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a: If a speed is acquired from GPS, requiring normal GPS signal, the alarm feature can be enabled by
simply configuring settings via Setup menu -> Alarm -> Speed.
b: If a speed is acquired from the vehicle, the over-speed alarm feature can be enabled by connecting it to
the speed pulse sensor. The pulse sensor is connected to SPEED-A and SPEED-B cables of the device, as
shown in the following figure:
C: Alarm output cable
This device provides one alarm outputs and uses 200MA to drive external alarm units. If you expect to
drive a device with higher power, connect an external electrical appliance, as shown in the following figure.
Step 11: RS232/RS485 device connection
This product provides two RS232 serial ports, to which a user can connect the desired sensor, OBD and
24V
MDVR MDVR Alarm
Output