Planet Technology DVR-470 ユーザーズマニュアル

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External Alarm Input 
4/8/16 Alarm in. 
Relay Output 
2/4 Alarm out 
AC Input 
100V~240VAC 
 
 
 
2.4 External 
Alarm 
In/Out 
Connection 
 
Alarm input port 
G (GND):Conenct the GND of sensor. 
1~16:Alarm input, support normal open/normal close. 
0:Reserved. 
 
Alarm output: 
1G~4G:4 relay output. 
 
 
Alarm output connection 
 
Please note the usage of jumper JJ1. If you use DC, either of connections is OK. We suggest 
you to use those DC under 12V, 1A. 
If you use AC, please open the jumper. There are 4 jumpers (JJ1, JJ2, JJ3 and JJ4) in DVR 
main board, corresponding with 4 alarm output. The default is closed. 
 
WarningIf you use AC input for relay output, please open the jumpers.