How do I address an end device?

XBee & XBee Gateway
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1

I’m trying to make a TX request to an end device using two XBee 868 devices. When I use 64 bit addressing the TX status byte is ‘0x75 - Indirect message unrequested’. But I can’t figure out how to use 16 bit addressing because the 16 bit (MY) address of the end device seems to be 0xfffe.

I’m sending from the coordinator.

2

What is your API frame and have you use the API frame maker to check to see if it is valid?

3

For the record, the solution to this problem was to re-configure the radio that I had set as a coordinator as a normal node (end device if I remember right). So the network has no coordinator, but this is OK with 868 radios apparently.