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Xenon is a rising star in the field of security video equipment. Xenon offers a complete range of high security cameras, High-quality recorders digital video recorder (DVR) and accessories. The PH4104AV is the 4 channel version of their DVR with H.264 encoding, which increases considerably the efficiency of data storage (H.264 video is also used with the Blu-Ray DVD). Models with 8 channels and 16 are also available (PH4108AV, PH4116AV). The specifications for the 8 and 16 channel models are similar to 4-channel system, but multiply. The DVR includes support for Either HDD Internal SATA (max. 1000 GB) and / or recordable CD drive.

Product design:

Xenon DVR design includes a microprocessor (ARM7) running a uClinux (pronounced "you see Linux) operating system. The firmware is burned in flash memory, making it more stable and reliable than the software that runs from the hard drive standard. Software management of large facilities with multiple DVR systems, called "Centralized Management System (CMS) is part of the package. Data can be archived by the network or USB (1.1).

The technology behind the video processing comes DVR Techwell, a corporation of California, San Jose, highly integrated designs the video processing ICs. The TW2700 is a RISC architecture microcontroller capable of real-time, 4-channel compression for security applications. You can compress / decompress data 4 sized video streams simultaneously. TW2700 several modules are used for 8 and 16 channel systems.

DVR Features:

These systems 4 channels can be played simultaneously, which makes testing video much more productive. For example, if you look at the video of the hotel, we can synchronize 4 channel playback to see a hallway, an elevator exit hall home, and finally the car. This way could control the travel of an individual through the installation.

A VGA output connect a local monitor is included. Reading and recording speed (NTSC) is 120 cells per second (fps). Many schools do not need a local monitor, except at startup and troubleshooting, as most functions are accessible via a network.

Xenon systems are equipped a sophisticated analysis of motion detection video image. The software allows you to define active sensing region of the viewport and sensitivity. Software video image analysis to determine the situation <i> called video analytics </ i>. If, for example, a surveillance camera is a piece at a time of day when it should not work if the camera detects scene changes, the DVR can automatically send an e-mail and / or close a relay that can be used to activate an alarm. active recording motion detection is also possible, greatly increasing storage efficiency in some environments.

The family of DVR is entirely web-enabled, you to consult the data via Internet Explorer (currently Firefox and Safari are not capable of ActiveX Compatibility prevention) or web-enabled mobile device. Xenon interface allows control of most functions of a DVR, unlike a DVR alternative interfaces that allow tracking of data, often not even leave your data backup on the network.

The Negatives:

The documentation for the Xenon's system, which was obviously written by someone for whom English is a second language, and graphical user interface graphic looks a bit uncomfortable. An evaluation units reached the setup instructions for China, and demanded support group for xenon correct. However, the negatives are easily outweighed by the positives. Xenon appears competent support when necessary. It is a system high quality at a reasonable price.

DVR technology has improved significantly in recent years. A DVR that only recently were regarded as high technology and "state of the art" today seems surprisingly primitive. Prices are also much more reasonable.

Xenon 4-Channel DVR PH4104AV Product Description

CPU: ARM 7

Video Codec: Techwell TW2700

OS: uClinux

Interface: Operation GUIs with infrared driver, keyboard and mouse

Video Input: 4X (PAL / NTSC), BNC

Video Output: Composite video (1V PP, BNC) and 1 x SVGA

Audio Input: 4X Audio, BNC

Audio Output: 1x Audio Output, BNC

Video presentation: 1, landfills 4 Screen

Video Standard: PAL, NTSC

System resources: 4 Channel 4 Channel Recording Playback, 4 simultaneous networking channels. Real Time Pentaplex (recording, playing, Live, Red)

Motion Detection: 16 x 12 grids per channel with 5 levels of span

Recording Method: Scheduled, motion detection, alarm, manual

CMS Management System Central Support

Compression Type: Video alone or in combination with audio-video

Video codec: H.264 Baseline Profile, L3.1

Video compression rates: 2Mbps, 4Mbps, adjustable

Audio Codec: OggVorbis, 16 Kbps

Audio compression rate: 64 Kbps

Video quality: 30fps

Storage Local: Attendance: 1000 GB SATA HDD, CD-R / W

Backup: Support for USB Flash, USB HDD, USB CDRW

Network protocol: TCP / IP, UDP, PPPoE, RTSP, RTP, SMTP, HTTP

Alarm input: 4

Alarm output: 2, E-mail

LAN port 1 x RJ45 10/100M

Port USB: 1 x USB 1.1

Pan / Tilt Control Port: 1 x RS485

Power: 110V-240V, 50Hz-60Hz

Consumption: 28W

Operating temperature:-10C-55C

Humidity: 10-90%

About the Author:

Brian Bradshaw is a Video Security System Specialist in North Texas. For more information:
B.V. Technology Video Surveillance Systems

Article Source: ArticlesBase.com – Xenon PH4104AV DVR Product Review

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