MEITRACK T400G TPMS Scheme User Guide
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Otherwise, the device may be damaged.
5.3
Installing the Tire Pressure Receiver
The tire pressure receiver is equipped with a 4-pin RS232 port. The T400G tracker's RS232 port is shown in the
following figure:
Pin No.
Color
Description (Tire Pressure Receiver)
1
Red
Power output
Output voltage: 5 V
2
Black
Ground wire
3
Green
RX (T400G receives data through the port)
4
White
TX (T400G sends data through the port)
Connect the tire pressure receiver to the T400G:
1. Plug the 8-pin port of the 8-pin to 4-pin cable into the T400G.
2. Plug the other port of the 8-pin to 4-pin cable into the tire pressure receiver.
Note: To make sure that the tire pressure receiver can work normally, the T400G must be connected to an external
power supply.
The wiring figure is as follows:
