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Video format
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Supports NTSC or PAL
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Compression method
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MPEG-4
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Frame rate
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25fps (PAL), 30fps(NTSC), frame rate can be adjusted downward
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Audio compression method
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ISO-MPEG Audio Layer-3
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Video encoding resolution
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D1:704×576 for best performance, compatible with Half D1: 704×288 CIF: 352×288
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Average bandwidth consumption
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200 kbps with resolution 352×288 and 25fps
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Image latency
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less than 200ms (Lan)
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Image adjustment
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brightness,contrast,chroma,saturation and video quality adjustment
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Supported resolution
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PAL: 704×576,704×288,352×288
NTSC:704×480,704×240,352×240
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Performance
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Maximum frame rate:30fps, minimum network bandwidth consumption 32Kbps
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Trigger events and actions
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Trigger conditions: time/alarm input/motion detection/video lost; Actions: The output of the relay controls the external devices
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Recommended total users
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10
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IO control interface
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Transparent RS485
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Embedded Web service
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Support IE browsing, IE based configuration and upgrading
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Dynamic domain name
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Embedded dynamic domain name client, it can be configured to be second level domain name for the convenient usage of Dynamic IP users
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Video input
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1/2/4 channels, 1.0V(P-P),75Ω Composite, BNC, PAL/NTSC( model related)
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Audio input( optional)
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BNC interface, Microphone input or linear input (model related)
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Audio output
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BNC interface linear output
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Hardware
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Video/audio Processor: High performance DSP processor
Main CPU: High performance embedded MIPS processor
Operating system: real time embedded Linux operating system
ROM: 8M Bytes Flash ROM
RAM: 64M Bytes SDRAM
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Network interface
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10/100M
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Storage interface
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USB1.1,IDE(optional)
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Communication interface
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One RJ45 10/100M adaptive Ethernet interface, one RS232 interface, one RS485 interface, optional 802.11g ,CDMA and GPRS
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Storage interface
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USB1.1,IDE(optional)
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Alarm input
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4 switch input
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Alarm output
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4 relay output
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System requirement
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CPU: PⅢ or higher
Memory: 96M or higher
Monitor: 17inch with 1024x768 to gain the best video quality
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Security
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3 levels password protection
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Operation temperature
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5 ~60 ℃
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Humanity
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20 ~ 80%
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Input voltage
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DC12V /1A
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Power consumption
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Less than 5 W
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PCB Size
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220(W)mmx135(D)mm
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Device Size (w/o hard disk)
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263(W)mm*140(D)mm*44(H)mm
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Device Size with hard disk
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Standard 1U
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Weight(w/o hard disk)
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