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AXIS 241QA/AXIS 241SA Video Server
User’s Manual
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Europe - This digital equipment fulfills the requirements About This Document 2 for radiated emission according to limit B of EN55022/1998, This manual is intended for administrators and users of and the requirements for immunity according to EN55024/1998 Axis video servers. This manual describes AXIS residential, commercial, and light industry. 241QA/AXIS 241SA, with firmware release 4.47. The manual includes instructions for using and managing the Liability AXIS 241QA/AXIS 241SA on
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AXIS 241QA/AXIS 241SA 3 Table of contents Product description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Overview of the AXIS video server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 AXIS 241QA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 AXIS 241SA . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Axis video server 4 Event configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Event servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Event types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Camera tampering . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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AXIS 241QA/AXIS 241SA - Product description 5 Product description This manual describes the AXIS 241QA: 4-port video server including 2-way audio, and the AXIS 241SA: 1-port video server 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 based on the AXIS ARTPEC-2 compression chip, and can digitize up to four analog video sources and make these available on the network as real-time, fu
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AXIS 241QA/AXIS 241SA - Product description 6 AXIS 241QA The AXIS 241QA provides 4 BNC inputs for connecting analog video devices. The AXIS 241QA also provides a Line/Microphone In (mono) connector for connecting an external microphone or other source, producing a line level signal. An active speaker with a built-in amplifier can be connected to Line Out (mono), to enable two-way communication. Audio communication can be bi-directional (full-duplex), push to talk (half-duplex) or in one d
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AXIS 241QA/AXIS 241SA - Product description 7 Power Green Normal operation. Amber Flashes green/amber during firmware upgrade. Switches & connectors DIP switch - A corresponding line termination 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 with other equipment, disable the input termination by turning the corres
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AXIS 241QA/AXIS 241SA - Product description 8 Note: The I/O terminal connector also provides an auxiliary connection point for DC power. Network connector - The Axis video server connects to the network via a standard network cable, and automatically detects the speed of the local network segment (10BaseT/100BaseTX Ethernet). RS-232 connector - A 9-pin D-SUB connector providing an RS-232 serial connection. Typically used for connecting Pan/Tilt/Zoom devices. See Unit connectors, on page 57
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AXIS 241QA/AXIS 241SA - Using the video server 9 Using the video server The AXIS 241QA/AXIS 241SA can be used with most operating systems and web browsers. The recommended browser is Internet Explorer with Windows, and Mozilla with other operating systems. See also the Technical specifications, on page 66. Note: For information on installing the video server, please refer to the Installation Guide. Accessing the video server 1. Start your web browser. 2. Enter the IP address or host name
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AXIS 241QA/AXIS 241SA - Using the video server 10 Notes: • To view streaming video in Microsoft 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 decoder for viewing MPEG-4 video streams. This decoder is installed the first time an MPEG-4 video stream is accessed. Please note that the product administrator may have disabled the insta
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AXIS 241QA/AXIS 241SA - Using the video server 11 5. If required, click Yes to install the AXIS Media Control (AMC). You will need administrator rights on the computer to do this. The Live View Page If your AXIS 241QA/AXIS 241SA has been customized to meet specific requirements, all the buttons and other items described below may not be displayed on the Live View page. Below you have an overview of all the buttons: The Video Format drop-down list allows the video format on the Live View
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AXIS 241QA/AXIS 241SA - Using the video server 12 The Snapshot button saves a snapshot of the video image currently displayed. The Snapshot function and the target directory for saving snapshots can be configured from the AMC Control Applet, which can be opened from the Windows Control Panel or by right-clicking the image. Click the View Full Screen button and the video image will fill the entire screen area. No other windows will be visible. Press Esc (Escape) on your keyboard to cancel
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AXIS 241QA/AXIS 241SA - Video and audio streams 13 Video and audio streams The AXIS 241QA/AXIS 241SA provides several different video and audio stream formats. The type to use depends on your requirements 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 audio streams, as well as to single JPEG images. Other applications and clients can also access these video and audio streams/images directly, without
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AXIS 241QA/AXIS 241SA - Video and audio streams 14 MPEG-4 protocols and communication methods To deliver live streaming video over IP networks, 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 multimedia data, via unicast or multicast. • RTSP (Real-Time Streaming Protocol) serves as a control protocol, to negotiate which transport protocol to use fo
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AXIS 241QA/AXIS 241SA - Video and audio streams 15 RTP+RTSP This method (actually RTP over UDP and RTSP over 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 most efficient usage of bandwidth, especially when there are large numbers of clients viewing simultaneously. Note however, that a multicast br
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AXIS 241QA/AXIS 241SA - Video and audio streams 16 Other MPEG-4 clients Although it may be possible to use other clients 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. To access the video stream from e.g. QuickTime™ the following path can be used: rtsp:///mpeg4/#/media.amp This path is for all supported methods,
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AXIS 241QA/AXIS 241SA - Configuring the video server 17 Configuring the video server This section describes how to configure the AXIS 241QA/AXIS 241SA and is intended for administrators, who have unrestricted access to all the Setup tools The AXIS 241QA/AXIS 241SA is configured from the Setup link in a web browser. For more information on supported browsers, see the Technical specifications, on page 66. Accessing the Setup tools Follow the instructions below to access the Setup Tools from a
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AXIS 241QA/AXIS 241SA - Video & image settings 18 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 the online help available from each page. Click to access the online help. Image settings Image appearance Modify image appearance to optimize the video images according to your requirements. All configuration of images and overlays will affect the performance of the video server, depending on th
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AXIS 241QA/AXIS 241SA - Video & image settings 19 Mirroring Mirroring is the horizontal flipping of an image, that gives you another image perspective. This is a useful function when you need a direct view of the image, for example, in ATMs and door phones. The mirroring settings should be defined before you define the parameters for privacy masks and motion detection. Text overlay settings Include date, time and/or text of your choice to be viewed on the image. The color of the text may b
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AXIS 241QA/AXIS 241SA - Video & image settings 20 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 for different clients or groups of clients. These settings allow you to define the type of viewing client to use. Adjusting the maximum bit rate and setting it to variable or constant is a good way of controlling the bandwidth used b
