What a huge learning curve...
I've spend so much time on this already, but i'll not give up..
Another discovery of the RN2483 Module:
"mac join abp" (with preconfigured keys) will not transmit anything to the gateway/server (a bug?)
"mac join otaa" (over the air activation) immediately transmits a packet to the gateway, if not replied on by the server, it will timeout with "denied", if a response is received (on the same frequency) it will display "accepted"
Tests done on iot.semtech.com , not sure if the TTN server handles OTAA yet.
Data reception in this mode also works. If i prepare a packet to be sent to the semtech server, it is received by the module, but only when it has just sent a packet itself.
I read that is the way it's supposed to work, as the receiver in the module is only listening to data at specific intervals after transmission of data.
Ah, finally!! Confirmed messages in this mode also work...
"mac tx cnf 1 010203" will send a packet, and will be ACKed by the gateway/server.
Btw, i'm using a simple usb SDR receiver to "see" if the module and gateway are doing something.