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What Happens to Wireless Sensor Data if Power to the Wireless Gateway is Off or Disrupted

Keywords: Power Outtage, Internet Connection


Summary:

What happens to the data from a wireless sensor network if the power to the MonnitLinkā„¢ Wireless Gateway is off or disrupted?



While a Monnit Wireless Gateway is off, no data is being collected and no notifications can be transmitted by the sensor. In short, the data is being discarded by the sensor. To avoid issues with power failures, Monnit sells a Cellular CDMA gateway that includes a battery backup which can last up to 24 hours. Monnit Wi-Fi sensors have the ability to log data internally in the case of a power outage that affects the Wi-Fi router's internet connection. When power is restored and the Wi-Fi router comes back online, all the Wi-Fi sensor information will be transmitted to the iMonnit software. (Note that Wi-Fi sensor internal storage is limited).

If a wireless gateway is unable to connect to the Internet but still has power, a limited amount of sensor data is stored on the gateway, and transmitted when Internet communications is reestablished.



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