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What to cover
- The 16 digital inputs and 4 relay outputs — electrical ratings and typical wiring diagrams.
- Powering the module (24 VDC) and network cable to the site switch.
- MQTT credentials: baked at build time into firmware (
mqtt_auth.h). Field techs do not type passwords.
- Firmware OTA update from the cloud app.
- Pairing with the XCore at the site: how the controller discovers the module.
- Mapping inputs to zones in the cloud app.
- Testing: shorting an input and watching the state tile change.
- LED behaviour and what each pattern means.
