default Video Format Select the default video format to use on th e Live View page. Check the box against Show video format selection to view the drop-down list on the Live View page. Here you can temporarily change the format. Default Viewer Select from the drop-down list th e viewer you wish to use f o r your [...]

  • Page 26

    26 AXIS 241Q/241S - Live View Config 6. Enter the cgi link: http://192.168.0.125/axis-cgi/com/ptz.c gi?camera=1&continuouspantiltmove=0,0 These links appear in the we b interface and can be used to control the PTZ camera For more information on VAPIX®, Axis Commu nications’ powerful API, see the Developer pages at the Axis web site www.axis.[...]

  • Page 27

    27 AXIS 241Q/241S - Event configuration Event configuration This section describes how to configure AXIS 241Q/241S for alarm handling. Various actions can be configured to run wh en certain types of events occur. Event Servers Event Servers are used for receiving uploaded image files and/or notification messages. To set up an Event Server for your [...]

  • Page 28

    28 AXIS 241Q/241S - Event configuration Triggered Event A triggered event could be activated by: • a push button connected to an input port on the video server • a manual action such as clicking the trigger button in the web interface • a lost signal from a video source • detected movement in a config ured motion detection window • on res[...]

  • Page 29

    29 AXIS 241Q/241S - Event configuration Pre-trigger and post-trigger buffers This function is very useful when checking to see what happened immediately before and after a trigger, for example, two minutes be fore and after a door was opened. Check the box Upload images under Event Types > Add Tri ggered... > When triggered... to view the ava[...]

  • Page 30

    30 AXIS 241Q/241S - Event configuration Camera tampering The camera tampering application genera tes an alarm whenever the camera is repositioned, or when the lens is covered, sprayed, or severely defocused. You must create an event, (see Ho w to se t up a trigger ed event , on page 28, for the camera to send an alarm. Motion detection In the Motio[...]

  • Page 31

    31 AXIS 241Q/241S - Event configuration How to configure Motion Detection 1. Click Motion Detection in the Event C onfig menu. 2. a) With AMC: Check the radio button Configure Include Windows or Configure Exclu de Windows and click New . b) Without AMC: Click Ad d W i n d o w and check the Include to Exclude button. 3. Enter a descriptive na me for[...]

  • Page 32

    32 AXIS 241Q/241S - Event configuration Examples: • Avoid triggering on small objects in the image by selecting a high size level. • To trigger motion detection as long as ther e is activity in the area, select a h igh history level. • To only detect flashing light, low sensitivity can be selected. In other cases, a high sensitivity level is [...]

  • Page 33

    33 AXIS 241Q/241S - Pan Tilt Zoom Pan Tilt Zoom Installing PTZ devices AXIS 241Q/241S supports several Pan Tilt Zoom (PTZ) devices. Plea se see www.axis.com for a complete list of supported devices, an d to obtain the correct driver. Follow the instructions below to install a PTZ device: 1. Using an appropriate cable, connect the device to yo ur se[...]

  • Page 34

    34 AXIS 241Q/241S - Pan Tilt Z oom PTZ configuration Once PTZ has been instal led for the AXIS 241Q/241S PTZ Configuration now appears in the menu to the left. 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 P reset Position Setup , use the Pan, Tilt and Zoom [...]

  • Page 35

    35 AXIS 241Q/241S - Pan Tilt Zoom The controls shown depend on the model of the PTZ device. The most common controls are: • the Pan bar - moves the ca mera to the ri ght and left • the Tilt bar - tips the camera up and down • the Zoom bar - zooms the view in and out. Note that this is only available if the camera is fitted with a zoom le ns ?[...]

  • Page 36

    36 AXIS 241Q/241S - Pan Tilt Z oom Using CGI links to cont rol PTZ devices User-defined CGI links on the Live View page can be used to issue HTTP API requests, such as PTZ commands. These links are configured in the Live View Layout settings, see page 11 . PTZ control modes The PTZ device can also be controlled using click-in-i mage movement, which[...]

  • Page 37

    37 AXIS 241Q/241S - Pan Tilt Zoom Advanced Device Settings - The device settings window is fo r driver specific settings, so the appearance of this window can vary depending on the driver in stalled. Options that can be configured include: Driver Specific Settings, Mechanical Limits for Moving Video Source, Light Control, and Extended Driver Specif[...]

