Paul_KD7HB:
Lots of hits on DLMS protocol. Want to find the DLMD Users Association blue book and green book. I downloaded a PDF of excerpts from the Blue Book. There seems to be a security protocol you must pass before accessing much on the machine. Which is not surprising. This is really what Russian hackers would love to play around in!Can't be of much more help. Sorry.
Paul
Thanks @Paul_KD7HB
I hope to find any resource
If you have any PDF please refer to