Model DS-7204HVI-S/M
Video compression H.264
Preview resolution PAL: 704×576 ; NTSC:
704×480
VGA: 1024*768
Playback resolution QCIF/CIF/2CIF/DCIF/4CIF
Video input 4 channels, BNC (1.0Vp-p, 75Ω)
Video output 1 channel, BNC (1.0Vp-p, 75Ω)
Video spot output 1 channel, BNC (1.0Vp-p, 75Ω)
Frame rate (per
channel)
4CIF: 6fps
DCIF: 12fps
2CIF: 15fps
CIF: 25(P)/30(N) fps
Audio compression OggVorbis, 16Kbps
Audio input 1 channel, RCA (2.0~2.4Vp-p, 1KΩ)
Audio output 1 channel, RCA (2.0~2.4Vp-p, 600Ω)
Stream type Video/Video&Audio
Support dual stream Yes
Bit rate 32Kbps ~ 2Mbps, user-defined
HDD interface 1 SATA interface can support 1 SATA HDD up to2000GB
Communication
interface
1 RJ45 10M/100M self-adaptive Ethernet Interface
1 RS-485 interface
USB interface 1 USB interface can support USB disk, USB HDD, USB
CD-RW & DVD-RW.
VGA interface 1 VGA interface can support resolution:
1024*768/60Hz
External alarm in 4
Relay output 1
Voice talk 1 channel,(Using Audio IN)
Support Buzzer Yes
Power supply 12VDC
Power consumption ≤40W (without HDD or DVD-R/W)
Operating temperature
-10℃ ~ +55℃
Relative humidity 10% ~ 90%
Size 315(W)*230(D)*45 mm(H)
Weight ≤2.8Kg (without HDD or DVD-R/W)