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User Manual
DP02U-4K6G
RS232 Transmission
DP02U-4K6G supports RS232 transmission via a 3.5mm connector. If your RS232 device uses a DB9
connector, you will need a DB9 to 3.5mm adapter cable to connect the device to Tx and Rx.
RS232
Definition
DP02U-4K6G has 3.5mm for RS232 transmission. See the pictures and tables below for detailed
connections.
RS232(DB9 Female)
3.5 mm Phone Jack
Pin
Definition
Pin
Definition
Pin 2
TX
Pin 1
RX
Pin 3
RX
Pin 2
TX
Pin 5
GND
Pin 3
GND
RS232(DB9 Male)
3.5 mm Phone Jack
Pin
Definition
Pin
Definition
Pin 2
RX
Pin 1
RX
Pin 3
TX
Pin 2
TX
Pin 5
GND
Pin 3
GND