AXIS 240Q Video Server User’s Manual
About This Document This manual is intended for administrators and users of the AXIS 240Q Video Server, and is applicable for firmware release 4.40. It includes instructions for using and managing the AXIS 240Q on your network. Previous experience of networking will be of use when installing and using this product. Some knowledge of UNIX or Linux-based systems would also be beneficial, for developing shell scripts and applications.
AXIS 240Q Table of contents Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 AXIS 240Q Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 AXIS 240Q Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Using the video server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AXIS 240Q Network - Advanced TCP/IP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 SOCKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 QoS (Quality of service) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 SMTP (email) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 SNMP. .
AXIS 240Q - Product Description Product Description The AXIS 240Q is a fully featured video server for security surveillance and remote monitoring needs. Based on the AXIS ARTPEC-2 compression chip, it can digitize up to 4 analog video sources and make these available on the network as real-time Motion JPEG video streams, at a maximum frame rate of 5 (PAL) or 6 (NTSC) frames per second. Video can be viewed in 5 resolutions (up to 4CIF), and image compression is configurable.
AXIS 240Q - Product Description AXIS 240Q Front Panel Indicators - After completion of the startup and self-test routines, the multi-colored Network, Status, Power Indicators flash as follows: Network Unlit No connection. Green Steady for connection to a 100 Mbit/s network. Flashes for network activity. Amber Steady for connection to a 10 Mbit/s network. Flashes for network activity. Unlit When configured for “no flash” on camera access. Green Steady for normal operation.
AXIS 240Q - Product Description AXIS 240Q Rear Panel The Serial Number is located on the label on the underside of the unit. Power adapter connector - A single socket for connection of the PS-K power adapter. I/O Terminal connector - The I/O Terminal connector provides the physical interface to 4 digital transistor outputs, 4 digital inputs and an RS-485 interface. See Unit Connectors, on page 47 for more information.
AXIS 240Q - Using the video server Using the video server The AXIS 240Q can be used with most standard 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 67. Note: For information on installing the video server, please refer to the Installation Guide. Accessing the video server 1. Start your browser. 2.
AXIS 240Q - Using the video server Notes: 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 241SA, AXIS 241QA and AXIS 243SA. 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.
AXIS 240Q - Video Streams Use the Snapshot button to capture a snapshot of the image currently being displayed in the window. Right-click on the image to save it in on your computer. The AMC viewer toolbar (AXIS Media Control) is available in Microsoft Internet Explorer only and displays the following buttons: The Play/Stop buttons start and stop the live video stream. The Snapshot button takes a snapshot of the currently displayed image.
AXIS 240Q - Video Streams The AXIS Media Control (AMC) The recommended method of accessing live video (Motion JPEG) from the AXIS 240Q is to use the AXIS Media Control (AMC) in Microsoft Internet Explorer in Windows. This ActiveX component is automatically installed on first use, after which it can be configured by opening the AMC Control Panel applet from the Windows Control Panel. Alternatively, right-click the video image in Internet Explorer.
AXIS 240Q - Configuring the video server Configuring the video server This section describes how to configure the AXIS 240Q and is intended for administrators, who have unrestricted access to all the Setup tools The AXIS 240Q is configured from the Setup link, in a standard browser For more information on supported browsers, see the Technical specifications, on page 67. Accessing the Setup tools Follow the instructions below to access the Setup Tools from a browser. 1.
AXIS 240Q - Video & Image Settings Video & Image Settings The following descriptions show examples of the available features in the AXIS 240Q. For details about each setting, please refer to the online help available from each page. to access the online help. Click Image Settings Image Appearance Modify the Image Appearance to optimize the video images according to your requirements.
AXIS 240Q - Video & Image Settings Text Overlay Settings Include date, time and/or text of your choice to be viewed on the image. The color of the text may be set to white or black, while background color may be set to white, black, transparent or semitransparent. The position 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 set a maximum stream time per session in seconds, minutes or hours.
AXIS 240Q - Video & Image Settings Overlay/Mask settings Overlay/Mask type Text Overlay/Mask type allows you to overlay place an overlay, or up to three priImage vacy masks over the video image: Overlay • Upload and place an image as an overlay usually used to provide extra information in the video image. • Place up to 3 configurable privacy masks to conceal different areas of the video image. Selecting the overlay/mask type from the menu will display further settings available for the selected type.
