ser2net.yaml for dsmr4 protocol

Instructions ser2net dsmr4

sudo apt-get update -y
sudo apt-get install -y ser2net
sudo apt-get install -y cu 
sudo cp /etc/ser2net.yaml /etc/ser2net.yaml.bak

[test]
cu -l /dev/ttyUSB0 -s 115200 --parity=none -E q
[exit]
q.

curl -Lo /tmp/ser2net.yaml "https://gist.githubusercontent.com/wardbeyens/28521e456fa1617cb455118027f09ed1/raw/0cf931bbd6447e94cdffb8e0c463bf0509faf2af/ser2net.yaml"

cat /tmp/ser2net.yaml
sudo chmod 775 /tmp/ser2net.yaml

sudo mv /tmp/ser2net.yaml /etc/ser2net.yaml
sudo systemctl restart ser2net.service

sudo systemctl status ser2net.service

LOCALIP=$(ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1')
echo "${LOCALIP}"

sudo apt-get install telnet -y
telnet $LOCALIP 20202

ser2net.yaml

%YAML 1.1
---
define: &banner \r\nser2net port \p device \d [\B] (Debian GNU/Linux)\r\n\r\n

connection: &con01
  accepter: tcp,20202
  connector: serialdev,/dev/ttyUSB0,115200n81,local
  enable: on
  options:
    max-connections: 3
    kickolduser: true
    telnet-brk-on-sync: true