  • Page 38

    38 AXIS 241Q/241S - System options System options Security Users User access control is enabled by default, wh en the administrator sets th e root password on first a ccess. New u sers are authorized w ith user names and passwo rds, or the administrato r can choose to allow anonymous viewer login to the Live View page as described below: User list [...]

  • Page 39

    39 AXIS 241Q/241S - System options Notes: • If the referrals feature is enabled and you wish to also a llow normal access to the Live View page, the product's own IP ad dress or ho st name must be added to the list of allowed referrers. • Restricting referrers has no effect on an MPEG-4 video stream. To restrict an MPEG -4 stream, IP addre[...]

  • Page 40

    40 AXIS 241Q/241S - System options The AXIS network video device presents its cert ificate to the network switch, which in turn forwards this to the RADIUS serv er. The RADIUS server validates or rejects the certificate and responds to the switch, and sends its own certificate to the client for validation. The switch then allows or denies network a[...]

  • Page 41

    41 AXIS 241Q/241S - System options There are many commercial CAs that charge for their services. Institutions and governments may have their own CA, an d there are free CAs available. Date & time Current server t ime - displays the current da te and time (24h clock). The time can be displayed in 12h clock format in overlay images. New server ti[...]

  • Page 42

    42 AXIS 241Q/241S - System options Services Enable ARP/Ping setting of IP address - The IP address ca n be set usi ng the AR P/Ping method, which associates the un it's MAC address with an IP address. Check this box to enable the service. Leave disabled to preven t unintentional resetting of the IP address. Notes: • The ARP/Ping service is a[...]

  • Page 43

    43 AXIS 241Q/241S - System options Link-Local IPv4 Address This is enabled by default and assigns the AXIS 241Q/241S an additional IP address for use with UPnP™. AXIS 241Q/241S can have both a Link-Local IP and a static or DHCP-supplied IP address at the same ti me - these will not affect each other. HTTP The default HTTP port number (80) can be [...]

  • Page 44

    44 AXIS 241Q/241S - System options QoS (Quality of service) Quality of Service (QoS) provides the means to guarantee a certain level of a specified resource to selected traffic on a network. Qu ality can be defined as a maintained level of bandwidth, low latency, and no packet losses . The main benefits of a QoS-aware network are: • The ability t[...]

  • Page 45

    45 AXIS 241Q/241S - System options SNMP The Simple Network Management Protocol (SNMP) allows the remote management of network devices. Select the ve rsion of SNMP to use, depend ing on the level of security required, by checking the appropriate bo x. The three levels of security are: • SNMP V1 - includes no security • SNMP V2c - uses very simpl[...]

  • Page 46

    46 AXIS 241Q/241S - System options RS485 - The COM ports on the AXIS 241Q/241S supports several operational modes listed on this page. For more information, please see COM ports RS-232 and RS-485, on pag e 51 . Maintenance • Restart - The unit is restarted without changing any of the settings. Use this method if the unit is not behaving as expect[...]

  • Page 47

    47 AXIS 241Q/241S - System options System Log - Provides information about system events. Access Log - The Access Log may be used for various purposes: • Security - Tracking all access to your th e camera. The access log lists the IP addresses, users and netw orking protocols used to access the camera. • Simple web attraction track er . • Sys[...]

  • Page 48

    48 AXIS 241Q/241S - System options Resetting to the factory default settings To reset the AXIS 241Q/241S to the original de fault settings, go to the System Options > Maintenance web page (described in Maintenance , on page 46 ) or use the control button on the Axis video server, as described below: Using the Control B utton Follow the instructi[...]

  • Page 49

    49 AXIS 241Q/241S - Unit connectors Unit connectors The following connectors are described in this section: • The D-Sub connector , on page 49 • The I/O terminal connector , on page 50 • COM ports RS-232 and RS-485 , on page 5 1 • Y/C to BNC cable , on page 52 The D-Sub connector The Axis video server provides one 9-pin D-Sub connector, pro[...]

  • Page 50

    50 AXIS 241Q/241S - Unit 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, which includes: • 4 digital transistor outputs • 4 digital inputs • an RS-485 interface • auxiliary power and GND The terminal connector is used in applications for motion de[...]

  • Page 51

    51 AXIS 241Q/241S - Unit connectors 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 - enable s the video server to rece ive status/data and send c om - mands via TCP/IP • Generic HTTP - enables the video server to receive status/data and [...]

  • Page 52

    52 AXIS 241Q/241S - Unit connectors Y/C to BNC cable AXIS 24 1Q/24 1S supports conversion from Y/C (S-video) to composite video using an Y/C to BNC cable. The cable is available as an accessory - see the Axis Web site at: www.axis.com. Follow these instructions to connect the Y/ C to BNC cable: 1. Connect the BNC conne ctor mark ed IN to the Video [...]

  • Page 53

    53 AXIS 241Q/241S - Troubleshooting Troubleshooting Checking the firmware Firmware is software th at determines the fu nctionality of the Axis video server. One of your first actions when troubleshooting a problem should be to check the currently installed version. The latest version may cont ain a correction that fixes your particular problem. The[...]

  • Page 54

    54 AXIS 241Q/241S - Troubleshooting Emergency recovery procedure If power or the network connection to the Axis video server 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 the steps below. The serial number i s found on the un[...]

  • Page 55

    55 AXIS 241Q/241S - Troubleshooting Symptoms, Possible Causes and Remedial Actions Problems setting the IP address Using ARP/Ping The IP address must be set within two minute s after power has been applied to the video server. Restart the server and try again. Ensure also the ping leng th is set to 408. (See the Axis video server Installation Guide[...]

  • Page 56

    56 AXIS 241Q/241S - Troubleshooting No images displayed in the Web interface Proble m with AMC ( 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 AXI S Media Control (AMC) component is installed on your workstation. Installation of a dditional[...]

  • Page 57

    57 AXIS 241Q/241S - Troubleshooting For additional assistance, plea se contact your reseller or ch eck the product’s support pages on the Axis website at www.axis.c om/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 proble[...]

  • Page 58

    58 AXIS 241Q/241S - Technical specifications Technical specifications Item Specification Models • AXIS 241Q*: 4 video channels • AXIS 241S*: 1 video chann el * Also available as Blade vers io ns for Axis Video Rack Solution Video compression • MPEG-4 Part 2 (ISO/IEC 14496-2) • Motion JPEG Resolutions • 4CIF, 2CIF Expanded, 2 CIF, CIF, QCI[...]

  • Page 59

    59 AXIS 241Q/241S - Technical specifica tions Supported protocols • IPv4/v6, HTTP, HTTPS, QoS layer 3 DiffServ, FTP, SMTP, Bonjour, UPnP, SNMPv1/v2c/v3 (MIB-II), DNS, DynDNS, NT P, RTSP, RTP, TCP, UDP, IGMP, RTCP, ICMP, DHCP, ARP, SOCKS, etc. • SSL/TLS* *This product includes software developed by the Open SSL Project for use in the Open SSL To[...]

  • Page 60

    60 AXIS 241Q/241S - Technical specifications Approvals • EN 55022 Class B • EN 61000-3-2 • EN 61000-3-3 • EN 55024 • FCC Part 15 Subpart B Class B • ICES-003 Class B • VCCI Class B • C-tick AS/NZS CISPR 22 • EN 60950 • Power supply: EN 60950, UL, cUL Dimensions (HxWxD) • 42 x 140 x 155 mm (1.7” x 5.5” x 6.1”) Weight • [...]

  • Page 61

    61 AXIS 241Q/241S - Technical specifica tions General performance co nsiderations When setting up your system, it is importa nt to consider 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 load on th[...]

  • Page 62

    62 AXIS 241Q/241S - Technical specifications Frame rates - Motion JPEG The following test results show the frame ra tes in frames/second (fps) for Motion JPEG streams from the AXIS 241Q/241S, using a co mpression level of 50%. Note that these values are guidelines only - actual values may vary. Frame rates - MPEG-4 The following test results show t[...]

  • Page 63

    63 AXIS 241Q/241S - Technical specifica tions 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 analog cam[...]

  • Page 64

    64 AXIS 241Q/241S - Glossary Glossary Active Speaker - a speake r with a built-in powe r amplifier. ActiveX - ActiveX is a standard that enables software components to interact with one another in a networked environme nt, regardless of the language(s) used to create them. Web browsers may come into contact with ActiveX controls, ActiveX documents,[...]

