I am working on the home automation project, where one building has indoor devices connected to the Zigbee networks with a separate Zigbee network for each room. I am using the Digi XBee S2C Zigbee module as ZC with some 3rd party devices as ZED.
I observe that, after power reset, ZC is open to join for a particular amount of time defined by the NJ command. It can cause a potential problem during commissioning when after a power outage, multiple Zigbee Coordinators are open to join in the range of particular ZED under commissioning.
How to avoid this situation? What configuration is required? I understand that it is possible to set NJ to 0 after commissioning, but it requires an additional manual step, which I want to avoid.