[Unit] Description=Socat Serial Emulation for smd7 After=ql-netd.service [Service] ExecStart=/usrdata/socat-at-bridge/socat-armel-static -d -d pty,link=/dev/ttyIN2,raw,echo=0,group=20,perm=660 pty,link=/dev/ttyOUT2,raw,echo=1,group=20,perm=660 # Add a delay to prevent the clients from starting too early ExecStartPost=/bin/sleep 2s Restart=always RestartSec=1s [Install] WantedBy=multi-user.target