Final answer:
You know the gateway is connected to the Zio patch when the indicator light on the gateway turns green and remains solid. Alternatively, you can check the device settings on the connected gateway.
Step-by-step explanation:
Upon activation, you know the gateway is connected to the Zio patch when the indicator light on the gateway turns green and remains solid. This indicates a successful connection between the gateway and the Zio patch.
Alternatively, you can check the device settings on the connected gateway to see if the Zio patch is listed as a connected device.