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[Unit]
Description=Serial to TCP gateway.
Requires=network.target
After=network-online.target
Wants=network-online.target
[Service]
Environment=SERIAL_DEVICE=/dev/%i
Environment=PORT=2342
ExecStartPre=stty -F /dev/%i raw -echo -echoe -echok speed 9600
ExecStart=/usr/bin/serial2tcp
Restart=on-failure
RestartSec=1
StandardOutput=journal
StandardError=journa
[Install]
WantedBy=multi-user.target