AWS/MQTT Topics

When the device is connected to AWS/MQTT server, the bi-directional communication uses different topics.

Topic Content

em/[SN]/status

Receive periodic reports, threshold alarms, etc.

em/[SN]/cmd/update

Send downlink commands

em/[SN]/cmd/update/accepted

Receive success ACK of downlink commands

Note: users need to send downlink command to enable ACK feature first.