I posted this in the X-CTU forum, but I got no response there, maybe this is a more suitable forum.
I have a local set to ZNET 2.5 coordinator AT ver 1047 and remote set to ZNET 2.5 router/end device AT ver 1247.
under normal operation The connection is transparent and working OK.
ATND gives me this:
However, when I use the discover option in the remote configuration tab, nothing happens.