GV57MG User Manual
TRACGV57MGUM001
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3.2 UART Interface
There is a UART interface on GV57MG used to connect to
GV57MG UART Cable
0.5M
. UART is used for configuration. The UART interface and USB interface use the
same physical interface.
3.3 USB Interface
GV57MG has one USB interface which uses the same physical interface as UART
interface. It is used for firmware download.