  • Page 65

    65 AXIS 241Q/241S - Glossary CCTV video came ra - A traditional CCTV video camera is an analog camera, available in both monochrome (black and white) and color. Cameras can be set in fixed positions or pl aced on "Pan/T ilt/Zoom" devices, which allow the camera to be maneuvered. Using a zoo m lens provides a closer view of the object bein[...]

  • Page 66

    66 AXIS 241Q/241S - Glossary Ethernet - Ethernet is the most widely installed local area network technology. An Ethernet LAN typically uses spec ial grades of twisted pair wires. The most commonly installed Ethe rnet systems are 10BASE-T and 100BASE-T10, which provide transmission speeds up to 10 Mbps and 100 Mbps respectively. ETRAX (Ethernet Toke[...]

  • Page 67

    67 AXIS 241Q/241S - Glossary Image compression - Image compression minimizes the file size (in bytes) of an image. Two of the most common compressed image formats are JPEG an d GIF. See also MPEG and Motion JPEG . Interlacing - Interlaced video is video ca ptured at 50 pictures (k nown as fields) per second, of whic h every 2 consecutive fields (at[...]

  • Page 68

    68 AXIS 241Q/241S - Glossary Motion JPEG - Motion JPEG is a simple compression/decompression technique for netwo rk video. Latency is low and image quality is guaranteed, regardless of movement or complexity of the image. Image quality is controlled by adjusting the compression level, which in turn p rovides control over the file size, and thereby [...]

  • Page 69

    69 AXIS 241Q/241S - Glossary WAN (Wide Area Network) as a large single LAN (Local A rea Ne twork). This kind of interconnection is known as a virtual private network (VPN). Pre/post alarm images - The images from immediately before and after an alarm. These images are stored in a buffer for later retrieval. Progressive scan - Progressive scan, as o[...]

  • Page 70

    70 AXIS 241Q/241S - Glossary computers. A computer running a server program is also freq uently referred to as a server. In practice, t he server may contain any number of server and client program s. A web serv er is the computer program that supplies the requested HTML pages or files to the client (web browser). SMTP (Simple Mail Transfer Protoco[...]

  • Page 71

    71 AXIS 241Q/241S - Glossary Video camera - See Network camera and CCTV video camera . Video decoder - A network video decoder converts digital vide o streams back into analog signals, which can then be displayed on standard TV sets, analog monitors and video switches. Video encoder (video serve r) - A video encoder/server digitizes analog video si[...]

  • Page 72

    72 AXIS 243SA - Index Index A Access Log 47 Action buttons 25 Active/Inactive 11, 26 Administrators 17, 38 Advanced TCP/IP settings 42 Alarm 27, 30, 50 Allowed IP addre sses 38 AMC Viewer Toolbar 12 Anonymous viewers 38 ARP/Ping 42 AXIS Internet Dynamic DNS Service 42 AXIS Media Contro l (AMC) 14 B Backup 46 Bandwidth 13, 63 Basic TCP/IP settin gs [...]

  • Page 73

    73 AXIS 243SA - Index Enable ARP/Ping 42 Event configuration 27 Event servers 27 Event types 27 External video 26 F Factory default settings 48 Frame rates 19, 20, 62 FTP server 27 G Generic HTTP 51 Generic TCP/IP 51 H Host name 42 HTML examples 26 HTTP API 36 HTTP API requests 25 HTTP port number 43 HTTP server 27 HTTPS 39 I I/O Ports 45 I/O termi[...]

  • Page 74

    74 AXIS 243SA - Index MPEG-4 settings 45 Multicasting 14 N Network settings 41 Network traffic 43 O Operators 38 Output buttons 11, 26 Overlays 18 Own home page 24 Own web files 24 P Pan/Tilt/Zoom 34, 51 Pinout - I/O connectors 50 Port status 32 Ports & Devices 45 Post-trigger buffer 29 Pre-trigger buffer 29 PTZ commands 25, 36 PTZ control queu[...]

  • Page 75

    75 AXIS 243SA - Index Sequence mode 11 Services 41 SMTP settings 44 Snapshot 11 SOCKS server 43 Specifications 58 Streaming MPEG-4 14 Support 46 S-Video 52 System options 38 T TCP server 27 TCP/IP settings 41 Transistor output 50 Trigger butto ns 11 Triggered event 27 Troubleshooting 53 U UDP 14 Upgrade Server 46 UPnP 45 User Defined Links 25 Users[...]