144
9.3.2 RS-232 Terminal Block
The RS-232 terminal block on GV-VS12 is mainly used for the connection to a GPS
module.
TX RX G 5V
RS232
Figure 9-5
Pin Function
TX GPS RX (Receive)
RX GPS TX (Transmit)
G Ground
5V ut DC 5V O
Note: To ensure t n to the GV-VS12, the GPS RX must be connected to he connectio
the TX pin, and the GPS TX must be connected to the RX pin.
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