FEATURE
Main features:
-Embedded Linux OS
-DaVinci DSP hardware compression
Compression function:
-H.264 video compression algorithm and each channel can be real time (PAL is 25 FPS)
-Support multi-zone motion detection
-Support mask function to mask sensitive area
-Support view tampering alarm function for spiteful camera block
-Support video signal loss alarm function
-Support position configurable OSD&LOGO
-Support both constant bit rate and variable frame rate
-Support dual stream and the sub stream can support CIF/QCIF compression resolution
Storage function:
-1 SATA interface for 1 HDD. The HDD can be supported 2Tb
-Support HDD S.M.A.R.T function
-Support FAT32 file system
-Support many record mode: all time record, motion detect record, external alarm record, motion & alarm record, motion alarm record, manual record
-Support cycle and non-cycle record mode
-Support USB flash disk, USB hard disk and USB CD/DVD for backup
Preview & Playback function:
-Support one composite video output and one spot video output
-DS 7204HI-V can support one VGA output
-Support playback fast, slow, pause, forward, backward, frame by frame, etc.
-Use define preview layout
-Support one channel playback
Network function:
-Support TCP, UTP, RTP, Multicast, DHCP, etc.
-Support ADSL (PPPoE) dialup function
-Remote parameters setup
-Remote playback, download the recorded files in DVR
-Remote upgrade DVR firmware
-Remote control PTZ
-Support Internet Explore for network control
-Remote get alarm information of DVR
Others:
-Support network voice talk
-Support PTZ local and remote control
-Support multi-lever user management
-Support local and remote search log function
-Automatically recovery from exceptions leads to high reliable
-Provide SDK and demo source code to shorten the application development time
SPECIFICATION
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MODEL
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DS-7204HVI-S
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Video Compression
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H.264
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Preview Resolution
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PAL: 704x576
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Playback Resolution
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QCIF, CIF, 2CIF, DCIF, 4CIF
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Video Input
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4 channels, BNC (1.0Vpp, 75Ω)
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Video Output
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1 channel, BNC (1.0Vpp, 75Ω)
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Video Spot Output
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1 channel, BNC (1.0Vpp, 75Ω)
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Frame Rate (per channel)
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4CIF: 6fps
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DCIF: 12fps
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2CIF: 12fps
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CIF: 25fps
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Audio Compression
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OggVorbis, 16Kbps
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Audio Input
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1 channel, RCA (2.0~2.4Vpp, 1KΩ)
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Audio Output
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1 channel, RCA (2.0~2.4Vpp, 600Ω)
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Stream Type
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Video, Video & Audio
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Support Dual Stream
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Yes
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Bit Rate
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32Kbps ~ 2Mbps, or user-defined (Max. 8Mbps)
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HDD Interface
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1 SATA interface can support 1 SATA HDD up to 2Tb
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Communication Interface
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1 RJ45 10M/100M adaptive Ethernet Interface
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1 RS-485 port (T+, T-, R+, R-)
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USB Interface
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1 USB2.0 interface can support USB stick, USB HDD, USB CD-RW & DVD-RW.
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VGA Interface
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1 VGA interface can support resolution: 1024x768/60Hz
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External Alarm In
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4
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Relay Output
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1
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Voice Talk
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1 channel (Using Audio IN)
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Support Buzzer
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Yes
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Power Supply
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12VDC
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Power Consumption
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20W (without HDD)
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Operating Temperature
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-10°C ~ +55°C
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Relative Humidity
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10% ~ 90%
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Size
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315(W)x230(D)x45(H)mm
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Weight
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≤2.8Kg (without HDD)
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+ DVR si NVR 
