j62056 is a library that can be used to implement a j62056-21 mode C master/client that reads meters.
'org.openmuc:j62056:1.2'
<dependency>
<groupId>org.openmuc</groupId>
<artifactId>j62056</artifactId>
<version>1.2</version>
</dependency>
<dependency org="org.openmuc" name="j62056" rev="1.2"/>
"org.openmuc", "j62056", "1.2"