MEITRACK T333 User Guide
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7 (Input 3)
White
Digital input 3 (positive trigger)
Connect to the vehicle ACC cable by default to detect the vehicle ACC status.
8 (AD Input 1)
Blue
Analog input 1 with 12-bit resolution and valid voltage 0
–
6.6 V
Connect to an external sensor, such as the fuel sensor.
9 (Fuel sensor input)
Blue
Analog input 2 with 12-bit resolution and valid voltage 0
–
6.6 V
The AD cable is connected to the white plug. The cable is connected to the A53
fuel sensor by default.
10 (Output 1)
Yellow
Output 1
Valid: low level (0 V)
Invalid: open collector
Maximum voltage for output open collector (invalid): 40 V
Maximum current for output low voltage (valid): 400 mA
Connect to an external relay to remotely cut off the vehicle fuel cable or engine
power supply.
11 (Output 2)
Yellow
Output 2
Valid: low level (0 V)
Invalid: open collector
Maximum voltage for output open collector (invalid): 40 V
Maximum current for output low voltage (valid): 400 mA
Connect to an external relay to remotely cut off the vehicle fuel cable or engine
power supply.
12 (Digital temperature
sensor or iButton input
port)
Yellow
TTL3.3V level
Connect to the A52 digital temperature sensor or iButton by default by using the
A61 sensor box.
Note: The DC or AC voltage that is greater than 3.3 V is not allowed. Otherwise,
the device may be damaged.
8.2.1
Power Cable/Ground Wire (Pin 1/2)
Connect the power cable (red) and ground wire (black) to the positive and negative charges of the vehicle battery respectively.
