SENA ProBee-ZE20S-SEME - Manual (Page 40)

ProBee-ZE20S-SExx User Guide Rev 1.8 40
Table.
Key Establishment process can be triggered by running the AT commands as below.
AT+CBKESTART=addr,ep
,where addr is short or long address of destination node and ep is endpoint of destination node.
AT+CBKEPARTNER=addr,ep
,where addr is short or long address of destination node and ep is endpoint of destination node.
AT+CBKESTART is used to initiate Key Establishment between Trust Center(coordinator) and the other
node(router or end-device). AT+CBKEPARTNER is used to exchange partner link key between non-Trust
Center nodes(router or end-device).
Figure 3-2 shows how to use Key Establishment commands in each nodes.
Figure 3-2 Key Establishment diagram
3.9 Frequency Agility
Frequency Agility refers to the function to shift operating channel to avoid interference. If frequency agility
function of coordinator is enabled, the coordinator plays a role in network manager. It monitors
communication failures, decides to changes the operating channel and send message to indicate the
channel change. Other nodes in the network move to the designated channel by responding to the
message.
The frequency agility needs to be set up only for the coordinator.
ATS71=n, where n is 0 = disabled, 1 = enabled.