Hikvision Technical Manual 
    
©2006 
–
 2011 by HIKVISION. All rights reserved.           
Specifications 
Model  DS-7208HVI-ST 
Video/Audio 
input 
Video compression  H.264 
Analog video input 
8-ch, BNC connector (1.0 Vp-p, 75 Ω); 
PAL / NTSC adaptive 
Audio compression  G.711 
Audio input  4-ch, RCA connector (2 Vp-p, 1 kΩ) 
Voice talk input 
1-ch, RCA (2.0 Vp-p, 1 kΩ
)
   
VGA output  1-ch, resolution: 1024 × 768/60 Hz 
CVBS output 
2-ch, BNC connector (1.0 Vp-p, 75 Ω); 
Resolution: PAL: 704 × 576,  
NTSC: 704 × 480  
Audio output  1-ch, RCA connector (Linear, 1 kΩ) 
Video/Audio 
output 
Recording 
resolution 
4CIF / 2CIF / CIF / QCIF      
Frame rate 
4CIF / 2CIF: 8 fps 
CIF / QCIF: 25 fps (P) / 30 fps (N)  
Video bit rate 
32 kbps ~ 2048 kbps, or user-defined 
(Max. 3072 kbps)  
Stream type  Video/ Video & Audio
 
Audio bit rate   64kbps   
Dual stream  
Support  
Synchronous 
playback 
8-ch 
 
Hard disk 
Type  2 SATA interfaces   
Capacity  Up to 2TB capacity for each interface   
External 
interface 
Network interface 
1, RJ45 10 M / 100 M adaptive Ethernet 
interface 
Serial interface  1 RS-485 interface, 1 RS-232 interface 
USB interface  2, USB 2.0 
Alarm in  8 
Alarm out  4 
Others 
Power supply  12 VDC  
Consumption  ≤10 W (without hard disk or DVD-R/W) 
Working 
temperature 
-10 
℃
 ~ +55 
℃
 
Working humidity  10% ~ 90% 
Chassis 
19-inch  standard  rack-mounted  1U 
chassis 
Dimensions   
(W x D x H) 
445× 45 ×290 mm 
Weight  ≤4 kg (without hard disk or DVD-R/W)