
BACK PANEL ...continued
Back Panel and connection outlet:
1Ventilation fan
2AC220V power in
3Power switch
4Alert signal in/out/ 
5Audio input: provide 4 channels audio input
6Audio output: 2 channels for audio out, left side for replay output, right side for the surveillance output
7Video output: 2 channels for video signal output, channel 1 for surveillance output, channel 2 for mixed video output
8Video input: Channel 1~4 for video signal input
9VGA: output with external computer monitor, only for Playback screen or on time recording screen, not for surveillance review
Method: Press[F2]in remote control after key in password,
then switch the screen from display output with monitor screen
10
11Ventilation fan for main unit
MPEG4 Alarm connector pin definition:
Pin definition:  | 
  | 
  | 
  | 
  | 
  | |
PIN | DEF | FUNCTION | PIN  | 
  | DEF  | FUNCTION  | 
1  | IN0  | .Channel 1 Alarm input  | 16  | . . . .4COM  | .Channel 2 Alarm output  | |
2  | IN1  | .Channel 2 Alarm input  | 17  | . . . .4NO  | 
  | |
3  | IN2  | .Channel 3 Alarm input  | 18  | . . . .4NC  | 
  | |
4  | IN3  | .Channel 4 Alarm input  | 19  | . . . .COM  | 
  | |
5  | IN4  | .NC  | 20  | . . . .NO  | 
  | |
6  | IN5  | .NC  | 21  | . . . .NC  | .Power fault report output  | |
7  | IN6  | .NC  | 22  | . . . .COM  | 
  | |
8  | IN7  | .NC  | 23  | . . . .NO  | 
  | |
9  | OUT0  | .Channel 3 Alarm output  | 24  | . . . .NC  | .Fault report output  | |
10  | OUT1  | .Channel 4 Alarm output  | 25  | . . . .485A  | .485A  | |
11  | OUT2  | 
  | 26  | . . . .485B  | .485B  | |
12  | OUT3  | 
  | GND  | .Ground  | ||
13  | 3COM . . . .  | .Channel 1 Alarm output  | +12V  | .+12V  | ||
143NO
153NC