AXIS 240Q - Video & Image Settings Overlay image requirements: Image Formats Image Size • Windows 24-bit BMP (full color) • Windows 4-bit BMP (16 colors) The height and width of the overlay image in pixels must be exactly divisible by 4. Overlay image limitations: • The maximum overlay image size supported by the AXIS 240Q is the same as the maximum image resolution. See Technical Specifications, on page 54.
AXIS 240Q - Video & Image Settings Use a Privacy Mask To use privacy masks to hide different areas of the video image: 1. Select Configurable areas as privacy mask in the drop-down list for Overlay/Mask Type. New options appear. 2. Enter the (x,y) coordinates of the top left hand corner of the mask, and the height and width to define the masks’ placement and size. 3. Select the privacy masks’ color: black, grey, white, or red. 4.
AXIS 240Q - 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 3 ways: • Use Axis look - the layout is unchanged. • Use custom settings - modify the default page with your own colors, images etc. Click the Configure button and see the following page. • Own Home Page - Upload and use your own custom made page as the default web page. Click the Configure button and see the following page.
AXIS 240Q - Live View Config Customizing the default page The appearance of the default AXIS 240Q 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 files, click the Upload/Remove button and see the description below. Note that the setup address is http:///operator/basic.shtml Upload Own Web Files Your own web files, background pictures, etc.
AXIS 240Q - Live View Config User Defined Links Enter a descriptive name and enter the URL in the provided field. The link will appear on the Live View page. User defined CGI links can be used to issue HTTP API requests, e.g. PTZ commands. Example: 1. Check Show Custom Link 1 2. Enter a descriptive name, e.g. CAM1 Start PTZ. 3. Enter the cgi link: http://192.168.0.125/axis-cgi/com/ptz.cgi? camera=1&continuouspantiltmove=30,-30 4. Check Show Custom Link 2. User Defined Links 5.
AXIS 240Q - Live View Config Default Viewer Select from the drop-down list the viewer you wish to use for your web browser. Please see the online help for more information. Viewer Settings Show crosshair in PTZ joystick mode - This will enable the display of a crosshair in the video image when the the PTZ mode is set to joystick. Use PTZ joystick mode as default - Enabling this sets the PTZ mode to joystick.
AXIS 240Q - Event Configuration Event Configuration This section describes how to configure the AXIS 240Q for alarm handling. Various actions can be configured to run when certain types of events occur. Event type A set of parameters describing how and when the video server is to perform certain actions Triggered Event (see page 23) - the circumstances that start an event e.g.
AXIS 240Q - Event Configuration Event Types An Event Type is a set of 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 e.g. record and send video images to an FTP server, or send a notification email to a pre-configured email address with a pre-configured message. Video images can be sent as an attachment with the email.
AXIS 240Q - 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, e.g. 2 minutes before and after a door was opened. Check the Upload images checkbox under Event Types > Add Triggered... > Triggered by... to expand the web page with the available options. Up to 3 MB of memory (per video source) is available for the pre-/post-trigger buffer.
AXIS 240Q - Event Configuration 7. Click OK to save the Event in the Event Types list. Please see the online help for descriptions of each available option. Motion Detection In the Motion Detection menu, you can configure the video source(s) for motion detection. The motion detection feature is used to generate an alarm whenever movement occurs (or stops) in the image. Motion detection is configured in Include/Exclude windows, of which up to 40 (10 per video source) can be configured.
AXIS 240Q - Event Configuration 6. Adjust the size (drag the bottom right-hand corner) and position (click on the text at the top and drag to the desired position). 7. Adjust the Object size, History and Sensitivity profile sliders (see table below for details). Any detected motion within an active window is then indicated by red peaks in the Activity window (the active window has a red frame). 8. Click Save.
AXIS 240Q - Pan Tilt Zoom Pan Tilt Zoom Installing PTZ Devices The AXIS 240Q supports several PTZ devices. Please see www.axis.com for a complete list of supported devices, and to obtain the correct driver. Follow the instructions below to install a PTZ device: 1. Using an appropriate cable, connect the device to your selected port (RS-232 or RS-485). These ports are available via the D-Sub connector and the I/O terminal connector, respectively. See page 49 for more information. 2.
AXIS 240Q - Pan Tilt Zoom Note: Advanced users and application developers can also use the Axis Application Programming Interface and HTTP specification for generic control of PTZ devices using CGI commands or a TCP/IP client. Please refer to the Axis Website at www.axis.com for further information. PTZ Configuration Once PTZ has been installed for the AXIS 240Q, PTZ Configuration now appears in the menu to the left along with the following submenus.
