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Using Temperature Control on Supported Cradlepoint products

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Series 3: Using Temperature Control on Supported Cradlepoint products

Products Supported: IBR11x0, AER3100. Click here to identify your router.

Firmware Version: 5.4.x - for information on upgrading firmware, click here.

Firmware version 6.0 has been released and introduces a vastly improved GUI for all current Series 3 routers.  Cradlepoint has created new Knowledge Base articles with updated screen shots and instructions for the new GUI layout.  As a result, this article has received its final update.  To view the version of this Knowledge Base article for Firmware 6.0 and Later please click here.



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One feature of the Cradlepoint COR IBR11X0 and AER3100 product line is an internal hardware temperature sensor. This temperature sensor allows the router to monitor the router’s internal temperature, as well as monitoring the modem’s temperature. This functionality provides several options that can greatly assist the management of Cradlepoint devices in especially hot or cold environments.

Using Cradlepoint’s temperature control functionality requires a device that includes a hardware temperature sensor. At the time of this writing (July 2015) the Cradlepoint COR IBR1100 and IBR1150 and AER3100 devices include this feature. The temperature sensor is part of the router’s hardware and is always enabled.

Devices that include a temperature sensor will indicate on the “Status” -> “Dashboard” page the router’s current temperature (in Celsius) as well as the high and low temperatures observed over the previous 24 hours.

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If the router exceeds 80 degrees Celsius, the router will automatically shut down wireless (WiFi) functionality to attempt to bring the router back within threshold. If the router remains above the threshold, then the cellular modem will also be temporarily disabled. After the router’s temperature has decreased to 78 degrees Celsius, the router will re-enable the cellular and WiFi radios again.

Under no circumstance will the temperature sensor power the router off!

The temperature of the router and the modem and alert configuration options can be accessed at “System Settings” -> “Administration” -> “Temperature”.

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Temperature control functionality provides options for configuring alerts & logging for when the router temperature drops below a specified minimum temperature or exceeds a maximum specified temperature. The directions below show how to configure notification alerts for then the router has exceed the minimum or maximum specified temperatures.



Configuration Difficulty: Easy
  • Step 1: Log into the router’s Setup Page. For help with logging in please click here.
  • Step 2: Click on System Settings and then select Administration from the drop-down menu.
  • Step 3: Select Temperature from the left-side menu.
  • Step 4: Enter values for the “Minimum Temperature” and “Maximum Temperature” fields. The default minimum temperature is 10 degrees Celsius, and the default maximum temperature is 70 degrees Celsius.
  • Step 5: Click Apply to save your settings.

After making this change, as long as alerting is enabled, the router will send alerts if the router drops below the minimum temperature or above the maximum temperature.

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Published Date: 10/7/2015

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