I've tried with timeout 3s and 5s and the situation is the same.
I've also tried send example frame via Packet Sender and it works properly, ETHM-1 answered. So it looks like the command sent by LM is not properly.
I've also tried send example frame via Packet Sender and it works properly, ETHM-1 answered. So it looks like the command sent by LM is not properly.