Video surveillance. Video surveillance and security "Chestnut." Intercom and Kiev, Ukraine. Installation.

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Most popular network technologies has stimulated the development of equipment to transfer video over the network. The main factors influencing the transmission of video - is the capacity of the network itself, as well as the degree of compression of video. At the present time Several types of equipment for the construction of transmission systems Video on IP. The basic and most frequently used are IP-camera and IP-video (or encoder).

� IP-camera - camera with built-opportunity Video images for digitization of analog video and transfer them through the Ethernet-port.
� video server - a device that provides analog coding signals from video cameras (analog cameras still widely used) in the digital video signal, compress it and transfer video via the Ethernet-port.

Generally speaking, IP-camera - it is an apparatus with a video embedded. Nevertheless, the analog camera is available and cheap, and for this reason that the build server in the IP - camera - is to increase its value. Therefore, many system integrators prefer to use video in conjunction with conventional analogue cameras to obtain a greater application flexibility and scalability of their solutions. most common are relatively inexpensive video with MJPEG-encoded. MJPEG-video released many manufacturers, usually support the simultaneous connection of multiple analog cameras (one, two, four) and have a 10/100 Mb / c interface is Ethernet. Thus, users can obtain access to any video camera connected to video servers from anywhere at any time via Ethernet or internetset. video usually has a built web server, providing users with complete control and monitoring cameras, and video. In addition, the server is built, functions such as VMD (videoobnaruzhenie motion), PTZ camera control and serial View images (before, during during and after the event). Pictures obtained using VMD, or PTZ, may be transferred e-mail or FTP users. MJPEG-video normally provide transfer up to 25 frames in the standard PAL 352h288 size or up to 8 frames size 704h576. In the last time the market began to appear New IP-video server that supports MPEG-4 hardware compression video. Thanks to adaptive compression significantly reduces bandwidth requirements for communication channels that allows you to create a system video with synchronized video and audio. C advent market IP-video no longer need to build networks of coaxial cable for video transmission. As the existing infrastructure used by IP-network, reduced labor and cost of installing the system.

1.

XTR-794 T - XD Vision

4-channel web server; permission D1 (704x576); MPEG4; motion detection, 2 audio, 2 alarming sign; RS485; compatible FASTRAX

Price: $ 990.00

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2.

XTR-791 T - XD Vision

1-channel web server; permission D1 (704x576); MPEG4; motion detection, 2 audio, 2 alarming sign; RS485; compatible FASTRAX

Price: $ 690.00

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3.

XTR-3412FX22DN-LAN - XD Vision

Day / Night Color IP Camera with autofocus, matrix Sony 1 / 4 "CCD; IR filter, the resolution 480 TVL; 30 fps VGA permission to MPEG4; minimum illumination 0.5 / 0.05 Lux color / black & white F1.6; 0.001 Low shutter ; optical 22X, digital 11X approximation; OSD control menu available; power 12VDC; wide dynamic range; PIP numerical approximation; available RS-232 / RS-485 control, remote control / monitoring; E-mail Notification

Price: $ 1,190.00

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4.

ITR-43DVF-DN-LAN - XD Vision

Day / Night IP Color; matrix of 1 / 3 "Sony Super HAD CCD; permission 540 Tvl; minimum illumination of 0,5 Lux Color / 0,04 Lux B / W, IR filter, the resolution D1 (704x576 PAL); 30 fps VGA permission to MPEG4; discovery motion, before / after the event, food 24VAC/12VDC; SVHS output, external sensor

Price: $ 790.00

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