# Annexures

[<mark style="color:blue;">Digital Input Functions</mark>](https://docs.influxtechnology.com/support_guides/rexgen-series-product-manuals/rexgen-air-product-manual/rexgen-air-product-manual/annexures/digital-input-function)

[<mark style="color:blue;">The Wake-Up Pin</mark>](https://docs.influxtechnology.com/support_guides/rexgen-series-product-manuals/rexgen-air-product-manual/rexgen-air-product-manual/annexures/the-wake-up-pin)

[<mark style="color:blue;">CAN Overview</mark>](https://docs.influxtechnology.com/support_guides/rexgen-series-product-manuals/rexgen-air-product-manual/rexgen-air-product-manual/annexures/can-overview)