Operating system

Embedded Linux

Video compression standard

H.264

Resolution of coding and decoding

PAL: 176*144QCIF352*288CIF 704*576D1

NTSC: 160*120QCIF320*240CIF 640*480D1

Resolution of real time monitoring image 

PAL: 704*576(D1)

NTSC: 640*480(D1)

Video input

4-16-port  (NTSC/PAL system automatic identification)

BNC          (level: 1.0Vp-p, impedance: 75Ω)

Video output

VGA output

TV output: BNC figure         1.0Vp-p    75Ω

SPOT port output: BNC figure     1.0Vp-p    75Ω

Video frame rate

PAL: 0-25F/S     NTSC: 0-30F/S

Compression code rate of video

16Kbps-4096Kbps can be determined according to product

Compression standard of audio

G.726

Audio input

4-16-port  BNC socket 2Vp-p    impedance: 600Ω

Voice talking  input

1-port phone plug RCA socket    2Vp-p  600Ω

Audio  output

1-port phone plug RCA socket   linear output  600Ω

Hard disk

Support 4 built-in IDE figures and 8 hard disks

Network

RJ45

Cabinet dimension

Length * width * heightmm439 X 445 X 962U black computer case