4/8 channel MPEG4 DVR
Parameter 4 Channel 8 Channel
Model AST-DVR0404LB
AST-DVR0804LB
Processor PHILIPS TM1302 embedded microprocessor
Operation system Real-time operation system（PSOS）
Video input 4 Channel (NTSC/PAL) BNC（1.0VP- P ， 75Ω） 8 Channel (NTSC/PAL) BNC（1.0VP- P ， 75Ω）
Video output 1 Channel PAL/NTSC，BNC（1.0VP- P ， 75Ω）video signal or VGA display（optional connection equipment）
Audio input 4 Channel 200-3000mv10KΩ(RCA) 8 Channel 200-3000mv10KΩ(RCA)
Audio output 1 Channel output 3000mv 1KΩ(RCA)
Video display 1，4 window display 1,4,8,9 window display
Video standard NTSC（525 line, 60f/s），PAL（625 line, 50f/s）
System resource Real-time recording, one channel playback and network real-time monitor simultaneously
Image resolution Real-time monitor 704×576, playback 352×288, VGA output 720×576
Motion detection Area setting: 192 detection areas on the screen; detection sense setting: 3 levels detection sense for each area
Video compression MPEG-4 CBR (fixed frame rate) or VBR (variable frame rate)
Audio compression G.729
Image compression rate 704×576 4CIF format, 352×288CIF format, 176×144QCIF format
Video recording speed MPEG-4 real-time mode：1-30f/s adjustable (NTSC) or 1-25f/s adjustable (PAL)
Records back-up Models with RW installed with CD-RW inside and USB port
Image quality 6 levels selectable
Hard disk Inside equipped 4 IDE ports, able to expand with external HD case
HD space used Audio: 14.4M byte/hour; video: 60～460M byte/hour
Alarm input 8 channel voltage alarm input（＋5～＋15V D. C. Needed for the alarm input）
Alarm output 3 channels output, output in open/close contact（the third channel is controllable ＋12V output）
Alarm relay 30VDC 1A, 125VAC 0.5A（relay output）
Network connection RJ45 10M/100M Ethernet connection
Pan-tilt control RS485, RS232
Power 110VAC/220VAC
Power consumption 60W 65W
Working temperature －10℃－＋55℃
Working humidity －10℅－90℅
Barometric pressure 86kpa－106kpa
Size 2U standard industrial case，441 (breadth)x430 (depth)x89mm (height)
Weight 10.5KG
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