ISTM-ALL MDVR-2012_Q2_Ver 1.0
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2) How to connect the signal for braking
When the driver stamps the brake vane, the MDVR device can detect the high power level. Otherwise it is low power level.
To connect the sensor
signal of the vehicle
by alarm box
Braking light
12V/24V
Brake Vane
Alarm outputs are power level output. For powerful equipments, external replay is necessary. The following diagram is for
how to wire the photoelectric alarm from alarm outputting.
24V/12V
Alarm output
2.8
How to Connect Alarm System
Alarm system (we say panic button as well) is one of the MDVR I/O sensor input function. This function is used to deal with
some emergency. For example if some accidents happens, the driver or the passengers can press the button to trigger the
alarm video to centre server by 3G network.
The alarm system is very typical for bus application. There are 2 different panic button used for bus. One is for driver and
another is for passenger.
1)
Driver alarm system installation
Generally the alarm system for driver is installed close to him for easy operation. The signal from MDVR to front part
driver panic button connected with 3*0.2 wires.
The installation steps are as bellow:
（
1
）
Drill a hole
with 65mm length, 35mm width beside the seat of the driver (This size of the hole is depends
on the size of the panic button)
（
2
）
Connect panic wire with connectors behind panic button.
（
3
）
Fix button with thread foaming.