Hi, > I’m a little bit lost. Can you provide some more context? Which class / > package are you referring to?
I’ve just checked in some unit tests that should make it clearer take a look at this file [1] for instance. Thanks, Justin PS I currently only have a few hours of slow internet access a day so may be slow in responding. PPS And yes those files I just checked in need Apache headers so I'll fix that. 1. https://github.com/apache/incubator-plc4x/blob/master/plc4j/protocols/s7/src/test/java/org/apache/plc4x/java/isotp/netty/model/tpdus/IsotpModelTests.java
