MC PMRL
Mobile Radio Router
MC Technologies GmbH, Kabelkamp 2, 30179 Hannover, Germany
Tel: +49 511 67 69 99-0, Website & Shop: www.mc-technologies.net, Email: [email protected]
16
8.5 SERIAL
This interface is intended for the connection of RS232 / RS485 applications.
RS232
DB9
DB9
connector
DB9 socket
Router socket
Pin
Signal
Signal
Pin
1
2
RXD
TXD
2
3
TXD
RXD
1
4
5
GND
GND
5
6
7
RTS
CTS
3
8
CTS
RTS
4
9
RS485
Router socket
Pin
Signal
1
2
RXD
3
TXD
4
5
GND
6
7
RTS
8
CTS
9
The RS485 interface can be addressed as /dev/ttymxc4 from the console.
Example: picocom -b 115200 /dev/ttymxc4
Now it is possible to communicate with the RS485 port. RX / TX is switched automatically.
Finally terminate picocom with Ctrl + a + x.
1
5
4
8
2
6
3
7
