Mobile Video Recorder Installation Guide
ACC
DC IN
+
-
Device
Automobile
Battery
Automobile Power Switch
Automobile Power System
Wiring of Device
Point of Connection
Negative Pole
Positive Pole
Figure 2-19
Scheduled Shutdown
2.7 Alarm Input/Output Connection
2.7.1 Alarm Input Connection
The device adopts the high/low-level electrical signals triggering (high level: 6 to 36 VDC; low level:
0 to 5 VDC) to realize alarm input. And in order to avoid error report caused by voltage fluctuation,
no alarm will be triggered by voltage ranging of 5 to 6 VDC.
Alarm 1
IO
Alarm 2
Alarm 3
Alarm 4
1
2
15
16
Figure 2-20
Alarm Input Connection
2.7.2 Alarm Output Connection
Follow the figure bellow to wire alarm output.
n and n# are a pair of alarm output. You can connect them with a relay alarm device. When the
voltage of connected alarm device exceeds the valid alarm output range, you need to connect a
relay to protect alarm output.
