[Unit] Description=Socat Serial Emulation for smd11 After=ql-netd.service [Service] ExecStart=/usrdata/at-telnet/socat-armel-static -d -d pty,link=/dev/ttyIN,raw,echo=0 pty,link=/dev/ttyOUT,raw,echo=1 # Add a delay to prevent the clients from starting too early ExecStartPost=/bin/sleep 2s Restart=always RestartSec=1s [Install] WantedBy=multi-user.target