AXIS 240Q - Pan Tilt Zoom PTZ Controls If the AXIS 240Q has been appropriately configured, the Live View page will display the controls available for the installed Pan Tilt Zoom (PTZ) device. The administrator can enable/disable the controls for specified users. Preset positions Video sources Tilt bar (relative) The exact controls shown depends on the make and model of PTZ device. There may be e.g.
AXIS 240Q - Pan Tilt Zoom In contrast, when using an absolute driver, each position on the bar (see right) represents a defined position in the device’s range of movement, with the center of the bar representing the point midway between the two extremes of movement. Clicking a position directly on the bar moves the camera directly to the new position in one smooth movement. Clicking on the arrows at the ends of a bar causes a stepped, incremental change.
AXIS 240Q - Pan Tilt Zoom Preset Positions Also available with many PTZ devices are Preset positions. These presets are selected from the drop-down Source list on the Live View page and will move and/or zoom the camera to a pre-defined position, i.e. to cover an area of particular interest. Events can also be configured to go to preset positions when triggered. For information on setting up preset positions, please see Preset Positions, on page 28 and the online help.
AXIS 240Q - Pan Tilt Zoom OSD Menu - If the PTZ unit supports an internal configuration menu, this can be accessed using the On-Screen Display (OSD). Configure the analog camera by opening and navigating through its internal menu in this display. PTZ Control Queue Use the PTZ Control Queue window to enable and disable PTZ queueing.
AXIS 240Q - Pan Tilt Zoom The order of priority for taking control of the queue is listed below: 1. Administrators - An administrator may take the PTZ control regardless of who is currently first in queue. The administrator will be removed from queue 60 seconds after the their last PTZ control command. 2. Event - You can set up the AXIS 240Q to take control of the queue and move to a specific position for 20 seconds when triggered by an alarm.
AXIS 240Q - System Options System Options Security - Users User access control is enabled by default, when the administrator sets the root password on first access.
AXIS 240Q - System Options Notes: •If the referrals feature is enabled and you wish to also allow normal access to the Live View page, the product's own IP address or host 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 address filtering must be enabled. •Restricting referrers is of greatest value when not using IP address filtering.
AXIS 240Q - System Options Clients and servers in an 802.1x network may need to authenticate each other by some means. In the Axis implementation this is done with the help of digital certificates provided by a Certification Authority. These are then validated by a third-party entity, such as a RADIUS server, examples of which are Free Radius and Microsoft Internet Authentication Service. To perform the authentication, the RADIUS server uses various EAP methods/protocols, of which there are many.
AXIS 240Q - System Options The authentication process Axis video device 3 Certificate Q: Certificate OK? A: OK 2 Network switch Q: Certificate OK? A: OK 4 RADIUS server 1 Certificate Authority (CA) Certificate Protected network 1. A CA server provides the required signed certificates. 2. The Axis video device requests access to the protected network at the network switch. The switch forwards the video device’s CA certificate to the RADIUS server, which then replies to the switch. 3.
AXIS 240Q - System Options Date & Time Current Server Time - displays the current date and time (24h clock). The time can be displayed in 12h clock format in overlay images. New Server Time - Select your time zone from the drop-down list and check the daylight saving time changes, if desired. From the Time Mode section, select the preferred method to use for setting the time: • Synchronize with computer time - sets the time from the clock on your computer.
AXIS 240Q - System Options Services Enable ARP/Ping setting of IP address - The IP address can be set using the ARP/Ping method, which associates the unit's MAC address with an IP address. Check this box to enable the service. Leave disabled to prevent unintentional resetting of the IP address. Notes: • The ARP/Ping service is automatically disabled 2 minutes after the unit is started, or as soon as an IP address is set. • Pinging the unit will still be possible when this service is disabled.
AXIS 240Q - System Options Network - Advanced TCP/IP Settings DNS Configuration DNS (Domain Name Service) provides the translation of host names to IP addresses on your network. Obtain DNS server address via DHCP - automatically use the DNS server settings provided by the DHCP server. Click the View button to see the current settings.
AXIS 240Q - System Options NAT traversal Use NAT traversal when your video server is located on an intranet and you want to make it available from the other side of a NAT router. FTP The FTP server running in the AXIS 240Q enables the upload of e.g. new firmware, user applications, etc. Check the box to enable the service. RTSP The RTSP protocol allows a connecting client to start an MPEG-4 stream. Check the box to enable the RTSP server and enter the RTSP port number to use.
