<pre class="workstation-terminal">
root@imx6qxelkdesk-mx6:~# stty -F /dev/ttymxc3 ttymxc1 115200 -echoroot@imx6qxelkdesk-mx6:~# cat /dev/ttymxc3 ttymxc1 &
[2] 555
root@imx6qxelkdesk-mx6:~# echo "Test loopback" > /dev/ttymxc3ttymxc1root@imx6qxelkdesk-mx6:~# Test loopback
</pre>