PX4 RS232 Serial Interface

8-pin miniature DIN connector (female)

Serial Pinout
Pin No. Symbol Signal
Signal Name
1 GND - Ground
2 TXD OUT Transmitted data
3 RXD IN Recieve data
4 RTS OUT Request to send
5 CTS IN Clear to send
6 DSR IN Data set ready
7 DTR OUT Data terminal ready
8 DCD IN Data carried detect
E CGND - Frame Ground

All signal directions as viewed from PX-4

To connect use Maplins order code JX06G 8pin miniature DIN line plug.