Do the CE Series Switches Support Overtemperature Protection

Created: Jul 29, 2019 09:49:16Latest reply: Jul 29, 2019 09:49:41 33 1 0 0
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Do the CE Series Switches Support Overtemperature Protection?

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DCN_Documentation
Official Created Jul 29, 2019 09:49:41 Helpful(0) Helpful(0)

The CE series switches support overtemperature protection. This function is implemented using the following mechanisms:

1.Card software monitoring:

Temperature sensors of cards monitor temperature of key chips and report the temperature data to the CMU. The CMU monitors card temperature and fan speeds in corresponding zones. Once the temperature of a card exceeds the fatal temperature threshold and the fan speed in the corresponding zone is abnormal, the monitoring system powers off the card forcibly. When the card temperature restores to the normal range, the monitoring system powers on the card.


2.Card hardware design:

Cards of CE series switches have temperature-sensitive hardware components to monitor real-time temperature in high-temperature zones. Once the temperature of a card exceeds the specified threshold, the card hardware shuts down power output so that the card temperature can drop to the normal range.


The CE12800&CE12800E series switches support both two protection mechanisms, whereas the CE8800&7800&6800&5800 series switches support only the first protection mechanism.
  • x
  • convention:

All Answers
DCN_Documentation
DCN_Documentation Official Created Jul 29, 2019 09:49:41 Helpful(0) Helpful(0)

The CE series switches support overtemperature protection. This function is implemented using the following mechanisms:

1.Card software monitoring:

Temperature sensors of cards monitor temperature of key chips and report the temperature data to the CMU. The CMU monitors card temperature and fan speeds in corresponding zones. Once the temperature of a card exceeds the fatal temperature threshold and the fan speed in the corresponding zone is abnormal, the monitoring system powers off the card forcibly. When the card temperature restores to the normal range, the monitoring system powers on the card.


2.Card hardware design:

Cards of CE series switches have temperature-sensitive hardware components to monitor real-time temperature in high-temperature zones. Once the temperature of a card exceeds the specified threshold, the card hardware shuts down power output so that the card temperature can drop to the normal range.


The CE12800&CE12800E series switches support both two protection mechanisms, whereas the CE8800&7800&6800&5800 series switches support only the first protection mechanism.
  • x
  • convention:

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