Serial nr: 142162

Issue solved.
Contrary to the sticker on the side of the unit the password turns out to be the old raspberry password. I thought that was abandoned. Hope this might help others.

Today I received our first brand new RevPi Connect 5.

Unfortunately every attempt to log in to the system refuses the password:
with direct monitor+keyboard
on webinterface at port 41443 on the ip address mentioned on monitor. I got a beautiful webinterface opening screen, so network is working ...