Video input: 8 channels PAL, NTSC (BNC port, 1VP-P, 75ohm)
Video output: 8 channels PAL, NTSC A composite video output(BNC port, 1VP-P, 75ohm)
One VGA output(frequency: 60Hz, resolution ratio: 1024*768)
Parameters of audio
Audio input: 8 channels audio input(BNC port, 10K, Vp-p=2.0V LINE)
Audio output: 8 audio output(BNC port, 10K, Vp-p=2.0V LINE)
Video compression H. 264 D1 (PAL 704*576 NTSC 704*480); Audio compression G. 722
Image resolution ratio: Real-time display (PAL 704*576 NTSC 704*480), VGA display (1024*768)
Audio sampling ratio: 8K sampling point per second, 16 bit per sampling point
Operating system: Embedded real-time operating system (RTOS)
Hard Disk: Support 4*SATA
Alarm ports: Alarm input: 8 alarm input/Alarm output: 4 alarm output
IO port: RS-485/RS-232