Hardware manual

UART0 : Reserved for the internal debugging purpose with RS232C.
UART1 : RS485 port
UART2 : Reserved for the communication of camera OSD control
IMPORTANT : Only UART1 is available for users but UART0 and UART2 are reserved for
internal communication purpose which are not opened to users.
Note
i
If you want the RS232C, please use the 485-232 converter.
Refer to the section 4.6.
IO CONFIGURATION for
the explanation of these
setting.