User manual

84
Appendix D Specifications
Model
DS-7204HVI-S
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: 12fps
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/DVD-R/W.
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
≤20W (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)
PAL: 176×144(QCIF), 352×288(CIF), 704×288(2CIF), 528×384(DCIF), 704×576(4CIF);
NTSC: 176×120(QCIF), 352×240(CIF), 704×240(2CIF), 528×320(DCIF), 704×480(4CIF).