AXIS 240Q - System Options The QoS in Axis network video products marks the data packets for various types of network traffic originating from the product. This makes it possible for network routers and switches to e.g. reserve a fixed amount of bandwidth for these types of traffic. The following types of traffic are marked: • • • • live video live audio event/alarm traffic management network traffic.
AXIS 240Q - System Options If using HTTPS enter the password if it has not already been set. To set the password again, the AXIS 240Q must be reset to the factory default settings. Network - UPnP™ The video server includes support for UPnP™ in Windows ME and Windows XP. UPnP™ is enabled by default. Note: UPnP™ must be installed on your workstation. To do this, open the Control Panel from the Start Menu and select Add/Remove Programs.
AXIS 240Q - System Options Backup - To take a backup of all of the parameters, and any user-defined scripts, click this button. If necessary, it is then possible to return to a previous configuration if settings are changed and there is unexpected behavior. Restore - click the Browse button to locate the saved backup file (see above) and then click the Restore button. The settings will be restored to the previous configuration.
AXIS 240Q - System Options Advanced Scripting is an advanced function that provides the possibility to customize and use scripts. This function is a very powerful tool. Caution! Improper use may cause unexpected behavior or even cause loss of contact with the unit. If a script does cause problems, reset the unit to its factory default settings. A backup file may be of use to return the unit to its latest configuration).
AXIS 240Q - System Options Resetting to the Factory Default Settings To reset the AXIS 240Q to the original default settings, go to the System Options > Maintenance web page (as described in Maintenance, on page 43), or use the control button on the front panel, as described below: Using the Control Button 1. Switch off the AXIS 240Q by disconnecting power. 2. Press and hold the Control button while you reconnect power. 3.
AXIS 240Q - Unit Connectors Unit Connectors The following connectors are described in this section: • • • The D-Sub Connector, on page 47 The I/O Terminal Connector, on page 48 COM Ports RS-232 and RS-485, on page 49 The D-Sub Connector The AXIS 240Q provides one 9-pin D-sub connector, providing the physical interface for an RS-232 port, used for connecting accessory equipment, such as PTZ devices for the remote control of connected video cameras.
AXIS 240Q - Unit Connectors The I/O Terminal Connector This section describes the pinout and interface support provided 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 e.g. motion detection, event triggering, time lapse recording, alarm notification via email, image storage to FTP locations, etc. • Inputs - e.g. a push button.
AXIS 240Q - Unit Connectors Schematic Diagram - I/O Terminal Connector Switch Mode Power Supply 3.3V AXIS 240Q Video Server + o PS-K 9V o z 1 o GND 2 o e.g.
AXIS 240Q - Troubleshooting Troubleshooting Checking the Firmware Firmware is software that determines the functionality of the AXIS 240Q. One of your first actions when troubleshooting a problem should be to check the currently installed version. The latest version may contain a correction that fixes your particular problem. The current firmware version in your AXIS 240Q can be seen under Setup > Basic Configuration.
AXIS 240Q - Troubleshooting Emergency Recovery Procedure If power or the network connection to the AXIS 240Q 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 is found on the underside label on the product casing. 1.
AXIS 240Q - Troubleshooting Symptoms, Possible Causes and Remedial ActionsI Problems setting the IP address Using ARP/Ping - the IP address Restart the server and try again. Ensure also the ping length is set to 408. See or ARP and Ping must be set within two minutes in Windows on page 13, or ARP and Ping in UNIX/Linux on page 14. after power has been applied to the video server The video server is located on a different subnet.
AXIS 240Q - Troubleshooting Video Image Problems Image too dark or too light. Check that the termination dip switch for the video source is set to the correct position. See also the online help on Video Source Settings Black borders around the video image Adjust the X and/or Y offset, in the Video Source Settings. See the online help for information. Problems uploading own files There is only limited space available for the upload of your own files.
AXIS 240Q - Technical Specifications Technical Specifications Item Specification Model • AXIS 240Q: Four port video server Also available as Video Rack Solution Video compression • Motion-JPEG.
AXIS 240Q - Technical Specifications Item Specification Supported protocols • Motion JPEG streaming: HTTP. • Event notification: HTTP, TCP, SMTP. • Image upload: FTP, SMTP, HTTP. • Network control data: DHCP, UPnP, ARP, DNS, DynDNS3, NAT traversal, SOCKS, SNMP, NTP Security: SSL/TLS*, HTTPS. • More information on protocol usage is available at: www.axis.com. • This product includes software developed by the Open SSL Project for use in the Open SSL Tool kit (www.openssl.org).
