
140
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
DC 5V Out
Note:
To ensure the connection to the GV-VS12, the GPS RX must be connected to
the TX pin, and the GPS TX must be connected to the RX pin.