Add A Fan To Provide Active Cooling - Digi XBee Cellular LTE Cat 1 User Manual

Embedded modem
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Hardware

Add a fan to provide active cooling

The XBee Cellular Modem can become hot if you use it in the maximum upload or download scenarios,
see
Heat
considerations. You can attach a fan to the device to provide active cooling.
If you attach a fan, use
1, which turns the fan on when the device gets above 70 °C and the cellular component is running, and
off below 65 °C.
Digi XBee Cellular LTE Cat 1 Embedded Modem User Guide
P1 (DIO11/PWM1 Configuration)

Add a fan to provide active cooling

to enable this functionality on pin 7. Set P1 to
37

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