AXIS 240Q - Technical Specifications General performance considerations When setting up your system, it is important to consider how various settings and situations will affect performance. Some factors affect the amount of bandwidth (the bit rate) required, others can affect the frame rate, and some will affect both. If the load on the CPU reaches its maximum, this will also affect the frame rate.
AXIS 240Q - Technical Specifications Frame rates - Motion JPEG The AXIS 240Q has a frame rate of up to 6/5 fps per channel for all resolutions. Bandwidth As there are many factors affecting bandwidth, it is very difficult to predict the required amounts.
AXIS 240Q - Glossary Glossary Active Speaker - a speaker 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 documents, and ActiveX scripts. ActiveX controls are often downloaded and installed automatically as required.
AXIS 240Q - 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 is measured diagonally and can be 1/4", 1/3", 1/2" or 2/3". CCTV (Closed Circuit Television) - A CCTV system is a closed/private video system, usually constructed with coaxial cabling, and used within a single building/group of buildings.
AXIS 240Q - Glossary Dome network camera - A remotely controllable camera mounted in a special housing, characterized by 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 excellent coverage of large areas. Duplex - See Full-duplex. DVD (Digital Versatile Disc) - An optic disc with the same physical size as a CD, but with significantly greater storage capacity.
AXIS 240Q - Glossary type of images (I-VOP's or P-VOP's) included in the stream, and their internal order. See also GOV and VOP. Half-duplex - See Full-duplex. connection between the communication end-points, packets can be sent via different routes and do not need to arrive at the destination in the correct order. HTML (Hypertext Markup Language) - HTML is the set of "markup" symbols or codes inserted in a file intended for display in web browser.
AXIS 240Q - Glossary JPEG (Joint Photographic 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 use. As the lowest compression (i.e. the highest quality) results in the largest file, there is a trade-off between image quality and file size.
AXIS 240Q - Glossary NVR (Network Video Recorder) - A dedicated Network Video Recorder (NVR) can be used to gather data streams from remote network cameras and video servers and store them on a hard disk. An NVR can be a standard networked PC, or a dedicated video recording hard disk server with its own software application. OEM (Original Equipment Manufacturer) - This is a designation for companies that manufacture equipment that is then marketed and sold to other companies under their own names.
AXIS 240Q - Glossary RS-232 - A long-established standard that describes the physical interface and protocol for low-speed serial data communication between devices. This is the interface that e.g. a computer uses to talk to and exchange data with a modem and other serial devices. RS-422 - A serial data communication protocol that specifies 4-wire, full-duplex, differential line, multi-drop communications.
AXIS 240Q - Glossary identity of the server. Subnet & subnet mask - A subnet is an identifiably separate part of an organization's network. Typically, a subnet may represent all the machines at one geographic location, in one building, or on the same local area network (LAN). Having an organization's network divided into subnets allows it to be connected to the Internet with a single shared network address.
AXIS 240Q - Glossary 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 Internet in a secure way. One common use for VPN is for connecting a remote computer to the corporate network, via e.g. a direct phone line or via the Internet.
AXIS 240Q - Index 67 Index D-Sub connector 47 E A Accessing the video server 8 Action 22 Action buttons 9, 20 Active/Inactive 9 Active/Inactive (output buttons) 20 Administrators 12 Advanced TCP/IP settings 40 Alarm 22, 25, 48 Allowed IP addresses 34 AMC 10 Anonymous viewing 34 ARP/Ping 39 Auxiliary power 48 AXIS Internet Dynamic DNS Service 39 B Backup 44 Bandwidth 57 Buffers 24 C CGI links 20, 30 Click-in-image 30 Clients/viewers 11 COM ports 49 Connectors 47 Control button 6, 46 Customize 19 D
AXIS 240Q - Index N Network settings 38 NTP server 38 O Operators 34 Output buttons 9, 20 Own home page 19 Own web files 19 P Pan Tilt Zoom 49 Pan/Tilt/Zoom 29 Performance 56 Pinout 43 Pinout - I/O connectors 48 Port status 26 Post-trigger buffer 24 Power adapter 7 Preset positions 31 Pre-trigger buffer 24 PTZ 27 PTZ commands 20, 30 PTZ control queue 32 Pulse 9 Pulse (outputs) 20 Q QoS 41 Quad stream 9 R Recovery 51 Referrals 34 Relative and absolute PTZ drivers 29 Restart 43 Restore 43 RS-232 s
